list and explain 3 components of the operating systems
Answers
Answer:
An operating system (OS) is a type of software that manages the hardware and software resources of a computer. It is the foundation on which other programs, such as application software, are built.
There are three main components of an operating system:
The kernel: This is the central part of the operating system that manages the hardware and software resources of the computer. It is responsible for allocating memory, controlling the input/output devices, and managing the system's resources. The shell: This is the interface between the user and the kernel. The shell allows the user to interact with the operating system using commands and programs. System libraries: These are collections of reusable software routines that provide common services to application programs. They are often used for tasks such as input/output, math operations, and other common tasks.Together, these components form the core of an operating system, and they work together to provide the basic functionality that allows a computer to run.
Related Questions
In which sections of your organizer should the outline be located?
Answers
The outline of a research proposal should be located in the Introduction section of your organizer.
Why should it be located here ?The outline of a research proposal should be located in the Introduction section of your organizer. The outline should provide a brief overview of the research problem, the research questions, the approach, the timeline, the budget, and the expected outcomes. The outline should be clear and concise, and it should be easy for the reader to follow.
The outline should be updated as the research proposal evolves. As you conduct more research, you may need to add or remove sections from the outline. You may also need to revise the outline to reflect changes in the project's scope, timeline, or budget.
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What is the correct formula for the IF function in excel
Answers
Use the IF function, one of the logical functions, to return one value if a condition is true and another value if it's false. For example: =IF(A2>B2,"Over Budget","OK") =IF(A2=B2,B4-A4,"")
The IF function in Microsoft Excel is the most common function in Excel that allows comparing the data.
The IF function can have two statements that is positive and negative. Like of IF(C2='' Yes'', 1, 2). Which means of c2 is yes then return one or two. Thus IF formula is used to evaluate errors.Learn more about the correct formula for the IF function in excel.
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Please help I have no idea what to do :(
Write a program that simulates a coin flipping. Each time the program runs, it should print either “Heads” or “Tails”.
There should be a 0.5 probability that “Heads” is printed, and a 0.5 probability that “Tails” is printed.
There is no actual coin being flipped inside of the computer, and there is no simulation of a metal coin actually flipping through space. Instead, we are using a simplified model of the situation, we simply generate a random probability, with a 50% chance of being true, and a 50% chance of being false.
Answers
A Java Script program that simulates a coin flipping, so that each time the program runs, it should print either “Heads” or “Tails” along with the other details given is stated below.
Code for the above coin simulationvar NUM_FLIPS = 10;
var RANDOM = Randomizer.nextBoolean();
var HEADS = "Heads";
var TAILS = "Tails";
function start(){
var flips = flipCoins();
printArray(flips);
countHeadsAndTails(flips);
}
// This function should flip a coin NUM_FLIPS
// times, and add the result to an array. We
// return the result to the caller.
function flipCoins(){
var flips = [];
for(var i = 0; i < NUM_FLIPS; i++){
if(Randomizer.nextBoolean()){
flips.push(HEADS);
}else{
flips.push(TAILS);
}
}
return flips;
}
function printArray(arr){
for(var i = 0; i < arr.length; i++){
println("Flip Number " + (i+1) + ": " + arr[i]);
}
}
function countHeadsAndTails(flips){
var countOne = 0;
var countTwo = 0;
for(var i = 0; i < flips.length; i++){
if(flips[i] == HEADS){
countOne+=1;
}
else {
countTwo+=1;
}
}
println("Number of Heads: " + countOne);
println("Number of Tails: " + countTwo);
}
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QUESTION 1 Choose a term from COLUMN B that matches a description in COLUMN A. Write only the letter (A-L) next to the question number (1.1-1.10) in the ANSWER BOOK. COLUMN A 1.1. Substances that provide nourishment to the body 1.2. How you think and feel about something 1.3. Helps to cope with the challenges of being a student Exercise relating to increasing your heart rate 1.5. Having traits or qualities traditionally associated with 1.4. men 1.6. Seeing, hearing, or sensing something that is not really there 1.7. 1.8. Leaving everything till the last minute Is Chapter 2 in the Constitution of SA 1.9. Group of people who share notes and information 1.10. Ability to exercise for extended period of time COLUMN B A hallucination B nutrients C study group D procrastinate E endurance F Bill of Rights G Cardio-vascular H masculine I attitude J resilience K strength L flexibility
Answers
Answer:
1.1 B nutrients 1.2 I attitude 1.3 J resilience 1.4 H masculine 1.5 L flexibility 1.6 A hallucination 1.7 D procrastinate 1.8 F Bill of Rights 1.9 C study group 1.10 E endurance
Explanation:
A number is a palindrome if its reversal is the same as itself. Write a program ReverseNumber.java to do the following:
1. Define a method call reverse, which takes a 4-digit integer and returns an integer in reverse. For example, reverse(1234) should return 4321. (Hint: use / and % operator to separate the digits, not String functions)
2. In the main, take user input of a series of numbers, call reverse method each time and then determine if the number is a palindrome number, for example, 1221 is a palindrome number, but 1234 is not.
