In hypothesis testing, the tentative assumption about the population parameter is.
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Reason: It’s right trust me
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this is python and please follow the code i gave to you. please do not change any code just fill the code up. start at ### start your code ### and end by ### end your code ### introduction: get codes from the tree obtain the huffman codes for each character in the leaf nodes of the merged tree. the returned codes are stored in a dict object codes, whose key
Question: This Is Python And Please Follow The Code I Gave To You. Please Do Not Change Any Code Just Fill The Code Up. Start At ### START YOUR CODE ### And End By ### END YOUR CODE ### Introduction: Get Codes From The Tree Obtain The Huffman Codes For Each Character In The Leaf Nodes Of The Merged Tree. The Returned Codes Are Stored In A Dict Object Codes, Whose Key
This is python and please follow the code I gave to you. Please do not change any code just fill the code up. Start at ### START YOUR CODE ### and end by ### END YOUR CODE ###
Introduction: Get codes from the tree
Obtain the Huffman codes for each character in the leaf nodes of the merged tree. The returned codes are stored in a dict object codes, whose key (str) and value (str) are the character and code, respectively.
make_codes_helper() is a recursive function that takes a tree node, codes, and current_code as inputs. current_code is a str object that records the code for the current node (which can be an internal node). The function needs be called on the left child and right child nodes recursively. For the left child call, current_code needs increment by appending a "0", because this is what the left branch means; and append an "1" for the right child call.
CODE:
import heapq
from collections import Counter
def make_codes(tree):
codes = {}
### START YOUR CODE ###
root = None # Get the root node
current_code = None # Initialize the current code
make_codes_helper(None, None, None) # initial call on the root node
### END YOUR CODE ###
return codes
def make_codes_helper(node, codes, current_code):
if(node == None):
### START YOUR CODE ###
pass # What should you return if the node is empty?
### END YOUR CODE ###
if(node.char != None):
### START YOUR CODE ###
pass # For leaf node, copy the current code to the correct position in codes
### END YOUR CODE ###
### START YOUR CODE ###
pass # Make a recursive call to the left child node, with the updated current code
pass # Make a recursive call to the right child node, with the updated current code
### END YOUR CODE ###
def print_codes(codes):
codes_sorted = sorted([(k, v) for k, v in codes.items()], key = lambda x: len(x[1]))
for k, v in codes_sorted:
print(f'"{k}" -> {v}')
Test code:
# Do not change the test code here
sample_text = 'No, it is a word. What matters is the connection the word implies.'
freq = create_frequency_dict(sample_text)
tree = create_tree(freq)
merge_nodes(tree)
codes = make_codes(tree)
print('Example 1:')
print_codes(codes)
print()
freq2 = {'a': 45, 'b': 13, 'c': 12, 'd': 16, 'e': 9, 'f': 5}
tree2 = create_tree(freq2)
merge_nodes(tree2)
code2 = make_codes(tree2)
print('Example 2:')
print_codes(code2)
Expected output
Example 1:
"i" -> 001
"t" -> 010
" " -> 111
"h" -> 0000
"n" -> 0001
"s" -> 0111
"e" -> 1011
"o" -> 1100
"l" -> 01100
"m" -> 01101
"w" -> 10000
"c" -> 10001
"d" -> 10010
"." -> 10100
"r" -> 11010
"a" -> 11011
"N" -> 100110
"," -> 100111
"W" -> 101010
"p" -> 101011
Example 2:
"a" -> 0
"c" -> 100
"b" -> 101
"d" -> 111
"f" -> 1100
"e" -> 1101
Answers
Get codes from the treeObtain the Huffman codes for each character in the leaf nodes of the merged tree.
The returned codes are stored in a dict object codes, whose key (str) and value (str) are the character and code, respectively. make_codes_helper() is a recursive function that takes a tree node, codes, and current_code as inputs. current_code is a str object that records the code for the current node (which can be an internal node). The function needs be called on the left child and right child nodes recursively. For the left child call, current_code needs increment by appending a "0", because this is what the left branch means; and append an "1" for the right child call.CODE:import heapq
from collections import Counter
def make_codes(tree):
codes = {}
### START YOUR CODE ###
root = tree[0] # Get the root node
current_code = '' # Initialize the current code
make_codes_helper(root, codes, current_code) # initial call on the root node
### END YOUR CODE ###
return codes
def make_codes_helper(node, codes, current_code):
if(node == None):
### START YOUR CODE ###
return None # What should you return if the node is empty?
