1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
inessss [21]
4 years ago
14

What is the purpose of system calls, and how do system calls relate to the OS and to the concept of dual-mode (kernel-mode and u

ser-mode) operation?
Computers and Technology
1 answer:
barxatty [35]4 years ago
4 0

Answer:

With the use of API.

Explanation:

The computer system is an electronic device that comprises of the interaction of the hardware and software components of its system. The software component of the system controls all activities of the hardware and other application software interface.

The operating system is that software in the system that controls all system activities. It uses the kernel interface to connect directly to the hardware and create a platform for running application or user softwares.

The user software is used to run one specific task on the system. Sometimes, it seeks to kernel mode from the operating system, to use a hardware component, by the use of API or application program interface.

You might be interested in
Tips for being confident and entertaining when presenting?
Mkey [24]
Okay, before you go on, do some power poses. standing with your arms up or your legs spread for like 10 minutes can greatly improve your mood. if you're in a classroom though, and can't do that, I would recommend making sure you have good posture while waiting to go up, and keep a smile on your face the whole time! even long before you start. smiling can increase your happiness a whole lot, so make sure you do it! also before the presentation, make sure you drink plenty of water (a gallon a day for the average adult) and get enough sleep. when preparing for your presentation, don't try to memorize the words you're going to say, (especially not if you'll have a reference like a paper or a slideshow) but memorize the ideas you want to convey. if you've written a speech, don't practice the speech exactly, practice conveying the ideas in it without reading from it. The worst thing you can do during a presentation is just stand there and read. Make sure you make eye contact and don't speak in monotone, tell a story with your presentation, don't just give information. if you need help being confident, I would suggest listening to some of your favourite music or some inspiring speeches (which you can find real easy on google<span>) to make you feel good about yourself. If you are having troubles with stage fright, or being in front of people, the best thing I've ever done, is just pretend they aren't there. Pretend you're just talking to yourself in your bedroom, and it becomes a lot more easy to express yourself. and if none of that sort of stuff works, maybe take some nerve medicine, if you have it. </span>
3 0
3 years ago
Name and define (or list the set that defines) three of the four common data types in programming
aliina [53]

In Computer programming, there are four (4) common data types and these include:

  1. Integer type (int):
  2. Floating point type (float)
  3. Boolean (bool)
  4. String (str)

<h3>The kinds of data type.</h3>

In Computer programming, there are four (4) common data types and these include:

  • <u>Integer type (int):</u> it is used for storing whole numbers such as 1, 2, 3, 4, ..... 2,147,483,647.

  • <u>Floating point type (float):</u> it is used for defining real numbers that have a decimal point such as 0.009, 9.87, 5.6, etc.

  • <u>Boolean (bool):</u> it allow users to combine keywords with Boolean operators (quotes, AND, OR, near/n) as either true or false.

  • <u>String (str):</u> it is used for data values that are made up of ordered sequences of characters.

Read more on a data types here: brainly.com/question/25619349

3 0
2 years ago
Enables businesses and consumers to share data or use software applications directly from a remote server over the Internet or w
Sindrei [870]

Answer:

Cloud Computing        

Explanation:

Cloud Computing is basically an infrastructure to deliver various computing resources and services  to the users online (via Internet). These resources include networks, applications, servers, databases, software, storage etc.

These services are mostly utilized by organizations for recovery and backup of data, using virtual hardware and other computing resources such as desktops, memory etc. Cloud computing is also used for developing software, for securing data by providing with access control and for storing bulk of data.

The benefits of cloud computing are as following:

Because of cloud computing the customers do not have to buy hardware or install software on their computer which might be very costly to maintain and update. Servers and data centers are provided by cloud service providers and experts are available for managing the services and resources.

These services are scalable and can be adjusted as per the users requirements.

Cloud computing offers a variety of protocols, tools, and access controls that improve security and protects confidential data, applications, and networks against security threats and attacks. It also provides with data backup, disaster recovery.

5 0
3 years ago
What character separates the file extension and the filename?
PtichkaEL [24]
A period, Filenamehere.png or .pdf or any other file extension
5 0
3 years ago
Read 2 more answers
Input two numbers and print their sum products difference division and remainder​
likoan [24]

\tt n1=int(input("Enter\: first\:no:"))

\tt n2=int(input("Enter\: second\:no:"))

\tt sum=n1+n2

\tt diff=n1-n2

\tt pdt=n1*n2

\tt div=n1//n2

\tt rem=n1\%n2

\tt print("Sum=",sum)

\tt print("Difference=",diff)

\tt print("Product=",pdt)

\tt print ("Division=",div)

\tt print("Remainder=",rem)

Output:-

Enter first no:4

Enter second no:3

Sum=7

Difference=1

Product=12

Division=1

Remainder=1

7 0
2 years ago
Other questions:
  • What is the formula equivalent to the function =SUM(B1:B5)?
    11·2 answers
  • True or false words spelling and grammar check is always %100
    7·2 answers
  • Which one of these do not belong on the Do's list in Helpful Hints when preparing a presentation: Which one of these do not belo
    8·1 answer
  • Can someone help me to give this guy brainliest the button is not there
    8·1 answer
  • Write an algorithm to determine a students final grade and indicate whether it is passing or failing .the final grade is calcula
    12·1 answer
  • Why laptop computer is called micro computer?​
    8·1 answer
  • Create a program in Python that prompts the user to enter an integer number within the range of 1 to 10 inclusive. The program s
    15·2 answers
  • 2.
    11·1 answer
  • What is the output for this program?
    12·1 answer
  • If your cell phone rings while you are driving and you do not have a hands-free device you should
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!