1. Which of the following is known as the brain of a computer?
Correct Answer:
B. CPU
Explanation: The CPU is commonly called the brain of the computer because it processes instructions and controls operations.
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Computer Awareness Quiz Set 3 – कंप्यूटर ज्ञान
कंप्यूटर के मूल सिद्धान्त, हार्डवेयर-सॉफ्टवेयर, इंटरनेट, MS Office और शॉर्टकट पर आधारित प्रश्न। बैंकिंग, SSC और अन्य परीक्षाओं के लिए। कुल 20 प्रश्न · समय 14 मिनट · स्तर: Easy।
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Practice Questions & Answers
Try each question and reveal the correct answer when you are ready.
2. Which of the following is an output device?
Correct Answer:
A. Monitor
Explanation: A monitor is an output device that displays information processed by the computer.
3. What is the full form of RAM?
Correct Answer:
D. Random Access Memory
Explanation: RAM stands for Random Access Memory. It temporarily stores data and programs currently being used.
4. Which type of memory is volatile?
Correct Answer:
B. RAM
Explanation: RAM is volatile memory because its contents are lost when the computer is powered off.
5. What is the full form of ROM?
Correct Answer:
B. Read Only Memory
Explanation: ROM stands for Read Only Memory and generally stores data that is retained even when power is removed.
6. Which device is commonly used to move the pointer on a computer screen?
Correct Answer:
A. Mouse
Explanation: A mouse is a pointing input device used to control the pointer on the screen.
7. Which of the following is a storage device?
Correct Answer:
C. Hard Disk
Explanation: A hard disk is a storage device used to store data and programs.
8. What is the full form of USB?
Correct Answer:
D. Universal Serial Bus
Explanation: USB stands for Universal Serial Bus, a standard used to connect devices and transfer data.
9. Which software manages computer hardware and other software?
Correct Answer:
D. Operating System
Explanation: An operating system manages hardware resources and provides a platform for running applications.
10. Which of the following is an operating system?
Correct Answer:
D. Windows
Explanation: Windows is an operating system developed by Microsoft.
11. Which company developed the Windows operating system?
Correct Answer:
C. Microsoft
Explanation: Microsoft developed the Windows operating system.
12. Which of the following is an example of application software?
Correct Answer:
D. Microsoft Word
Explanation: Microsoft Word is application software used for creating and editing documents.
13. What is the shortcut key for pasting copied content?
Correct Answer:
C. Ctrl + V
Explanation: Ctrl + V is used to paste copied or cut content.
14. What is the shortcut key for saving a document?
Correct Answer:
C. Ctrl + S
Explanation: Ctrl + S is commonly used to save a document or file.
15. What is the shortcut key for undoing the last action?
Correct Answer:
A. Ctrl + Z
Explanation: Ctrl + Z is commonly used to undo the last action.
16. What is the shortcut key for selecting all content?
Correct Answer:
A. Ctrl + A
Explanation: Ctrl + A selects all available content in the current application or field.
17. What does WWW stand for?
Correct Answer:
B. World Wide Web
Explanation: WWW stands for World Wide Web.
18. What is the full form of URL?
Correct Answer:
A. Uniform Resource Locator
Explanation: URL stands for Uniform Resource Locator and identifies the address of a resource on the internet.
19. Which of the following is a web browser?
Correct Answer:
C. Google Chrome
Explanation: Google Chrome is a web browser used to access websites and web applications.
20. Which of the following is a search engine?
Correct Answer:
B. Google
Explanation: Google is a search engine used to find information on the internet.
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