### END YOUR CODE ###
if(node.char != None):
### START YOUR CODE ###
codes[node.char] = current_code # For leaf node, copy the current code to the correct position in codes
### END YOUR CODE ###
### START YOUR CODE ###
make_codes_helper(node.left, codes, current_code+'0') # Make a recursive call to the left child node, with the updated current code
make_codes_helper(node.right, codes, current_code+'1') # Make a recursive call to the right child node, with the updated current code
### END YOUR CODE ###
def print_codes(codes):
codes_sorted = sorted([(k, v) for k, v in codes.items()], key = lambda x: len(x[1]))
for k, v in codes_sorted:
print(f'"{k}" -> {v}')
Test code:
# Do not change the test code here
sample_text = 'No, it is a word. What matters is the connection the word implies.'
freq = create_frequency_dict(sample_text)
tree = create_tree(freq)
merge_nodes(tree)
codes = make_codes(tree)
print('Example 1:')
print_codes(codes)
print()
freq2 = {'a': 45, 'b': 13, 'c': 12, 'd': 16, 'e': 9, 'f': 5}
tree2 = create_tree(freq2)
merge_nodes(tree2)
code2 = make_codes(tree2)
print('Example 2:')
print_codes(code2)
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Add a slicer to the Store Sales PivotTable to filter the data by State
Answers
To add a slicer to the Store Sales PivotTable to filter the data by State, follow these steps:
1. Click on the Store Sales PivotTable to activate the PivotTable Tools tabs in the Excel ribbon.
2. In the 'PivotTable Tools' section, go to the 'Analyze' tab (or 'Options' tab in older Excel versions).
3. In the 'Filter' group, click on the 'Insert Slicer' button.
4. A dialog box named 'Insert Slicers' will appear, listing all the available fields from your PivotTable. Find and check the box next to 'State' to create a slicer for this field.
5. Click 'OK' to insert the slicer into your worksheet.
Now, you have a slicer added to your Store Sales PivotTable, which allows you to filter the data by State. By selecting one or multiple states in the slicer, the PivotTable will update automatically to show only data for the chosen states. This enables you to quickly analyze and visualize your data on a per-state basis, making it easier to identify trends and make informed decisions.
Remember to keep your slicer close to the PivotTable for easy access and better organization of your worksheet. You can also customize the slicer's appearance by clicking on it and selecting options from the 'Slicer Tools' tab that appears in the Excel ribbon.
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Write long answer to the following question. a. Define microcomputer. Explain the types of microcomputers in detail.
Answers
Answer:
Microcomputer, an electronic device with a microprocessor as its central processing unit.
Explanation:
There are three types of microprocessors namely, CISC, RISC, and EPIC. ... A microprocessor is basically the brain of the computer. We can also call it simply a processor or CPU. Furthermore, a microprocessor is basically a computer processor that is mounted on a single IC (Integrated Circuit).
Uses transistors for more registers: Transistors are used for storing the complex instr...
RISC: CISC
Fewer registers are used: It requires more number of registers
Answer:
A microcomputer is defined as a small PC having a microprocessor that works as a central processor. A small handheld device that looks like a smartphone with a central microprocessor is an example of a microcomputer.
Types of microcomputers
Desktop Computer Mini Tower Microcomputer Full Tower Microcomputer Laptop Notebook Smartphone Tablet PDAs ServersDesktop Computer:
A desktop computer is a personal computer that handles complex operations and fit easily on your desk. This computer is heavyweight having components such as a separate screen, CPU, Keyboard & Mouse connected to the main unit via wires having USB connectors. The size of Desktop computers is larger than notebooks and laptops. Desktop microcomputers are cheaper and more reliable than notebooks or laptops and can be repaired easily.
Laptop
A laptop microcomputer is a laptop that is much smaller than a desktop computer powered by a battery and designed for low power consumption. A laptop looks like a briefcase and can easily fit on your desk or your lap.
Although laptops and desktop computers have the same functionality there is a great difference between them.
A laptop comes in one unit, with a thin display screen, keyboard touch, and touchpad used for navigation. Speakers are mounted into the unit. A laptop is a multi-tasking computer that is able to perform complex operations just like a desktop computer.
