Computer Awareness MCQs and Quiz for Banking, IBPS, RRB, RBI, SBI Exams
Computer Awareness Questions and Quiz for Banking, IBPS, RRB, RBI, SBI, NABARD examinations of 2020-2021. Computer Awareness MCQs for Competitive Exams. GKToday Computer Awareness for IBPS PO, IBPS Clerk, Bank PO, Bank Clerk and other entrance / competitive examinations.
11. In a book of which author was the word computer first mentioned?
[A] Mark Twain
[B] Sherlock Holmes
[C] Richard Braithwait
[D] Enid Blyton
Show Answer
Correct Answer: C [Richard Braithwait]
Notes:
As per the Oxford English Dictionary, the word “computer” was first used in 1613 in a book called The Yong Mans Gleanings by English writer Richard Braithwait.
12. Which of the following is not the basic capability of a computer?
[A] Speed
[B] Accuracy
[C] Prediction
[D] Processing
Show Answer
Correct Answer: C [Prediction]
Notes:
The basic functions of a computer include speed, accuracy, reliability, adaptability and storage. A computer cannot make predictions by itself. It can only make assessments based on the data which is fed into it.
13. What kind of information each of the electrical circuits represents?
[A] Arithmetic
[B] Tertiary
[C] Binary
[D] Quaternary
Show Answer
Correct Answer: C [Binary]
Notes:
Each circuit represents a bit (binary digit) information. When the circuit is on, it represents a “1” and a “0” when it is off in a positive logic representation.
14. 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.
15. Which of the following are related to finding information from the RAM?
[A] Memory Buffer Register
[B] Memory Data Register
[C] Memory Address Register
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
All three i.e. Memory Buffer Register, Memory Data Register and Memory Address Register represent a collection of storage registers which are located on separate chips from CPU. They all fetch information from memory.
16. 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.
17. Who had discovered the Boolean algebra?
[A] George Boole
[B] Charles Babbage
[C] Augusta Ada Byron
[D] Herman Hollerith
Show Answer
Correct Answer: A [George Boole]
Notes:
Englishman, George Boole had invented a new branch of mathematics called the Boolean algebra. Boolean algebra and the binary code help modern computers to make simple decisions by comparison of long strings of zeroes.
18. What was the name of the first vacuum tube invented by Lee de Forest in 1906?
[A] Colossus
[B] Leedion
[C] Audion
[D] Radion
Show Answer
Correct Answer: C [Audion]
Notes:
Audion was the first vacuum tube invented in 1906 by Lee de Forest. It was the size of a person’s thumb and glowing red hot like a tiny electric light bulb. This bagged him the nickname as “the father of radio”.
19. What was the special feature of the Apple Lisa computer launched in 1983?
[A] Windows XP
[B] GUI Desktop
[C] DOS
[D] Front Panel with Red Lights
Show Answer
Correct Answer: B [GUI Desktop]
Notes:
Steve Jobs launched the Apple Lisa in 1983 which was the first widely available computer with a GUI desktop. It was Jobs own version of the Alto project.
20. In which computer was magnetic core memory first demonstrated?
[A] Manchester baby
[B] Ferranti I
[C] IBM 650
[D] Whirlwind Computer
Show Answer
Correct Answer: D [Whirlwind Computer]
Notes:
The first use of magnetic core was demonstrated in the Whirlwind Computer in 1953. Soon after that commercial production of the same began and it was seen in IBM 704 and Ferranti Mercury.
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