3. Enhance reverse method to work with any number, not just 4-digit number.
Answers
The reverse method takes an integer as input and reverses it by extracting the last digit using the modulus operator % and adding it to the reversed number after multiplying it by 10.
The Programimport java.util.Scanner;
public class ReverseNumber {
public static int reverse(int number) {
int reversedNumber = 0;
while (number != 0) {
int digit = number % 10;
reversedNumber = reversedNumber * 10 + digit;
number /= 10;
}
return reversedNumber;
}
public static boolean isPalindrome(int number) {
return number == reverse(number);
}
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.print("Enter a number: ");
int number = scanner.nextInt();
if (isPalindrome(number)) {
System.out.println(number + " is a palindrome number.");
} else {
System.out.println(number + " is not a palindrome number.");
}
}
}
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Explain the distinction between a real address and a virtual address.
Answers
Answer:
A real address is the physical address in main memory. Though a virtual address is the address of a storage location in virtual memory.
hopes this help (:`
Answer:
send to you and the world is
the derivative of
\(ln \: |x| \)
is an odd function
True or False
Answers
Answer:
true
Explanation:
the derivative of lnx is 1/x and 1/x is and odd function because x^-1 is raise to a negative odd number
Answer:
jidjdjdjdkdjdjkdjdhdjurjrhrjdjdjdjdjddjjd
Explanation:
kkfjfjfjfjfjfjfjfjfjjfjfjffjjfjfjfjfjf sorry po
Before inserting a preformatted table of contents, what must you do first?
apply heading styles to text
update the table of contents
navigate to the Review tab and the Table of Contents grouping
navigate to the Insert Table of Contents dialog box
Answers
Answer: apply heading styles to text.
Explanation:
You need to export each layer of your document, including hidden layers, to a separate PNG-24 file with the prefix SKATE. Which menu option should you use? To answer, select to highlight the correct option in the answer area.
Answers
the Layers panel, then. Choose the layer groups, artboards, or layers that you want to save as picture assets. Right-click your chosen item and then choose Quick Export.
Which technique will enable you to export each layer as a PNG?To save certain layers in your document as a PNG, right-click on the layer and select "Quick Export as PNG" in Photoshop CC 2015 and later. By modifying the export file type that is used by default, you can also export as a JPG, GIF, or SVG.
The best way to export a layer to a PNG?the Layers panel, then. Choose the artboards, layers, or layer groups you want to save as picture assets. To quickly export your selection as a PNG, right-click it and choose the menu in context. Select a location for the export of the picture.
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write a program that implements a simple movie selection decision tree. The decision tree will help the user determine which Dwayne Johnson movie to see.
Answers
Answer:
In order to make the following code in C it is necessary to take in consideration the possible tree of choices, or decision make trees.
Code:
#include <stdio.h>
int main(){
printf("Please answer with (y/n) \n");
printf("How about comedy movies? ");
char optional[2];
scanf("%s",&optional);
if(optional[0] == 'y'){
printf("Recommended: CENTRAL INTELLIGENCE\n");
} else if(optional[0] == 'n'){
printf("Then, how about a current movie ? ");
scanf("%s",&optional);
if(optional[0] == 'y' ){
printf("Recommended: HOBBS & SHAW\n");
}else if(optional[0] == 'n') {
printf("how about electronic games ? ");
scanf("%s",&optional);
if(optional[0] == 'y' ){
printf("Certified Fresh ? ");
scanf("%s",&optional);
if(optional[0] == 'y'){
printf("recommended JUMANJI : WELCOME TO THE JUNGLE\n");
}else if(optional[0] == 'n') {
printf("RAMPAGE");
}
}else if(optional[0] == 'n') {
printf("about franchises ? ");
scanf("%s",&optional);
if(optional[0] == 'y'){
printf("Recommended: FAST FIVE\n");
}else if(optional[0] == 'n') {
printf("How about animation ? ");
scanf("%s",&optional);
if(optional[0] == 'y'){
printf("recommended: MOANA\n");
}else if(optional[0] == 'n') {
printf("recommended: SKYSCRAPPER\n");
}
}
}
}
}
return 1;
}
What's the full meaning of COBOL,FORTRAN,PL1,dBASE,ALGOL,RRG,APL,LISP,PROLOG,PASCAL in high level programming
Answers
Answer:
this doesn't scare me
Explanation:
COBOL(Common Business-Oriented Language) is a high-level programming language for business applications. It was the first popular language designed to be operating system-agnostic and is still in use in many financial and business applications today
FORTRON(FORmula TRANslation) general-purpose, compiled imperative programming language that is especially suited to numeric computation and scientific computing.