Notebook Computer
Notebook computer just like a physical notebook having ultra-mobile3 inches thick screen with 3.5 pounds weight. This microcomputer can be great for commuters as they are powerful and lightweight. It is easy to carry a notebook computer from one place to another place as it fits easily into your briefcase. You can connect Notebook to the Internet by using a cable or Wi-Fi.
Smartphone
A smartphone is a cell phone that works like a computer and enables you to do much more than just making phone calls and send text . The smartphones are built up with very advanced technology that allows you to browse the Internet and run software programs like a computer.
A smartphone is a Multi-purpose phone that uses a touch screen for input. It is a Multi-tasking phone that can run thousands of smartphone apps including games, personal-use, and business-use programs.
The New generation Smartphone is used to send E-mails, Listening Music, take pictures, and use social media
Tablet
A tablet is a wireless, portable personal computer just like a Mobile Device with a touchscreen interface. The tablet is smaller than a notebook computer but bigger than a Smartphone.
A tablet has the same features as a smartphone such as a Touch screen display, a power full Battery as well as run apps, snipping pictures, and much more.
PDAs
PDAs stands for Personal Digital Assistants, are very small networked computers that can easily fit inside the palm of your hand. The PDAs are much powerful as they are often used as a replacement for desktop or laptop computers. Most of the PDAs have converged into smartphones such as Apple iPhone and Blackberry smartphone.
Mini Tower Microcomputer
The main unit of a mini-tower microcomputer is designed like a small tower. Its elegant design allows you to place it on your desk with less space consumption than a desktop computer. Similar to a desktop computer, wires are the source of connection to peripheral components.
Full Tower Microcomputer
A full tower is a bigger version of the mini-tower microcomputer, wider and higher in size. The basic components of the full tower model include the motherboard, storage device, graphics card, and power supply mounted into a cabinet design.
It also allows you to add additional parts such as drive bays to enhance the speed and functionality of the computer. You can easily fix it underneath your desk or place it on the floor.
Hope you got it
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list the different types of software
Answers
Answer:
Here are the 4 main types of software: Application Software, System Software, Programming Software, and Driver Software.
Explanation:
When you begin typing, your fingers rest on the A, S, D, F, J, K, L, and ; keys. What is this called?
a. the base row
b. the starting line
c. the main row
d. the home row
Answers
On the middle row of the keyboard, these are the keys. A, S, D, and F are located on the left side of the keyboard's home row, whereas J, K, L, and the semicolon (;) are located on the right.
The fingers must rest on when typing.The first row of keys with the fingers at rest. If you're unsure which ones these are, locate them on your keyboard by looking two lines up from the spacebar. They begin with ASDF on the left. T
When typing, your fingers should always begin and stop in which row?Your fingers must be on the "HOME ROW" keys in the centre of your keyboard. Put your little finger (pinky) on the index of your left hand first, then move.
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How to translate a word file with goole translator.
Answers
Answer:
Use the translation websiteClick "Browse your computer". A file selection dialog will pop up. Select the file. Select the translation languagePress 'translate'!Note: The document translation option will only show on medium and large screens
Which statement best describes fonts from a serif font family?
A.
These fonts have tapered corners and edges at the end of their strokes.
B.
These fonts have straight lines and uniform stroke widths.
C.
These fonts are cursive and italicized.
D.
These fonts have fixed widths.
Answers
Answer:
A
Explanation:
The main characteristic of a serif font is the tapered corners, so the answer would be A.
Answer:
A. These fonts have tapered corners and edges at the end of their strokes.
Explanation:
just did the test this is the answer, hope I helped :)
What is the difference between an open network and a secure network?
Answers
An open network is a network that allows any device to connect to it without any restrictions or authentication, while a secure network is a network that has some level of security measures in place to prevent unauthorized access.
An open network is convenient because it allows anyone to easily connect to it, but it can also be vulnerable to security risks because it lacks any protection against unauthorized access. In contrast, a secure network uses various security measures such as encryption, authentication, and access controls to prevent unauthorized access and protect the data transmitted over the network. As a result, secure networks are generally more secure than open networks, but they may require additional setup and configuration.
How did tribes profit most from cattle drives that passed through their land?
A.
by successfully collecting taxes from every drover who used their lands
B.
by buying cattle from ranchers to keep for themselves
C.
by selling cattle that would be taken to Texas ranches
D.
by leasing grazing land to ranchers and drovers from Texas
Answers
The way that the tribes profit most from cattle drives that passed through their land is option D. By leasing grazing land to ranchers and drovers from Texas.
