this assignment implements a very simple user thread library and its round-robin scheduler, say sthread (notpthread). it exercises how to capture and restore the current execution environment with setjmp( ) and longjmp( ), toretrieve stack and base pointers from the cpu register set with asm( ), and to copy the current activation record (i.e.,the stack area of the current function) into a scheduler's memory space upon a context switch to a next thread. wealso use signal( ) and alarm( ) to guarantee a minimum time quantum to run the current thread.
Answers
The assignment implements a simple user thread library (sthread) with a round-robin scheduler, utilizing setjmp(), longjmp(), asm(), signal(), and alarm() for execution environment and time quantum management.
The assignment's objective is to create a basic user thread library called sthread with a round-robin scheduler. This is done by using setjmp() and longjmp() to capture and restore the current execution environment, and asm() to retrieve stack and base pointers from the CPU register set.
During a context switch to the next thread, the current activation record (i.e., the stack area of the current function) is copied into the scheduler's memory space. To ensure a minimum time quantum for running the current thread, signal() and alarm() functions are employed, managing thread execution time and maintaining fairness in the scheduling process.
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Related Questions
what is a proxy? a. a standard that specifies the format of data as well as the rules to be followed during transmission b. a simple network protocol that allows the transfer of files between two computers on the internet c. a standard internet protocol that provides the technical foundation for the public internet as well as for large numbers of private networks d. software that prevents direct communication between a sending and receiving computer and is used to monitor packets for security reasons
Answers
An intermediary proxy server serves as your connection to the internet. End consumers are separated from the websites they visit by an intermediary server.
What is the purpose of a proxy?Proxies are frequently used for system optimization, such as load balancing and caching comparable requests for faster response times, as well as information security against threats. They can handle authentication requests and act as a firewall.
What kind of proxy would that be?Some proxy servers consist of a collection of programs or servers that obstruct popular internet services. An SMTP proxy, for instance, intercepts email, whereas an HTTP proxy intercepts online access. An organization's single IP address is shown to the internet through a proxy server using a network addressing system.
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_____ is a programming model by which large datasets are broken into pieces and analyzed on separate processors.
Answers
The programming model referred to in the question is known as MapReduce. It is a distributed processing framework used to analyze and process large data sets by breaking them down into smaller pieces, and processing them on multiple processors or nodes in parallel.
MapReduce provides a way to distribute the workload of processing large amounts of data across multiple machines, making it possible to perform computations on datasets that would be too large to process on a single machine.
MapReduce consists of two primary functions: the Map function and the Reduce function. The Map function takes a set of data and maps it into a key-value pair. The Reduce function then takes the output of the Map function and reduces it to a smaller set of key-value pairs, which can then be used to generate the final output.
One of the key benefits of MapReduce is its ability to handle large data sets that would be difficult or impossible to process with traditional computing methods. By breaking data sets into smaller pieces and processing them in parallel, MapReduce can reduce the amount of time it takes to process large data sets from days or weeks to just hours or minutes.
MapReduce is widely used in the field of big data, where it is used to analyze large data sets generated by social media, e-commerce, and other web-based applications. It is also used in scientific research, where it is used to process and analyze large amounts of data generated by experiments and simulations.
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What is digital divide
Answers
Explanation:
A digital divide is any uneven distribution in the access to, use of, or impact of information and communications technologies between any number of distinct groups, which can be defined based on social, geographical, or geopolitical criteria, or otherwise.
Translate these two functions into MIPS Language
int moveRobots(int *arg0, int *arg1, int arg2, int arg3)
{
int i, *ptrX, *ptrY, alive = 1;
ptrX = arg0;
ptrY = arg1;
for (i=0;i<4;i++) {
*ptrX = getNew(*ptrX,arg2); // update x-coordinate of robot i
*ptrY = getNew(*ptrY,arg3); // update y-coordinate of robot i
// check if robot caught user
if ((*ptrX == arg2) && (*ptrY == arg3)) {
alive = 0;
break;
}
ptrX++;
ptrY++;
}
return alive;
}
Answers
The given code is a function in C language that accepts four integer pointers: two integer pointers, two integers, and returns an integer. The function loops through four robot coordinates (x and y) updating them and checks if they have caught the user.
