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. Which among the following is correct about 4GL?
[A] A computer brand
[B] A software brand
[C] A software program
[D] A programming language
Show Answer
Correct Answer: D [A programming language ]
Notes:
4GL means fourth-generation programming language.
2. First microprocessors were used in which of the following?
[A] Computers
[B] Calculators
[C] Telephones
[D] Printers
Show Answer
Correct Answer: B [Calculators]
Notes:
The first microprocessors that emerged in the early 1970s were used for electronic calculators, using binary-coded decimal (BCD) arithmetic on 4-bit words.
3. What would be the number of bytes, transferred at the rate of 1 Kilobit per second?
[A] 100
[B] 108
[C] 125
[D] 140
Show Answer
Correct Answer: C [125]
Notes:
kilobit per second (symbol kbit/s or kb/s, often abbreviated “kbps”) is a unit of data transfer. The rate equal to 1,000 bits per second. It is 125 bytes per second.
4. Which among the following is a high-level language used to develop software applications in compact, efficient code that can be run on different types of computers with minimal change?
[A] FORTRAN
[B] C
[C] COBOL
[D] ALGOL
Show Answer
Correct Answer: C [COBOL]
Notes:
COBOL is a high level labguage used to develop software applications in compact. It is compiled English-like computer programming language designed for business use. It object-oriented since 2002.
5. “Don’t be evil” was the informal corporate motto of which of the following internet giants?
[A] google
[B] Yahoo
[C] Microsoft
[D] Baidu
Show Answer
Correct Answer: A [google]
Notes:
“Don’t be evil” was used in Google’s corporate code of conduct and was considered to be an informal motto. However, it has been removed now off the code of conduct.
6. 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.
7. Which of the following devices incorporated a mechanical calendar computer?
[A] Astrolabe
[B] Gear-wheels
[C] Abacus
[D] Gear-train
Show Answer
Correct Answer: A [Astrolabe]
Notes:
The astrolabe was invented in the Hellenistic world by Hipparchus. The astrolabe incorporated a mechanical calendar computer.
8. Which of the following is the first example of an electromechanical relay computer?
[A] Differential Analyzer
[B] Torpedo Data Computer
[C] Z2
[D] Jacquard Loom
Show Answer
Correct Answer: C [Z2]
Notes:
The Z2, created by a German Engineer Konrad Zuse in 1939, was one of the foremost examples of an electromechanical relay computer.
9. A communication system which transfers data between the components inside a computer or even between computers is known as
[A] Bus
[B] Wire
[C] Knot
[D] Line
Show Answer
Correct Answer: A [Bus]
Notes:
In computer architecture, a bus is a communication system which transfers data between the components inside a computer or even between computers.
10. 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.