How did Native Americans gain from the long cattle drives?When Oklahoma became a state in 1907, the reservation system there was essentially abolished. In Indian Territory, cattle were and are the dominant economic driver.
Tolls on moving livestock, exporting their own animals, and leasing their territory for grazing were all sources of income for the tribes.
There were several cattle drives between 1867 and 1893. Cattle drives were conducted to supply the demand for beef in the east and to provide the cattlemen with a means of livelihood after the Civil War when the great cities in the northeast lacked livestock.
Lastly, Abolishing Cattle Drives: Soon after the Civil War, it began, and after the railroads reached Texas, it came to an end.
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2) To move the camera toward or away from an object is called:
A) Arc
B) Dolly
C) Pan
D) Tilt
Answers
Some operating systems add the command interpreter to the kernel .what will be the justification for this design principle?
Answers
Answer:
Some operating systems add the command interpreter to the kernel. What will be the justification for this design principle? It displays all the apps and programs in the computer. Fab Numbers Sid wants to find out the average of Fab numbers.
Explanation:
Some operating systems add the command interpreter to the kernel. What will be the justification for this design principle? It displays all the apps and programs in the computer. Fab Numbers Sid wants to find out the average of Fab numbers.
Discuss the use of e-air way bill and the requirements for its
operability.
Answers
The e-Air Waybill (e-AWB) replaces the manual paper process with an electronic format, bringing numerous benefits such as improved efficiency, cost savings, and enhanced data accuracy.
1. The e-Air Waybill (e-AWB) is an electronic version of the traditional paper air waybill, which is a crucial document in the air cargo industry used for the transportation of goods by air.
2. To ensure the operability of e-AWB, certain requirements must be met:
a. Electronic Data Interchange (EDI): This allows for seamless data exchange between different stakeholders involved in air cargo operations, including airlines, freight forwarders, ground handling agents, and customs authorities.
b. System Integration and Connectivity: Implementing e-AWB requires establishing electronic connectivity between participating parties through secure and reliable networks. This allows for the exchange of data in real-time, ensuring smooth coordination and visibility across the supply chain.
c. Compliance with Regulatory Requirements: The e-AWB must comply with local and international regulations related to air cargo transportation, customs procedures, and data protection.
d. Stakeholder Collaboration and Adoption: Successful implementation of e-AWB requires collaboration and widespread adoption by all stakeholders involved in air cargo operations.
By meeting these requirements, the e-AWB offers numerous advantages such as reduced paperwork, faster processing times, improved data accuracy, enhanced visibility, and cost savings in bills. It facilitates seamless data exchange, increases efficiency, and streamlines air cargo operations, benefiting both the industry and its customers.
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URGENT! REALLY URGENT! I NEED HELP CREATING A JAVASCRIPT GRAPHICS CODE THAT FULFILLS ALL THESE REQUIREMENTS!
Answers
In the program for the game, we have a garden scene represented by a green background and a black rectangular border. The cartoon character is a yellow circle with two black eyes, a smiling face, and arcs for the body. The character is drawn in the center of the screen.
How to explain the informationThe game uses Pygame library to handle the graphics and game loop. The garden is drawn using the draw_garden function, and the cartoon character is drawn using the draw_cartoon_character function.
The game loop continuously updates the scene by redrawing the garden and the cartoon character. It also handles user input events and ensures a smooth frame rate. The game exits when the user closes the window.
This example includes appropriate use of variables, a function definition (draw_garden and draw_cartoon_character), and a loop (the main game loop). Additionally, it meets the requirement of using the entire width and height of the canvas, uses a background based on the screen size, and includes shapes (circles, rectangles, arcs) that are used appropriately in the context of the game.
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Write a program in the if statement that sets the variable hours to 10 when the flag variable minimum is set.
Answers
Answer:
I am using normally using conditions it will suit for all programming language
Explanation:
if(minimum){
hours=10
}
Match the step to the order in which it should be completed to access the backup utility of Windows 7.
first
second
third
:: Open the Control Panel.
:: Click Set up Backup. :: Choose System and Security, Backup and Restore
Answers
The step to order in which it should be completed to access the backup utility of Windows 7 is
1. Open the Control Panel.
2. Choose System and Security.
3. Click on Backup and Restore.
4. Click Set up Backup.
Open the Control Panel: you can click on the "Start" button in the bottom left corner of the screen, then select "Control Panel" from the menu. for opening the Control Panel on Windows 7, select "Control Panel" from the menu.