(Programming Language One) procedural, imperative computer programming language developed and published by IBM
dBASE( arbitrary name) was one of the first database management systems for microcomputers
... look mister I got tons of anime to watch
/*this function represents
*what karel has to do
*/
function start() {
turnLeft();
buildTower();
turnRight();
if(frontIsClear()){
toMove();
}
while(noBallsPresent();
turnLeft();
buildTower();
}
if(frontIsBlocked()){
goBack();
}
}
/*This represents karel is
*putting down the balls for making the tower
*/
function buildTower(){
putBall();
move();
putBall();
move();
putBall();
}
function
move();
turnRight();
move();
move();
turnLeft();
move();
}
i need help finding the issues
Answers
anything
Explanation:
I know what to say this time
Answer:
turn right
Explanation:
i think sorry if it is wrong
Algorithm:
Suppose we have n jobs with priority p1,…,pn and duration d1,…,dn as well as n machines with capacities c1,…,cn.
We want to find a bijection between jobs and machines. Now, we consider a job inefficiently paired, if the capacity of the machine its paired with is lower than the duration of the job itself.
We want to build an algorithm that finds such a bijection such that the sum of the priorities of jobs that are inefficiently paired is minimized.
The algorithm should be O(nlogn)
My ideas so far:
1. Sort machines by capacity O(nlogn)
2. Sort jobs by priority O(nlogn)
3. Going through the stack of jobs one by one (highest priority first): Use binary search (O(logn)) to find the machine with smallest capacity bigger than the jobs duration (if there is one). If there is none, assign the lowest capacity machine, therefore pairing the job inefficiently.
Now my problem is what data structure I can use to delete the machine capacity from the ordered list of capacities in O(logn) while preserving the order of capacities.
Your help would be much appreciated!
Answers
To solve the problem efficiently, you can use a min-heap data structure to store the machine capacities.
Here's the algorithm:Sort the jobs by priority in descending order using a comparison-based sorting algorithm, which takes O(nlogn) time.
Sort the machines by capacity in ascending order using a comparison-based sorting algorithm, which also takes O(nlogn) time.
Initialize an empty min-heap to store the machine capacities.
Iterate through the sorted jobs in descending order of priority:
Pop the smallest capacity machine from the min-heap.
If the machine's capacity is greater than or equal to the duration of the current job, pair the job with the machine.
Otherwise, pair the job with the machine having the lowest capacity, which results in an inefficient pairing.
Add the capacity of the inefficiently paired machine back to the min-heap.
Return the total sum of priorities for inefficiently paired jobs.
This algorithm has a time complexity of O(nlogn) since the sorting steps dominate the overall time complexity. The min-heap operations take O(logn) time, resulting in a concise and efficient solution.
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You would like the cell reference in a formula to remain the same when you copy
it from cell A9 to cell B9. This is called a/an _______ cell reference.
a) absolute
b) active
c) mixed
d) relative
Answers
Answer:
The answer is:
A) Absolute cell reference
Explanation:
An absolute cell reference is used in Excel when you want to keep a specific cell reference constant in a formula, regardless of where the formula is copied. Absolute cell references in a formula are identified by the dollar sign ($) before the column letter and row number.
Hope this helped you!! Have a good day/night!!
Answer:
A is the right option absoluteAdam is capturing a long shot at night. What kind of lighting will he preferably use?
Answers
Answer:
fill light
Explanation:
when capturing a long shot at night, the subject will be in the shadows. Fill light is used to fill in the shadows and make the subject look more natural.
Salim loves being part of a team where he and his co-workers come together to brainstorm ideas and solve the problem together. He feels better when his ideas are at least heard, even if they aren’t the final ones used. What term BEST describes the conflict resolution strategy Salim’s team uses
Answers
As a soccer player, Salim performs better in his game when more people are watching him perform. Salim's behavior is an example of Social Facilitation.
What mark should use?The tendency for people who are being watched or observed to perform better than they would alone on simple tasks. Mark should use force as a method of conflict resolution to resolve the conflict among members of his team.
