Computer Awareness Question and Answers. Many competitive exams are giving major importance to Computer Awareness in order to look the knowledge of an individual in computer field such as it’s hardware and working.
Computer Awareness Quiz Details
| Quiz Name | Computer Awareness |
| Category | Gk Quiz |
| Number of Questions | 25 |
| Time | 30 Minutes |
| Exam Type | MCQ (Multiple Choice Questions) |
Computer Awareness Questions and Answers
1. What does RAM stand for?
a) Random Access Memory
b) Read-Only Memory
c) Random Access Module
d) Read-Write Memory
Answer: a) Random Access Memory
Explanation: RAM is a type of computer memory that can be accessed randomly, meaning any byte of memory can be accessed without touching the preceding bytes.
2. What is the function of a CPU?
a) To store data
b) To display images on the screen
c) To process data
d) To provide internet connectivity
Answer: c) To process data
Explanation: The CPU (Central Processing Unit) is responsible for carrying out the instructions of computer programs, performing calculations, and managing data flow between the computer’s other components.
3. What is a motherboard?
a) A device used for data storage
b) A computer display device
c) The main circuit board of a computer
d) A device used to connect to the internet
Answer: c) The main circuit board of a computer
Explanation: The motherboard is the central printed circuit board (PCB) in a computer, which connects and facilitates communication between all other computer components.
4. What is an operating system?
a) A software program that runs on a computer and allows the user to perform specific tasks
b) The physical components of a computer system
c) The software that manages computer resources and provides common services for computer programs
d) The process of creating and managing computer programs
Answer: c) The software that manages computer resources and provides common services for computer programs
Explanation: An operating system is the software that manages computer hardware resources and provides common services for computer programs. Examples of operating systems include Windows, MacOS, and Linux.
65. What is a mouse?
a) A device used to input data into a computer
b) A storage device used for long-term data storage
c) A device used to display images on a screen
d) A device used to connect to the internet
Answer: a) A device used to input data into a computer
Explanation: A mouse is a pointing device that is used to move a cursor on a computer screen, allowing the user to interact with software and input data.
6. What is a keyboard?
a) A storage device used for long-term data storage
b) A device used to display images on a screen
c) A device used to input data into a computer
d) A device used to connect to the internet
Answer: c) A device used to input data into a computer
Explanation: A keyboard is a device that is used to input data into a computer, typically consisting of a set of keys that correspond to letters, numbers, and symbols.
7. What is a hard drive?
a) A type of computer memory
b) A device used for data storage
c) The main circuit board of a computer
d) A device used to display images on a screen
Answer: b) A device used for data storage
Explanation: A hard drive is a device used to store and retrieve digital information, typically consisting of spinning magnetic disks and read/write heads that access data stored on those disks.
8. What is a USB port?
a) A type of computer memory
b) A device used for data storage
c) A physical connector on a computer used to connect external devices
d) A device used to display images on a screen
Answer: c) A physical connector on a computer used to connect external devices
Explanation: A USB (Universal Serial Bus) port is a type of connector on a computer used to connect external devices, such as flash drives, keyboards, and mice.
9. What is a modem?
a) A device used to input data into a computer
b) A device used to connect to the internet
c) A device used for data storage
d) A device used to display images on a screen
Answer: b) A device used to connect to the internet
Explanation: A modem is a device that allows a computer to connect to the internet through a telephone line, cable line, or other communication channel.
10. What is a firewall?
a) A hardware device used to protect a computer network from unauthorized access
b) A software program used to manage computer resources
c) A device used to display images on a screen
d) A device used to input data into a computer
Answer: a) A hardware device used to protect a computer network from unauthorized access
Explanation: A firewall is a hardware or software device that helps protect a computer network from unauthorized access by controlling incoming and outgoing network traffic.
11. What is a browser?
a) A software program used to manage computer resources
b) A device used to display images on a screen
c) A device used to input data into a computer
d) A software program used to access and view websites on the internet
Answer: d) A software program used to access and view websites on the internet
Explanation: A browser is a software program used to access and view websites on the internet, allowing the user to browse and interact with web content.
12. What is a virus?
a) A type of computer memory
b) A device used for data storage
c) A software program that can replicate itself and spread to other computers
d) A device used to display images on a screen
Answer: c) A software program that can replicate itself and spread to other computers
Explanation: A virus is a type of malware (malicious software) that can replicate itself and spread to other computers, often causing damage to the infected computer.
13. What is a cache?
a) A type of computer memory
b) A device used for data storage
c) A software program used to manage computer resources
d) A device used to display images on a screen
Answer: a) A type of computer memory
Explanation: A cache is a type of computer memory used to store frequently accessed data, allowing for faster access to that data than retrieving it from the computer’s main memory.