Choose System and Security: For navigation the System and Security section, which contained settings related to system management, security, and backups.
Click on Backup and Restore: now look for the "Backup and Restore" option and click it. That opens the backup utility in Windows 7.
Click Set up Backup: click on the "Set up Backup" option to start the backup configuration process, This will guide you through the steps to configure your backup preferences and select the backup destination.
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g i r l s o n l y j o i n
id= ons jcuv jke
Answers
what is considers the local address? a. any address that appears on the inside portion of the network b. any address that appears on the outside portion of the network c. address of the company network device that being translated d. ip address of the destination device
Answers
Any domain that displays on the corporate network is considered to as a local address.
Is WiFi and a network different from one another?WiFi is a network technology that is used distribute the Information via hotspots and link adjacent devices to one another. On the other side, the Internet is a vast collection of interconnected where computers may connect and interact using the Internet Protocol.
Why is a network crucial?Simply simply, networking entails establishing relationships with other business people. Always consider the benefits to both sides when networking. A better reputation, higher exposure, a greater support network, enhanced company growth, and more meaningful relationships are a few benefits of networking.
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Can you please help me? I give you a brainlest
!
Answers
2.satin stitch
3.lazy daisy stitch (detached chain )
4.chain stitch
5. cross stitch
6. french knot
7.
8.split stitch
9.
10. back stitch
the others i can’t tell.
100% pl…View the full answer
answer image blur
Transcribed image text: Convert the following Pseudo-code to actual coding in any of your preferred programming Language (C/C++/Java will be preferable from my side!) Declare variables named as i, j, r, c, VAL Print "Enter the value ofr: " Input a positive integer from the terminal and set it as the value of r Print "Enter the value of c: " Input a positive integer from the terminal and set it as the value of c Declare a 2D matrix named as CM using 2D array such that its dimension will be r x c Input an integer number (>0) for each cell of CM from terminal and store it into the 2D array Print the whole 2D matrix CM Set VAL to CM[0][0] Set both i and j to 0 While i doesn't get equal to r minus 1 OR j doesn't get equal to c minus 1 Print "(i, j) →" // i means the value of i and j means the value of j If i is less than r minus 1 and j is less than c minus 1 If CM[i][j+1] is less than or equal to CM[i+1][j], then increment j by 1 only Else increment i by 1 only Else if i equals to r minus 1, then increment j by 1 only Else increment i by 1 only Print "(i, j)" // i means the value of i and j means the value of j Increment VAL by CM[i][j] Print a newline Print the last updated value of VAL The above Pseudo-code gives solution to of one of the well-known problems we have discussed in this course. Can you guess which problem it is? Also, can you say to which approach the above Pseudo-code does indicate? Is it Dynamic Programming or Greedy? Justify your answer with proper short explanation.
Answers
The following is the solution to the provided Pseudo code in C++ programming language. As for which problem this Pseudo code gives a solution for, it is the problem of finding the path with minimum weight in a matrix from its top-left corner to its bottom-right corner, known as the Minimum Path Sum problem.The above Pseudo code shows the Greedy approach of solving the Minimum Path Sum problem. This is because at each cell of the matrix, it always picks the minimum of the right and down cell and moves there, instead of keeping track of all paths and comparing them, which would be the Dynamic Programming approach. Hence, it does not require to store all the sub-problem solutions in a table but instead makes a decision by selecting the locally optimal solution available at each stage. Therefore, we can conclude that the above Pseudo code does indicate the Greedy approach to the Minimum Path Sum problem in computer programming.Explanation:After receiving input of the dimensions of the matrix and the matrix itself, the Pseudo code declares a variable VAL and initializes it with the first cell value of the matrix. It then uses a while loop to iterate through the matrix till it reaches its bottom-right corner. At each cell, it checks if it can only move to the right or down, and then it moves in the direction of the minimum value. VAL is then updated by adding the value of the current cell to it.After the loop is exited, the last updated value of VAL is printed, which is the minimum path sum value.
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Which of the following methods causes the next slide to be displayed during a slide show? Select all the options that
apply.
A. Click the left mouse button.
B. Press SPACEBAR.
C. Press ESC.
D. Click the right mouse button.
Answers
For the next slide to display during a slide show, always click the left mouse button and press spacebar. That is options A and C.