Force is a method of conflict resolution in which someone of authority or that occupies a position of power, enforces a viewpoint or decision on a conflicting issue in order to end such conflict as quick as possible.
Therefore, As a soccer player, Salim performs better in his game when more people are watching him perform. Salim's behavior is an example of Social Facilitation.
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A small office providing television services in Chicago has contacted Mark, a network administrator, to set up a network connection for their operations. The total strength of devices will not exceed 10, and so Mark decides that a LAN connection is all that is required for their functionality. Mark, however, wants to ensure that the devices are connected centrally, and for this purpose he plans on installing a central switch. Analyze which physical topology is best suited for this purpose.
Answers
The physical topology which is best suited for this network connection is a star topology.
What is a topology?A topology can be defined as the graphical representation of the various networking devices that are used to create and manage a network connection.
The types of topology.
In Computer networking, there are six main types of topology and these include the following:
Bus topologyTree topologyHybrid topologyRing topologyMesh topologyStar topologyA star topology refers to a type of topology in which each networking device is physically connected to a central node such as a hub, router, or switch, which are typically acting as connecting nodes.
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Write code for the following screen shot. The text field should not accept any other name
except “CS101”. On wrong entry it should give you a message as soon as you leave the
text box.
write HTML, JavaScript code
Answers
Answer:
see picture; can't paste HTML here.
Explanation:
Why is flash memory considered nonvolatile?
Answers
Answer:
flash memory is considered non-volitile becuase it does not require power to hold data. thats why its usually used to store the BIOS on a motherboard, which is unlike volitile memory that needs to be powered (like RAM).
Online education students need to be taught
the reasons why they should be ethical
how to be friends with their instructors
how to waive their right to privacy
how to communicate professionally
how to commit academic fraud
Answers
Online education is a teaching practice delivered through the internet. The students learning from online platforms must be taught to be ethical.
What is the importance of ethics and integrity?In the online education system, the students should learn to be ethical and integral as it enables the students and their teachers to be creative, free to create ideas, and acknowledge others' work.
Ethics teaches the students to develop their personalities and behavior. Students' integrity allows them to be honest, responsible, and fair towards their work and instructor.
Therefore, option A. online learning students must be taught to be ethical.
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Answer:
-the reasons why they should be ethical
-how to communicate professionally
Explanation:
I / a / caught / when / was / on / disease / holiday / I
Answers
Answer:
Ig it'd be - I caught a disease when i was on a holiday.
Which categories format cells? Check all that apply. currency percentage data month date text
Answers
Answer:
currency
percentage
date
text
Explanation:
The category of format cells are currency, percentage, data, month, date, and text. The all options are correct.
What is Format Cells dialog box?In the Format Cells dialog box, you can configure the formatting options for your report objects.
For a row or column header and the values, you can format the number, font, alignment, border, and pattern.
The format cells command in Excel is used to change the formatting of cell numbers without changing the actual number.
We can change the number, alignment, font style, border style, fill options, and protection using the format cells. We can get to this option by right-clicking the mouse.
Currency, percentage, data, month, date, and text are examples of format cells.
Thus, all options are correct.
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Describe the fouy elements of every communication?
Answers
Four essential elements make up the communication process. These elements consist of encoding, transmission medium, decoding, and feedback.
Which four components make up the majority of communication systems?Sources, input transducers, transmitters, communication channel receivers, and output transducers are the basic components of a communication system.
What do the five components of communication mean?The communication process consists of five components: a sender, a message, a channel, a receiver, and a receiver's result. Someone who is willing to send a message is known as a sender. A message is an exact notion that the sender is trying to get through.
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Which company introduce the first Minicomputer in 1960.
Answers
Answer:
the first minicomputer was introduce by digital equipment coroporation (DEC)after these IBM corporation also minicomputer for example PDP–11
Answer:
Digital Equipment Corporation (DEC)
Explanation:
The Digital Equipment Corporation company introduced the first Minicomputer in 1960.
PDP-1 was the world's first minicomputer, introduced in 1958.
Aswer asap
Give two importance of hashing
Answers
2. Hashes aren’t used to encrypt any sort of data.
A _____ address directs the frame to the next device along the network.
Answers
Answer:
When sending a frame to another device on a remote network, the device sending the frame will use the MAC address of the local router interface, which is the default gateway.
An unicast address directs the frame to the next device along the network.
What is network?
A computer network is a group of computers that share resources on or provided by network nodes. To communicate with one another, the computers use standard communication protocols across digital linkages. These linkages are made up of telecommunication network technologies that are based on physically wired, optical, and wireless radio-frequency means and can be configured in a number of network topologies.