If a robot caught the user, the function returns 0. If no robot caught the user, the function returns 1.The MIPS assembly language code will achieve this same function. Here is the MIPS code:moveRobots:
addi $sp, $sp, -12 # Allocate space for 3 variables on stack
sw $ra, 8($sp) # Save the return address on the stack
sw $s1, 4($sp) # Save the value of s1 register on the stack
sw $s2, 0($sp) # Save the value of s2 register on the stack
add $s1, $a0, $zero # Assign pointer arg0 to $s1 register
add $s2, $a1, $zero # Assign pointer arg1 to $s2 register
addi $t0, $zero, 0 # Initialize alive to 1
lw $t0, ($s0) # Load the value of alive to $t0 register
lw $ra, 8($sp) # Load the return address from the stack to $ra
lw $s1, 4($sp) # Load the value of s1 register from stack to $s1
lw $s2, 0($sp) # Load the value of s2 register from stack to $s2
addi $sp, $sp, 12 # Deallocate the memory on stack
jr $ra # Return from function.
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How t f did i get this wrong
Answers
Answer: #3 is 3/4, just subtraction I believe, and for #4, triangles aren't my strong pint, but I think 2.625. Again, you may need to double check
You conduct an experiment to find the probability of a flipped coin landing on
heads or tails. You flip the coin 10 times, with a result of 8 heads and 2 tails,
and conclude that the probability of a coin landing on heads is 80%. Why did
you get inaccurate results?
A. The size of the coin wasn't considered.
B. The sample size was too small.
C. There is only one head and one tail, so the results should be 50%
each.
O D. You didn't flip the coin high enough.
Answers
Answer:
Experimental probability describes how frequently an event actually occurred in an experiment. So if you tossed a coin 20 times and got heads 8 times, the experimental probability of getting heads would be 8/20, which is the same as 2/5, or 0.4, or 40%.
vendor builds multiple types of tablet computers. Each has a type identification number and a name. The key specifications for each type include amount of storage and display type. The company uses multiple processor types, exactly one of which is used for a specific tablet type. The same processor can be used in multiple types of tablets. Each processor has a manufacturer and a manufacturer's unique code that identifies it.
Answers
Answer:
ARM processor
Explanation:
The processors can be shared across different tablet types and are characterized by a manufacturer and a unique code.
How does the company assign processors to tablet types?The company assigns processors to different tablet types based on their specific requirements. Each tablet type is associated with exactly one processor, chosen from the available options.
This ensures that the tablets are equipped with processors that meet their performance and compatibility needs. Multiple tablet types may utilize the same processor if it satisfies their respective specifications. The processors themselves are identified by their manufacturer and a unique code, allowing for easy identification and tracking within the company's inventory and production systems.
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question 10 true or false: a multi-az deployment is beneficial when users want to increase the availability of their databas
Answers
It is true that when users wish to boost the reliability of their database, a multi-AZ (Available Zone) configuration is beneficial.
What exactly are database, and what kinds are there?The two main types or categories of databases are relational or sequences databases & non-relational or non-sequence databases, also known as no SQL databases. An organisation may employ them independently or in combination, according to the type of data and functionality required.
What function does a database serve?A database's primary function in an e-commerce software is to store data that can be retrieved to track transactions, retrieve product and customer information, and maintain inventories.
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If David wishes to digitally sign the message that he is sending Mike, what key would he use to create the digital signature
Answers
The key would he use to create the digital signature is Mike public key.
Which key is used to sign messages?Digital signatures are known to be used via public key. Here, the person is said to be one who is said to produce or creates the digital signature that uses a private key to encrypt signature-linked data.
The only way to decrypt a data is only with the signer's public key, the key David would use to create the digital signature is Mike public key.
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Describe the different types of plotters.
What is the use of an LCD projecter?
Answers
Explanation:
What are the different types of plotters?
Three types of plotters are most popular for their ability to allow you to create different designs. This group includes the drum plotter, the flatbed plotter, and the inkjet plotter. Each of these types of plotters has a different specific use, therefore, you must make your choice very carefully.
What are the uses of projector?
Besides watching movies, projectors have many other creative applications. If you have one on hand, try using it for any of these fun projects: gaming on a big screen, painting murals on a wall, spending quality time with your kids, cooking, decorating your house, or even projecting art on walls.
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if a message is being sent to a computer that is identified in the computer's routing table, what type of connection would be established?
Answers
If a message is being sent to a computer that is identified in the computer's routing table, then a direct or a local connection would be established.