What is a computer slide show?A computer slide show is a presentation of an information using the application software called power point presentation.
These information are represented as a slide show which is showing a single screen of information.
Input devices such as the keyboard and the mouse are used to navigate through these slides.
Therefore, for the next slide to display during a slide show, always click the left mouse button and press spacebar on the keyboard.
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After the following code executes what are the values in array2? (2 points):
int[] array1 (6, 3, 9, 1, 11);
int[] array2 = (0, 0, 0, 0, 0);
int a2 = 0;
for (int al = 0; al < array1.length - 1; a1++)
(
}
if (array1[al] >= 5)
(
}
array2 [a2] = array1[al];
a2++;
(A) (0, 0, 0, 0, 0);
(B) (6, 9, 0, 0, 0);
(C) (6, 0, 9, 0, 11);
(D) {6, 9, 11, 0, 0);
(E) (6, 3, 9, 1, 11); by
Answers
Answer:
After this code executes, the values in array2 would be (6, 9, 0, 0, 0) because the code loops through array1 and checks if each element is greater than or equal to 5. If it is, the element is added to array2 and a2 is incremented. In this case, array1 has two elements that are greater than or equal to 5, which are 6 and 9. So array2 will have those values in the first two elements, and the remaining elements will be 0. Therefore, the answer is (B) (6, 9, 0, 0, 0)
After securing your space at the end of the day, you should try to badge back in to ensure it is locked.a. Trueb. False
Answers
Answer:
TrueExplanation:
Renita manages a cell-phone store. She often needs to send contracts to business customers who are far away. Renita is most likely to use _____ for this job.
broadcasting
a teleprompter
a fax machine
the VoIP
Answers
Answer:
a fax machine.
I hope it helps.
Do network packets take the shortest route?
Answers
Answer:
The packet will take a shorter path through networks 2 and 4
Answer:The packet will take a shorter path through networks 2 and 4, but networks 1, 3, and 5 might be faster at forwarding packets than 2 and 4. These are the kinds of choices network routers constantly make.What is shortest path routing in computer networks?
The goal of shortest path routing is to find a path between two nodes that has the lowest total cost, where the total cost of a path is the sum of arc costs in that path. For example, Dijikstra uses the nodes labelling with its distance from the source node along the better-known route.
Explanation:
for a single-level page table, how many page table entries (ptes) are needed? how much physical memory is needed for storing the page table?
Answers
For a single-level page table, the number of page table entries (ptes) required is equivalent to the total number of pages that can be referenced.
For instance, if each page is 4KB in size and the virtual address space size is 32 bits, then the total number of pages that can be referenced is 2^32/2^12=2^20 pages. Therefore, the number of page table entries required is 2^20. This can be computed as follows: The virtual address space is split into page numbers and offsets, with the page number providing an index into the page table and the offset specifying the position within the page.
Page size is typically 4KB, which means that the lowest 12 bits of the virtual address represent the page offset. For a 32-bit virtual address, the highest 20 bits can be used to store the page number.The amount of physical memory required to store the page table is calculated by multiplying the number of page table entries by the size of each page table entry. On modern systems, each page table entry is 4 bytes in size. As a result, the amount of physical memory required to store the page table is 4KB * 2^20 = 4GB.
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An easy way to create a background thread mentioned in the text is to use
A RecyclerView
none of these
BackThread
AsyncTask
Answers
To create a background thread in Android is to use AsyncTask.
AsyncTask is a class provided by the Android SDK that allows you to perform time-consuming background tasks in a separate thread and update the user interface thread with the results.
AsyncTask is designed to simplify the process of creating background threads and make it easier to handle UI updates in response to the results of these threads.
AsyncTask is relatively straightforward.
To create a subclass of AsyncTask and override the doInBackground() method.
This method contains the code that will be executed in the background thread.
Once the background task is complete, the onPostExecute() method is called, which can be used to update the user interface with the results of the background task.
One advantage of using AsyncTask is that it handles much of the low-level threading code for you, so you don't have to worry about things like creating a new thread or synchronizing access to shared resources. Another advantage is that it provides a simple way to update the UI thread with the results of the background task, which can make your code more readable and easier to understand.
AsyncTask can be a useful tool for creating background threads in Android, it is important to use it appropriately.
AsyncTask for long-running tasks that may be interrupted by configuration changes, such as screen rotations.