14. What is an IP address?
a) A software program used to manage computer resources
b) A device used to input data into a computer
c) A unique identifier assigned to each device on a network
d) A device used to display images on a screen
Answer: c) A unique identifier assigned to each device on a network
Explanation: An IP (Internet Protocol) address is a unique identifier assigned to each device on a network that uses the internet protocol for communication, allowing those devices to communicate with one another over a network.
15. What is a router?
a) A device used to input data into a computer
b) A device used to display images on a screen
c) A hardware device used to connect multiple devices to a network and manage network traffic
d) A software program used to manage computer resources
Answer: c) A hardware device used to connect multiple devices to a network and manage network traffic
Explanation: A router is a hardware device used to connect multiple devices to a network and manage network traffic, allowing those devices to communicate with one another over a network.
16. Which of the following is not an example of an operating system?
a) Windows
b) Linux
c) Google Chrome
d) macOS
Answer: c) Google Chrome
Explanation: An operating system is a software that manages a computer’s hardware and provides common services for computer programs. Windows, Linux, and macOS are all examples of operating systems. Google Chrome, on the other hand, is a web browser that allows users to access and view web pages on the internet.
17. What is a WAN?
a) A local area network used to connect devices within a small geographic area
b) A global network used to connect devices across the internet
c) A type of computer memory
d) A device used for data storage
Answer: b) A global network used to connect devices across the internet
Explanation: A WAN (Wide Area Network) is a network that spans a large geographic area, often connecting devices across cities, countries, or even continents.
18. What is a server?
a) A software program used to manage computer resources
b) A device used to display images on a screen
c) A hardware device used to store and manage data or provide services to other devices on a network
d) A device used to input data into a computer
Answer: c) A hardware device used to store and manage data or provide services to other devices on a network
Explanation: A server is a hardware device used to store and manage data or provide services to other devices on a network, such as hosting websites, storing files, or managing network resources.
19. What is cloud computing?
a) A type of computer memory
b) A device used for data storage
c) A model of computing where data and services are accessed over the internet rather than on local devices
d) A device used to display images on a screen
Answer: c) A model of computing where data and services are accessed over the internet rather than on local devices
Explanation: Cloud computing is a model of computing where data and services are accessed over the internet rather than on local devices, allowing for greater flexibility, scalability, and accessibility.
20. What is encryption?
a) A method of disguising data to protect it from unauthorized access
b) A device used for data storage
c) A type of computer memory
d) A software program used to manage computer resources
Answer: a) A method of disguising data to protect it from unauthorized access
Explanation: Encryption is a method of disguising data to protect it from unauthorized access, typically using complex algorithms to transform the data into a form that can only be accessed with a specific key or password.
21. What is malware?
a) A device used to input data into a computer
b) A software program used to manage computer resources
c) A type of computer memory
d) Malicious software that is designed to damage, disrupt, or gain unauthorized access to a computer system
Answer: d) Malicious software that is designed to damage, disrupt, or gain unauthorized access to a computer system
Explanation: Malware is a type of software that is designed to damage, disrupt, or gain unauthorized access to a computer system, often causing harm to the user or their data.
22. What is a cookie?
a) A device used for data storage
b) A type of computer memory
c) A software program used to manage computer resources
d) A small text file that is stored on a user’s computer by a website, allowing the website to remember user preferences and activity
Answer: d) A small text file that is stored on a user’s computer by a website, allowing the website to remember user preferences and activity
Explanation: A cookie is a small text file that is stored on a user’s computer by a website, allowing the website to remember user preferences and activity, such as login information or browsing history.
23. What is a backup?
a) A type of computer memory
b) A device used for data storage
c) A software program used to manage computer resources
d) A copy of data that is stored separately from the original, used to restore the original data in case of loss or damage
Answer: d)
Explanation: A copy of data that is stored separately from the original, used to restore the original data in case of loss or damage
24. What is a firewall?
a) A type of computer memory
b) A device used for data storage
c) A software program used to manage computer resources
d) A security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules
Answer: d) A security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules
Explanation: A firewall is a security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules, blocking unauthorized access or potential threats.
25. Which programming language is used to create web pages?
a) Python
b) HTML
c) C++
d) Java
Answer: b) HTML
Explanation: HTML (Hypertext Markup Language) is the standard markup language used to create web pages. It is a simple language that is used to structure content and add elements such as images, links, and forms. The other options, such as Python, C++, and Java, are all programming languages, but they are not specifically designed for creating web pages.