This means that the message can be sent directly to the destination computer without having to go through any intermediate devices or routers. Direct connections are generally faster and more reliable than indirect connections, which require packets to be routed through multiple devices before reaching their destination. However, direct connections may not always be possible, especially when the destination computer is located in a different network or behind a firewall.
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Write a program in java to input N numbers from the user in a Single Dimensional Array .Now, display only those numbers that are palindrome
Answers
Using the knowledge of computational language in JAVA it is possible to write a code that input N numbers from the user in a Single Dimensional Array .
Writting the code:class GFG {
// Function to reverse a number n
static int reverse(int n)
{
int d = 0, s = 0;
while (n > 0) {
d = n % 10;
s = s * 10 + d;
n = n / 10;
}
return s;
}
// Function to check if a number n is
// palindrome
static boolean isPalin(int n)
{
// If n is equal to the reverse of n
// it is a palindrome
return n == reverse(n);
}
// Function to calculate sum of all array
// elements which are palindrome
static int sumOfArray(int[] arr, int n)
{
int s = 0;
for (int i = 0; i < n; i++) {
if ((arr[i] > 10) && isPalin(arr[i])) {
// summation of all palindrome numbers
// present in array
s += arr[i];
}
}
return s;
}
// Driver Code
public static void main(String[] args)
{
int n = 6;
int[] arr = { 12, 313, 11, 44, 9, 1 };
System.out.println(sumOfArray(arr, n));
}
}
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the following code accomplishes which of the tasks written below? Assume list is an int array that stores positive int values only. int foo = 0; for (int j =0 ; j < list.length; j++) if (list[j] > foo) foo = list[j]; Question 14 options: A) It stores the smallest value in list (the minimum) in foo B) It stores the largest value in list (the maximum) in foo C) It stores every value in list, one at a time, in foo, until the loop terminates D) It counts the number of elements in list that are greater than foo
Answers
The given code stores the largest value in the "list" array (the maximum) in the variable "foo."
The code initializes a variable "foo" to 0. It then iterates over each element of the "list" array using a for loop. Within the loop, it compares the value of each element with the current value of "foo." If an element is greater than "foo," the code updates the value of "foo" to the value of that element. This process continues until all elements in the array have been examined. At the end of the loop, "foo" will contain the largest value found in the "list" array. Therefore, option B) "It stores the largest value in list (the maximum) in foo" is the correct answer. The code does not store every value in the list individually, nor does it count the number of elements greater than "foo." It focuses solely on finding the maximum value.
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if my list is a declared adt list and the front of the list is on the left, show the contents
Answers
If mylist is a declared adt list and the front of the list is on the left, show the contents "cat, fish, dog" (Option C)
The elements are added in the order: "cat", "dog", and "fish".
What is an ADT List?It is an abstract data type is a mathematical paradigm for data types in computer science.
An abstract data type is characterized by the behavior of the data from the perspective of a user, specifically in terms of potential values, operations on data of this kind, and the behavior of these actions.
A list is a form of abstract data that specifies a linear collection of data objects in some sequence, with each piece occupying a defined place in the list. The order might be alphabetical, numeric, or just the order in which the list members were added.
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Full Question:
Although part of your question is missing, you might be referring to this full question:
If myList is a declared ADT list and the front of the list is on the left, what does the list look like after applying the following pseudo code?
myList.add("cat")
myList.add("dog")
mylist.add("fish")
a. cat, dog, fish
b. fish, dog, cat
c. cat, fish, dog
d. dog, fish, cat
What do you call a collection of pre-programmed commands and functions used in programs?
Choices
1.Widget
2.Function
3.Libary
4.Variable
Answers
After setting up a dual-boot installation with Windows 8 and Windows 10, how do you boot the system into Windows 8?
a. Start the system as normal; the oldest OS automatically loads.
b. Start the system as normal; the newest OS automatically loads.
c. Start the system and select the OS in the boot loader menu.
d. Go into BIOS/UEFI setup and set the boot priority order to start with Windows 8.
Answers
The ideal choice is c). Select the OS from boot loader menu after turning on the machine.
Dual boot: what is it?Using two or more distinct operating systems (OS) simultaneously on the same machine is known as dual booting. On the primary hard disk, each software is often put on a distinct "partition."
Does a dual boot PC run slower?There is a storage shortage since the dual boot machine has had two OSs loaded. Although there is no effect on system performance, if the game is loaded on your PC, you can experience a lag in gameplay performance. It may be controlled, though, by playing the game using external storage.