AsyncTask may not be suitable for all types of background tasks, so it is important to carefully consider your use case and choose the appropriate threading mechanism for your needs.
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Complete each sentence by choosing the correct answer from the drop-down menus.
The
printer works by spraying ink onto paper.
use a laser beam and static electricity to transfer words and images to paper.
are primarily business printers because they produce high-quality printed material and are expensive to purchase.
Laser printers use a special powdered ink called
.
Answers
Answer:
the printer works by spraying ink onto paper. Ink-Jet printers
use a laser beam and static electricity to transfer words and images to paper. Laser printers
are primarily business printers because they produce high-quality printed material and are expensive to purchase. Laser Printers
Laser printers use a special powdered ink called toner
Answer:
✔ inkjet
✔ Laser printers
✔ Laser printers
✔ toner
Explanation:
Nadia has inserted an image into a Word document and now would like to resize the image to fit the document better.
What is the quickest way to do this?
keyboard shortcut
sizing handles
context menu
sizing dialog box
Answers
Grid Styles Grid Rows Styles Go to the ce_grids.css file and within the Grid Rows Styles section, create a style rule to set the width of each div element of the row class to 100% of its container, displaying the row only when it’s clear of floated content on both margins. Create a style rule to allow grid rows to expand around all of their floated content. Grid Columns Styles Go to the Grid Columns Style section. Create a style rule to float every div element whose class name begins with column on the left. Create style rules for div elements belonging to the following classes: .column100, .column50, .column33, .column67, .column25, .column75, .column20, .column40, .column60, and .column80 so that the width of each column is a percent equal to the size value. For example, div elements belonging to the .column100 class should have widths of 100%, .column50 should have widths of 50%, and so forth. Note: Use 33.33% for .column33 and 66.67% for .column67. Grid Spacing Styles Go to the Grid Spacing Styles section. Create a style rule to apply the Border Box model to the div elements belonging to the following classes: container, row, classes that begin with column, cell, and a elements nested within div elements belonging to the cell class. Tasks Complete the Grid Rows Styles step described above. 1 Complete the Grid Columns Styles step above. 1 Complete the Grid Spacing Styles step described above. 1 Window and Body Styles Go to the ce_styles.css file and go to the Window and Body Styles section and create a style rule to set the background color of the browser window to rgb(101, 101, 101). Create a style rule for the body element that: sets the background color to white, sets the default font to the stack: Verdana, Geneva, Arial,sans-serif, centers the page by setting the top/bottom margins to 20 pixels and the left/right margins to auto, and sets the width of the page body to 95% ranging from 320 pixels up to 960 pixels. Insert style rules to display all images in the document as blocks with widths of 100%. Insert a style rule to remove all underlining from hypertext links within navigation lists. Body Header Styles Go to the Body Header Styles section. Richard wants you to format the links that are displayed in the header at the top of the web page. To format the links, create a style rule that sets the background color of the body header to rgb(191, 168, 170) and sets the height to 40 pixels. Create a style that displays all list items within the navigation unordered list in the body header as blocks, floated on the left, with a right margin of 20 pixels and top/bottom padding of 10 pixels with left/right padding of 0 pixels. Create a style rule to set the font size of hypertext links within the body header navigation list to 0.9em with a color value of rgb(51, 51, 51) for both visited and non-visited links. Change the text color to rgb(255, 211, 211) when the user hovers over or activates those links. DIV Container Styles Go to the DIV Container Styles section. Richard wants you to add some additional spacing between the images and the edge of the page body. To add this spacing, create a style rule that sets the right and bottom padding of the div element with the ID container to 8 pixels. For every a element within a div element belonging to the cell class, create a style rule to: display the hypertext link as a block with a width of 100% and set the left and top padding to 8 pixels. Footer Styles Richard wants the page footer to be displayed in the bottom right corner of the web page. To place the footer in this position, go to the Windows and Body Styles section and set the position property of the body element to relative, then go to the Footer Styles section and create a style rule for the footer element to do the following: set the position property of the footer to absolute with a right coordinate and bottom coordinate of 8 pixels, set the text of the footer to rgb(143, 33, 36), right-align the footer text, and set the font size to 2vmin so that the text resizes automatically with the width and/or height of the browser window. Tasks Complete the Window and Body Styles step described above. 1 Complete the Body Header Styles step described above. 1 Complete the DIV Containers Styles step described above. 1 Complete the Footer Styles step described above.