The term "unicast" refers to communication in which a piece of information is transferred from one point to another. In this situation, there is only one sender and one receiver.
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What's the name of the command that shows the outline of the sprite collider?
Answers
Note that the name of the command that shows the outline of the sprite collider is dependent on the game engine that is being used.
How is this so?You may activate the collider outline in Unity, for example, by choosing the sprite in the Scene view and then pressing the "Show Collider" button in the Sprite Renderer component's settings. The method may differ in various gaming engines or applications, and the command may have an alternative name.
Select the Sprite and open the Sprite Editor (click Sprite Editor in the Inspector window) to access Sprite Collider. Select Edit Outline from the Sprite Editor drop-down menu in the top left.
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8
Drag each tile to the correct location. Not all tiles will be used.
Complete the code for defining a table using the correct tags.
Name
Age
Jill Smith
50
94
Eve Jackson
Answers
Match the president name and he expanded:
Franklin Roosevelt: Used veto power for political reasons.Harry Truman: Bypassed Congress to declare war in Korea.Andrew Jackson: presidential power, Issued the most, Executive orders.On March 15, 1767, Andrew Jackson was born; he passed away on June 8, 1845. He was to stand in for the "corrupt bargain" that, in his opinion, cost him the presidency and gave him the drive to win the next election no matter what.
According to the various president are the various decision. The president is the used of the power to take the decision.
Franklin Roosevelt: The veto power and the political reasons.
Harry Truman: The used right to declare war in Korea.
Andrew Jackson: president power, executive orders.
As a result, the significance of the Andrew Jackson are the aforementioned.
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The question seems to be incomplete, the complete question will be:
Drag the tiles to the correct boxes to complete the pairs.
Match each president’s name to the correct description of how he expanded.
Franklin Roosevelt, Harry Truman, Andrew Jackson
presidential power.
Issued the most
executive orders
Used veto power for
political reasons
Bypassed Congress to
declare war in Korea
Directions: Read the article about IRS and Tax Scams. Then write a well-thought-out and well-written summary of the article on page 2. To get full credit, your summary must be at least 1 paragraph. Check your punctuation - spelling & grammar counts!!!!
Every year, the bad guys take advantage of innocent taxpayers, like you, who are patiently waiting on their tax returns.
Last year, the IRS noticed a significant increase in phishing attempts to steal money or tax data, therefore you must be on high alert.
How it Happens: Tax Scams and Malicious Activity
The bad guys have a number of tax-related tricks up their sleeves when it comes to stealing your money and/or sensitive information. Here are a few examples of sophisticated tax scams that have been found in the wild:
Scammers send emails posing as tax service companies by spoofing emails and using stolen logos. Once you respond to the email with personal data or tax information, they can pocket your hard-earned money. Similar to the scam above, the bad guys send look-alike emails containing hyperlinks that lead you to malicious websites or fake PDF attachments that download malware or viruses to your computer.
Tax scams aren’t limited to emails! Be on the lookout for callers posing as IRS representatives claiming you owe money that must be paid immediately. The callers typically threaten arrests, deportation, or suspension of business or driver’s license.
Keep in mind, these are only a few examples and these scam artists are constantly coming up with new ways to fool you.
How Do I Know It's a Scam?
Always remember the following during tax season, and all year long:
The IRS will always mail a bill before calling you about taxes owed.
The IRS will never ask for credit or debit card numbers over the phone.
The IRS will never immediately threaten to arrest you for not paying taxes owed.
The IRS will always offer the opportunity to question or appeal the amount owed before demanding your payment.
The IRS does not use emails or text messages to discuss personal tax matters, such as taxes owed or tax refunds. Only share sensitive data over email when there is no other alternative and you’re certain the recipient is valid.
Answers
Answer:
ohhh okkaayyy
Explanation:
Find the error in the following pseudocode.
Module main()
Declare Real mileage
Call getMileage()
Display "You've driven a total of ", mileage, " miles."
End Module
Module getMileage()
Display "Enter your vehicle’s mileage."
Input mileage
End Module
Answers
Answer:
Following are the error in the given program are explain in the explanation part .
Explanation:
The main() function call the function getMileage() function after that the control moves to the getMileage() definition of function. In this firstly declared the "mileage" variable after that it taking the input and module is finished we see that the "mileage" variable is local variable i,e it is declared inside the " Module getMileage() " and we prints in the main module that are not possible to correct these we used two technique.
Technique 1: Declared the mileage variable as the global variable that is accessible anywhere in the program.
Technique 2: We print the value of "mileage" inside the Module getMileage() in the program .