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What is the next line? >>> myTuple = [10, 20, 50, 20, 20, 60] >>> myTuple.index(50) 1 2 4 3
Answers
Answer:
2
Explanation:
got right on edg.
Answer:
2
Explanation:
i got it wrong for the right answer
Database file maintenance typically involves _____. Select all that apply
Answers
The maintenance of a database file typically involves:
A. using log files to recover data.
C. compacting the database.
D. defragmenting the database index.
What is a database?A database is an organized and structured collection of data that're stored on a computer system as a backup and they're usually accessed electronically.
In database management system (DBMS), the maintenance of a database file typically involves:
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Complete Question:
Database file maintenance typically involves _____. Select all that apply
A. using log files to recover data
B. writing new database client software.
C. compacting the database
D. defragmenting the database index.
the courts can adjust the penalties in lawsuits to reflect the fact that infringements may be _____.
Answers
The courts are authorized to adjust the penalties in lawsuits in order to reflect the fact that infringements may be willful.
What is a court?A court can be defined as an enclosed space such as a hall or chamber, where legal practitioners (judges, lawyers or attorneys and a jury) converge to hold judicial proceedings, especially by listening to evidences and giving a verdict about legal cases.
In the Judicial system, the courts are authorized to adjust the penalties in lawsuits in order to reflect the fact that infringements may be willful.
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The courts can adjust the penalties in lawsuits to reflect the fact that infringements may be wilful.
What are the consequences of infringement?In general, everybody discovered responsible of civil copyright infringement can be ordered to pay both real damages or “statutory” damages affixed at now no longer much less than $750 and now no longer extra than $30,000 in line with paintings infringed. For “willful” infringement, a courtroom docket can also additionally award up to $150,000 in line with paintings infringed.
Infringement or lively inducement of infringement is willful whilst it's miles accomplished intentionally and intentionally, and with know-how of the patent. Copying of an invention, if such copying keeps after the lifestyle of the patent is made known, is proof of willfulness.
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All of the following are weaknesses of EDI except:
A) EDI is not well suited for electronic marketplaces.
B) EDI lacks universal standards.
C) EDI does not provide a real-time communication environment.
D) EDI does not scale easily
Answers
The correct answer is B) EDI lacks universal standards.
Electronic data interchange (EDI) is the transfer of structured data between various computer systems in a standardized electronic format. It has many strengths and weaknesses that are worth discussing. In the meantime, let us examine the given choices to see which one is incorrect. All of the options presented are the weaknesses of EDI except for option B, which is a strength of EDI. B) EDI lacks universal standards. EDI standardization is one of its most significant advantages. The EDI standards are well-established, and they are being improved all the time. Furthermore, EDI transactions are processed in a standard format, allowing for automation and streamlining of business operations and the exchange of electronic data between trading partners.
Therefore, the correct answer is B) EDI lacks universal standards.
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What does your personal tablet or smartphone have in common with a huge data warehouse or a remote server
Answers
Both your personal tablet or smartphone and a huge data warehouse or remote server are electronic devices that store and process data.
In other words, both your personal tablet or smartphone and a huge data warehouse or remote server share the fundamental function of storing and processing data, but the latter is capable of handling much larger and more complex tasks due to its larger scale and advanced capabilities.
Your personal tablet or smartphone is a smaller device that can hold a limited amount of data and is primarily used for personal use such as communication, entertainment, and productivity.
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How has music changed with the use of technology?
Musicians can now share their music on the World Wide Web.
Music can easily be created and edited with different applications.
Developers can include music in the background of their websites.
all of the above
please help
Answers
Answer: All of the above
Explanation:
Music like most other things, has been changed by its interaction with technology. Music for instance can now be shared on the internet to people far away from each other with services like Apple music and Tidal benefitting from this.
Different applications have also been created that can help make music from being able to create instrumentals to changing the voices of singers.
Developers are now even able to include their music in their website background as way to market their product, proof of another way music has changed due to technology.
Answer:
all of the above
Explanation:
Order the steps to create an external reference in Excel.
Worksheet reference
[workbook reference]
function in CAPS
$range$
=
Answers
In order to create an External reference in Excel, the following steps must be taken:
Select the cell or cells where you want to create the external reference. Type = (equal sign). Switch to the source workbook, and then click the worksheet that contains the cells that you want to link. Press F3, select the name that you want to link to, and press Enter.What is an external reference?An external reference (also known as a link) is a reference to a cell or range in another Excel workbook or a reference to a specified name in another workbook.