Answers
Grid Styles are used to create advanced designs of the webpage, where Grid Rows Styles are used to display rows in a grid layout, Grid Columns Styles are used to display columns in a grid layout, Grid Spacing Styles are used to apply the Border Box model to the div elements, Window and Body Styles are used to set the background color of the browser window.
Grid Styles is an important aspect of CSS which is used to create advanced designs of the webpage. There are various styles such as Grid Rows Styles, Grid Columns Styles, Grid Spacing Styles, Window and Body Styles, Body Header Styles, DIV Container Styles, and Footer Styles.
Explanation:Grid Rows Styles- Create a style rule to set the width of each div element of the row class to 100% of its container and to display the row only when it is clear of floated content on both margins. Create a style rule to allow grid rows to expand around all of their floated content.Grid Columns Styles- Create a style rule to float every div element whose class name begins with column on the left. Create style rules for div elements belonging to the following classes: .column100, .column50, .column33, .column67, .column25, .column75, .column20, .column40, .column60, and .column80 so that the width of each column is a percent equal to the size value.Grid Spacing Styles- Create a style rule to apply the Border Box model to the div elements belonging to the following classes: container, row, classes that begin with column, cell, and a elements nested within div elements belonging to the cell class.Window and Body Styles- Create a style rule to set the background color of the browser window to rgb(101, 101, 101).
Create a style rule for the body element that sets the background color to white, sets the default font to the stack: Verdana, Geneva, Arial, sans-serif, centers the page by setting the top/bottom margins to 20 pixels and the left/right margins to auto, and sets the width of the page body to 95% ranging from 320 pixels up to 960 pixels. Insert style rules to display all images in the document as blocks with widths of 100%. Insert a style rule to remove all underlining from hypertext links within navigation lists.Body Header Styles- To format the links, create a style rule that sets the background color of the body header to rgb(191, 168, 170) and sets the height to 40 pixels. Create a style that displays all list items within the navigation unordered list in the body header as blocks, floated on the left, with a right margin of 20 pixels and top/bottom padding of 10 pixels with left/right padding of 0 pixels.
Create a style rule to set the font size of hypertext links within the body header navigation list to 0.9em with a color value of rgb(51, 51, 51) for both visited and non-visited links. Change the text color to rgb(255, 211, 211) when the user hovers over or activates those links.DIV Container Styles- Create a style rule that sets the right and bottom padding of the div element with the ID container to 8 pixels. For every a element within a div element belonging to the cell class, create a style rule to display the hypertext link as a block with a width of 100% and set the left and top padding to 8 pixels.Footer Styles- Create a style rule for the footer element to set the position property of the footer to absolute with a right coordinate and bottom coordinate of 8 pixels, set the text of the footer to rgb(143, 33, 36), right-align the footer text, and set the font size to 2vmin so that the text resizes automatically with the width and/or height of the browser window.
Conclusion:In brief, Body Header Styles are used to format the links that are displayed in the header at the top of the web page, DIV Container Styles are used to add some additional spacing between the images and the edge of the page body, and Footer Styles are used to set the position of the footer element.
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Which of the following statements are true about cross-platform development? Select 3 options.
Hybrid apps are cross-platform and provide access to many hardware features.
Web apps are not cross-platform, unless they are being run on a smartphone.
Native apps are cross-platform applications, where one version of the app runs on all devices.
Application programming interfaces are often used to make cross-platform development easier.
Cross-platform development allows programmers to create one version of an app that runs on many
different platforms.
Answers
Answer:
- Application programming interfaces are often used to make cross-platform development easier.
-Hybrid apps are cross-platform and provide access to many hardware features.
-Cross-platform development allows programmers to create one version of an app that runs on many different platforms.
Explanation:
The statements that are correct about "cross-development platform" would be:
A). Hybrid apps are cross-platform and provide access to many hardware features.
D). Application programming interfaces are often used to make cross-platform development easier.
E). Cross-platform development allows programmers to create one version of an app that runs on many different platforms.
What is a cross-development platform?The Cross-Development platform is described as the process of development of application software that carries the ability to function on various operating systems.
The above statements correctly state that these applications offer access to multiple characteristics of the hardware and work on a number of platforms.
The applications are prepared to allow its access on distinct devices and it helps in making on the application that will work on all platforms.
Thus, options A, D, and E are the correct answers.
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