Computer Awareness
This section provides 100 questions on Computer Awareness for various competitive examinations in India.
A chapterwise course of 845 questions divided into 40 Chapters in Computer Awareness is Available in
GKToday’s Academy app for android mobiles.
1. What is the name of the digital circuit that performs arithmetic and logical operations in computers?
[A] Arithmetic Logic Unit
[B] Digital comparator
[C] Multiplexer
[D] None of these
Show Answer
Correct Answer: A [Arithmetic Logic Unit ]
2. What is the use of Digitizer as an input device?
[A] To Convert graphic and pictorial data into binary inputs
[B] To convert graphic and pictorial data into analog inputs
[C] Debuging
[D] None of the above
Show Answer
Correct Answer: A [To Convert graphic and pictorial data into binary inputs ]
3. Who is the founder of Wikipedia?
[A] Peer Schneider
[B] Byron Looper
[C] Rickard Eriksson
[D] Jimmy wales
Show Answer
Correct Answer: D [Jimmy wales]
4. When did the Online Etymology Dictionary first attested the use of the word “computer” as one who calculates?
[A] 1630s
[B] 1680s
[C] 1670s
[D] 1640s
Show Answer
Correct Answer: D [1640s]
Notes:
The Online Etymology Dictionary first attested the use of the word “computer” in the 1640s as one who calculates.
5. Which of the following is seen as the earliest mechanical analog computer?
[A] Tally Stick
[B] Antikythera mechanism
[C] Planisphere
[D] Astrolabe
Show Answer
Correct Answer: B [Antikythera mechanism]
Notes:
The Antikythera mechanism is believed to be the earliest mechanical analog computer. It was designed to calculate astronomical positions.
6. An analog computer uses an analog signal which is usually represented as what?
[A] Sine Wave
[B] Sine Curve
[C] Bell curve
[D] Cos Wave
Show Answer
Correct Answer: A [Sine Wave]
Notes:
An Analog computer uses an analog signal which can also be represented as a sine wave or a continuous wave which contains many time-varying quantities.
7. Who among the following is most likely to operate a personal computer?
[A] End-user
[B] Technician
[C] Software Engineer
[D] All of the above
Show Answer
Correct Answer: A [End-user]
Notes:
A personal computer is basically a multipurpose computer which is designed specifically for individual use. It is thus more likely to be used by an end-user.
8. Which of the following devices usually come with touchscreens?
[A] Nintendo Game Consoles
[B] Electronic Voting Machines
[C] Point of Sale Systems
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
A touchscreen is basically an input device which is present on top of an electronic visual display. It is found in devices like Nintendo Game Consoles, EVMs, Personal computers, POS systems.
9. Which of the following is the use of nano control memory ?
[A] Improve the speed of execution
[B] Reduce the overall control memory size
[C] Reduce the complexity of hardware
[D] None of the Above
Show Answer
Correct Answer: B [Reduce the overall control memory size]
Notes:
Nano-RAM is a computer memory technology . It is developed by Nantero. It is a type of nonvolatile random access memory. Nantero was founded in 2001, and headquartered in Woburn, Massachusetts.
10. Which of the following is the another name for the error or bug in software or hardware?
[A] Leech
[B] Squid
[C] Slug
[D] Glitch
Show Answer
Correct Answer: D [Glitch]
Notes:
A glitch is a short-lived fault in a system. Computer glitches are often only a temporary disruption. The most common causes are errors within the operating system and defects in a piece of software.
All
Computer Awareness questions are available in
GKToday’s Academy app in the form of a chapter wise course.
