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. Which among the following is the most common source of Viruses to the hard disk of your computer?
[A] Incoming Email
[B] Outgoing Email
[C] CD ROMs
[D] Websites
Show Answer
Correct Answer: A [Incoming Email ]
Notes:
Incoming emails is the most common source of Viruses to the hard disk of a computer. Hackers are using e mail for attacking a computer. The incoming email is the most vulnerable way.
3. While working on Microsoft Word, which among the following is the command for “Undo”?
[A] Cntrl +A
[B] Cntrl +Z
[C] Cntrl +Y
[D] Cntrl +C
Show Answer
Correct Answer: B [Cntrl +Z ]
Notes:
Undo is an interaction technique which is implemented in many computer programs. Cntrl +Z is the is for Undo in Microsoft word.
4. “Internet escrow ” is a term most commonly related to which of the following?
[A] E-commerce
[B] Software Development
[C] Privacy Security
[D] Database Management
Show Answer
Correct Answer: A [E-commerce]
Notes:
Escrow is a financial instrument whereby an asset is held by a third party on behalf of two other parties that are in the process of completing a transaction. E commerce hold the asset of a merchant before it is sold to a customer. So it is Internet escrow.
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. Which of the following is a single integrated circuit on which a CPUs are typically constructed?
[A] Microprocessor
[B] Memory
[C] Motherboard
[D] Hard Disk
Show Answer
Correct Answer: A [Microprocessor]
Notes:
CPUs are typically constructed on a single integrated circuit known as the microprocessor.
7. 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.
8. What kind of data is processed by an analog computer?
[A] Discrete Data
[B] Intermittent Data
[C] Discretely varying Data
[D] Continuously varying Data
Show Answer
Correct Answer: D [Continuously varying Data]
Notes:
An analog computer is the one which is used to process continuously varying data. This changeable yet continuous data is generally referred to as the analog data.
9. Who has conceived the first automatic digital computer?
[A] Blaise Pascal
[B] Gottfried Leibniz
[C] Charles Babbage
[D] George Boole
Show Answer
Correct Answer: C [Charles Babbage]
Notes:
English inventor Charles Babbage is credited with the being the first one to conceive a successful first automatic digital computer.
10. 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.
