Computers and IT MCQs
Computer Awareness Questions and Quiz for Banking, IBPS, RRB, RBI, SBI, NABARD examinations of 2024-2025. Computer Awareness MCQs for Competitive Exams. GKToday Computer Awareness for IBPS PO, IBPS Clerk, Bank PO, Bank Clerk and other entrance / competitive examinations.
1. Any piece of data can be returned in a constant time, regardless of its physical location and whether or not it is related to the previous piece of data using which of the following?
[A] RAM
[B] ROM
[C] CPU
[D] Network interface card
Show Answer
Correct Answer: A [RAM]
Notes:
Random-access memory or RAM is a form of computer memory which is used to store the working data and machine code. The RAM make sure the data is returned instantly when asked for.
2. An Autoresponder is a_______on mail server that automatically replies to e-mails?
[A] command
[B] Software
[C] Program
[D] None of these
Show Answer
Correct Answer: C [Program]
Notes:
An autoresponder is a computer program that automatically answers e-mail sent to it. They can be very simple or quite complex. The first autoresponders were created within mail transfer agents that found they could not deliver an e-mail to a given address.
3. Which among the following is NOT a search engine?
[A] Google
[B] Baidu
[C] Wolfram Alfa
[D] Yahoo
Show Answer
Correct Answer: C [Wolfram Alfa ]
Notes:
Wolfram Alfa is a computational knowledge engine or answer engine and not a search engine. Goodle, Baidu and yahoo are the search engines as a person can search anything on web using these.
4. When were the first digital electronic calculating machines developed?
[A] During Industrial Revolution
[B] During World War I
[C] During World War II
[D] During Cold War
Show Answer
Correct Answer: C [During World War II]
Notes:
During the Industrial Revolution, some mechanical devices were built to automate long and difficult tasks. The first digital electronic calculating machines were developed during World War II.
5. Which of the following can change the sequence of instructions to be fetched by the processor?
[A] Jumps
[B] Subroutine Calls
[C] Returns
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
Processors usually get instructions from memory but the sequence is usually changed by placing of a new value in the PC like branches also called jumps, subroutine calls and returns.
6. Who had developed a computer named “Woz” described as the hacker’s hacker?
[A] Steve Wozniack
[B] Ed Roberts
[C] Steve Jobs
[D] Federico Faggin
Show Answer
Correct Answer: A [Steve Wozniack]
Notes:
Steve Wozniak was a Californian electronics wizard, had developed a computer of his own named “Woz” often described as the hacker’s hacker.
7. In which of the following applications are analog computers used?
[A] Measurement of Electric Current
[B] Measurement of Frequency
[C] Measurement of Resistance of a Capacitor
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
An Analog computer is used in a variety of industrial and scientific applications like measurement of electric current, measurement of frequency and also resistance of a capacitor.
8. Who had build the first electronic digital computer?
[A] George Boole
[B] Charles Babbage
[C] John Atanasoff
[D] Cliff Berry
Show Answer
Correct Answer: C [John Atanasoff]
Notes:
John V. Atanasoff who is an Ameican mathematician and also a physicist built the first electronic digital computer.
9. 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.
10. What is the job of the Mother Board?
[A] Sends power to all the components
[B] Holds all the circuits and components together
[C] Displays information
[D] Tells the computer what to do
Show Answer
Correct Answer: B [Holds all the circuits and components together]
Notes:
A motherboard is the circuit board found in general purpose microcomputers . It holds and allows communication between many of the crucial electronic components of a system, such as the central processing unit and memory, and provides connectors for other peripherals.
