Prepare for the OSSC CGL with these Top 30 Computer Awareness MCQs, designed to enhance your knowledge. Covering fundamental concepts in computing, from hardware to software and beyond, these questions aim to sharpen your understanding and boost your confidence. Whether you’re familiarizing yourself with basic terminology or delving into more advanced topics, this curated set ensures comprehensive preparation. Master concepts like operating systems, networking, and data structures, vital for success in the OSSC CGL examination. Elevate your computer awareness proficiency and ace the test with ease.
Top 30 Computer Awareness MCQs For OSSC CGL
Q1. Which one is the world’s first electric computer?
EDVAC
UNIVAC
ENIAC
All of the above
ANSWER: ENIAC
Explanation: The ENIAC (Electronic Numerical Integrator and Computer) is generally considered the world’s first electronic general-purpose computer, completed in 1945.
Q2. Which one of the following is the commonly used pointing input device?
Mouse
Touchpad
Touchscreen
Scanner
ANSWER: Mouse
Q3. It is the main type of software
Application software
System software
Utility software
All of the above
ANSWER: All of the above
Q4. From which language is the word “computer” derived?
Spanish
English
Latin
Greek
ANSWER: Latin
Q5. Which one of the following is true for RAM?
It is volatile memory
It is temporary memory
It is primary memory
All of the above
ANSWER: All of the above
Q6. What is the difference between memory and storage?
Memory is slow and storage is fast
Memory is temporary and storage is permanent
Memory is permanent and storage is temporary
Memory is non-volatile and storage is volatile
ANSWER: Memory is temporary and storage is permanent
Q7. The type of software which is distributed free but the user has to pay some amount for further use is
Rentalware
Public domain software
Freeware
Shareware
ANSWER: Shareware
Explanation: Shareware is software that is distributed for free initially but requires payment after a trial period or for additional features.
Q8. Information is derived from the raw fact
Data
Input
Information
Message
ANSWER: Data
Q9. What is used to see the output?
Joystick
Monitor
Mouse
All of the above
ANSWER: Monitor
Q10. Which one of the following, when used as a central computer, holds a collection of data and programs for many PCs, workstations, and other computers?
Server
Laptop
Supercomputer
Minicomputer
ANSWER: Server
Q11. The operation of a computer is controlled by
Memory system
Controlling system
Operating system
Processing system
ANSWER: Operating system
Q12. Which one of the following is the microprocessor-based computing device?
Workstation
Personal computer
Server
Mainframe
ANSWER: Personal computer
Q13. When the computer is turned off, the content of which one of the following is lost?
Output
Storage
Memory
Register
ANSWER: Memory
Q14. What is the other name for external devices like printers, keyboards, and modems?
Peripherals
Extra hardware devices
Add-on devices
PC expansion slot add-ons
ANSWER: Peripherals
Q15. The other components of a computer system are directed to perform the tasks specified in the program instructions with the help of
Input unit
Control unit
ALU
System unit
ANSWER: Control unit
Q16. What is the use of a scanner?
To scan pictures
To scan text
To scan graphics
All of the above
ANSWER: All of the above
Q17. The permanent memory built into a computer is called
ROM
RAM
Floppy
CD-ROM
ANSWER: ROM
Q18. _______________ is not hardware
Interpreter
Printer
Mouse
Scanner
ANSWER: Interpreter
Q19. What does a computer do after gathering data, processing it, and sending the data to the output device?
Delete the data
Write the data
Hide the data
Stores the data
ANSWER: Stores the data
Q20. In a computer system, where is the processing done?
Monitor
CPU
RAM
ROM
ANSWER: CPU
Q21. A laser printer is an example of:
Output device
Input device
Memory device
Processing device
ANSWER: 1. Output device
Q22. Which one of the following components of a computer can be seen and touched?
CPU
Storage registers
Software
Hardware
ANSWER: 4. Hardware
Q23. On which component is the first generation of computers based?
ICs
Transistors
Conductor
Valves
ANSWER: 4. Valves
Q24. Who is known as the father of computers?
Grace Hoppers
Charles Babbage
Herman Hollerith
None of the above
ANSWER: 2. Charles Babbage
Q25. What is the data or information used to run the computer called?
Peripheral
Hardware
Software
CPU
ANSWER: 3. Software
Q26. Which type of computer is the fastest?
Supercomputer
Laptop
Workstation
Notebook
ANSWER: 1. Supercomputer
Q27. The computer does not perform the operation of:
Outputting
Understanding
Processing
Controlling
ANSWER: 2. Understanding
Q28. For logical operations or comparisons such as less than or equal to or greater than, _______________ is used.
ALU
Control unit
Memory unit
Input unit
ANSWER: 1. ALU
Q29. _______________ is not an input device.
Printer
Mouse
Scanner
Keyboard
ANSWER: 1. Printer
Q30. Which one of the following is an electronic device, operating under the control of information that can accept data, process the data, produce output, and store the results for future use?
Input
Hardware
Software
Computer
ANSWER: 4. Computer