External references are very useful when huge worksheet models cannot be kept together in the same workbook.
Combine data from many workbooks You may connect workbooks from different users or departments and then combine the relevant data into a summary worksheet. You won't have to manually edit the summary workbook if the source workbooks change.
Make many views of your data. You may enter all of your data into one or more source workbooks, then construct a report workbook with only the relevant external references.
Large, complicated models should be simplified. You can work on a complicated model without opening all of its associated sheets by breaking it down into a series of interdependent workbooks.
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Answer: =
Function in CAPS
Workbook reference
Worksheet reference
$Range$
Explanation:
You are working as a project manager. One of the web developers regularly creates dynamic pages with a half dozen parameters. Another developer regularly complains that this will harm the project’s search rankings. How would you handle this dispute?
Answers
From the planning stage up to the deployment of such initiatives live online, web project managers oversee their creation.They oversee teams that build websites, work with stakeholders to determine the scope of web-based projects, and produce project status report.
What techniques are used to raise search rankings?
If you follow these suggestions, your website will become more search engine optimized and will rank better in search engine results (SEO).Publish Knowledgeable, Useful Content.Update Your Content Frequently.facts about facts.possess a link-worthy website.Use alt tags.Workplace Conflict Resolution Techniques.Talk about it with the other person.Pay more attention to events and behavior than to individuals.Take note of everything.Determine the points of agreement and disagreement.Prioritize the problem areas first.Make a plan to resolve each issue.Put your plan into action and profit from your victory.Project managers are in charge of overseeing the planning, execution, monitoring, control, and closure of projects.They are accountable for the project's overall scope, team and resources, budget, and success or failure at the end of the process.Due to the agility of the Agile methodology, projects are broken into cycles or sprints.This enables development leads to design challenging launches by dividing various project life cycle stages while taking on a significant quantity of additional labor.We can use CSS to change the page's background color each time a user clicks a button.Using JavaScript, we can ask the user for their name, and the website will then dynamically display it.A dynamic list page: This page functions as a menu from which users can access the product pages and presents a list of all your products.It appears as "Collection Name" in your website's Pages section.To learn more about search rankings. refer
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can someone help: how to get binary?
Answers
Answer:
Explanation:
SENN KİMSİİİİİİİİN???
Answer:
to convert interior to binary start with the integers in question and divide two notice of the quotient and the remainder continue dividing the quotient by 2 until you get question of zero then just write out the remains in the rivers order
Which of the following is LEAST likely to be a contributing factor to the digital divide?
A
Some individuals and groups are economically disadvantaged and cannot afford computing devices or Internet connectivity.
B
Some individuals and groups do not have the necessary experience or education to use computing devices or the Internet effectively.
с
Some parents prefer to limit the amount of time their children spend using computing devices or the Internet.
D
Some residents in remote regions of the world do not have access to the infrastructure necessary to support reliable Internet connectivity
Answers
Answer:
The Answer is C
Explanation:
The least likely contributing factor to the digital divide is that: C. some parents prefer to limit the amount of time their children spend using computing devices or the Internet.
What is the digital divide?Digital divide can be defined as a gap that exist between the group of people who have unrestricted access to digital technology and those who are unable to access it.
Basically, a digital divide is mostly influenced by the fact that some parents are fond of limiting the amount of time their children spend using computing devices or the Internet.
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About how many people live in mexico city A. 9M B. 5M C. 11M
Answers
Answer:
Its A 9M people
Explanation:
Who invented slide Rule and when?
Answers
Choose the word that matches each definition.
a company that provides Internet access to customers for a fee
a protocol (a set of rules) for how web content should be sent and received by a web browser
✓the address of a webpage or website, such as www.microsoft.com/homepage.htm
the options are in the pic
Answers
The definitions are ISP, HTTP and URL
How to define the wordsHere are the word matches for each definition:
A company that provides Internet access to customers for a fee: Internet Service Provider (ISP)
A protocol (a set of rules) for how web content should be sent and received by a web browser: Hypertext Transfer Protocol (HTTP)
The address of a webpage or website, such as www.micro.soft.com/homepage.htm: Uniform Resource Locator (URL)
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Which of the following is most likely to occur if a special effects artist holds up production on a feature film because he is not satisfied with the “look” of the work?
A. The artist will be offered future contracts.
B. The artist will not be offered future contracts.
C. The artist will earn the respect of his colleagues.
D. The artist will be fired.