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.
11. Which of the following includes Logic Operations?
[A] AND
[B] XOR
[C] NOT
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
Logic Operations involve Boolean logic: AND, OR, XOR and NOT. These are used for creating complicated conditional statements and processing boolean logic.
12. 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.
13. Which among of the following was the world’s first electronic stored-program computer?
[A] Colossus
[B] ENIAC
[C] Manchester Baby
[D] EDVAC
Show Answer
Correct Answer: C [Manchester Baby]
Notes:
The Manchester Baby was the world’s first electronic stored-program computer built at Victoria University of Manchester by Frederic C. Wiiliams.
14. Which of the following was the first commercially available computer?
[A] UNIVAC I
[B] IBM 5150
[C] IBM System/360
[D] Cray-1
Show Answer
Correct Answer: A [UNIVAC I]
Notes:
The UNIVAC I (UNIVersal Automatic Computer I) was the first commercially available computer, developed by J. Presper Eckert and John Mauchly at the University of Pennsylvania. It was first installed and used by the US Census Bureau in 1951. The machine was used mainly for governmental and scientific applications. It marked a significant step forward in computing technology, paving the way for the development of modern computing systems.
15. In what form is the data expressed in a digital computer?
[A] Binary
[B] Tertiary
[C] Primary
[D] Secondary
Show Answer
Correct Answer: A [Binary]
Notes:
Digital data works on various kinds of data which include magnitude, letters, symbols, etc. and are expressed in binary code i.e. using numbers only in two digits like 0 and 1.
16. What is the function of a digital component in a hybrid computer?
[A] Controller
[B] Storage
[C] Solver of Differential equations
[D] All of the above
Show Answer
Correct Answer: A [Controller]
Notes:
The digital component in a hybrid computer acts as a controller and provides logical and numerical operations.
17. Which of the following devices is used for video games, flight simulators, training simulators and for controlling industrial robots?
[A] Mouse
[B] Light pen
[C] Joystick
[D] Keyboards
Show Answer
Correct Answer: C [Joystick]
Notes:
Joystick is the device used for the same. It is a point-and-draw device. It has a click button, a stick, a ball, a socket as well as a light indicator.
18. Which are the input devices that enable direct data entry into a computer system from source documents?
[A] Data Scanning devices
[B] Data retrieving devices
[C] Data acquiring devices
[D] System Access devices
Show Answer
Correct Answer: A [Data Scanning devices]
Notes:
They are referred to as data scanning devices. They eliminate the need to key in text data into the computer. It demands the high quality of input documents.
19. In MICR, Which of the following is the meaning of C ?
[A] Code
[B] Colour
[C] Computer
[D] Character
Show Answer
Correct Answer: D [Character]
Notes:
MICR code is a character-recognition technology used mainly by the banking industry. Every bank branch is given a unique MICR code and this helps the RBI to identify the bank branch and speed up the clearing process.
20. Which of the following is the other name used for a Daughter Board?
[A] Daughter card
[B] Mezzanine board
[C] Piggyback board
[D] All of the Above
Show Answer
Correct Answer: D [All of the Above]
Notes:
A daughterboard, daughter card, mezzanine board or piggyback board is an expansion card that attaches to a system directly. Daughterboard’s often have only internal connections within a computer.
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