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. NetBIOS was introduced in 1983 by which company as an improvement to the standard BIOS used by Windows-based computers?
[A] Dell
[B] IBM
[C] Compaq
[D] SyteK Inc
Show Answer
Correct Answer: D [SyteK Inc]
Notes:
Sytek Inc. which is now known as Hughes LAN Systems Inc. had created the NetBIOS protocol in 1983, later used by Microsoft to make its early networks.
2. Which among the following is not a payment card technology?
[A] Magnetic Stripe Card
[B] Smart Card
[C] Fleet Card
[D] All of them are payment card technologies
Show Answer
Correct Answer: D [All of them are payment card technologies ]
Notes:
EMV is a payment method based upon a technical standard. It is for smart payment cards and for payment terminals and automated teller machines which can accept them. EMV originally stood for “Europay, Mastercard, and Visa”, the three companies which created the standard. The Magnetic strip cards,smart cards and Fleet cards are the different technologies available.
3. One nibble is equal to_?
[A] 4 Bits
[B] 4 Bytes
[C] 8 Bytes
[D] 8 Kilo Bytes
Show Answer
Correct Answer: A [4 Bits]
Notes:
In computing, a nibble (often nybble or even nyble to simulate the spelling of byte) is a four-bit aggregation, or half an octet. As a nibble contains 4 bits, there are sixteen possible values, so a nibble corresponds to a single hexadecimal digit (thus, it is often referred to as a “hex digit” or “hexit”).
4. Which of the following stands for the input function of the computer?
[A] Receiving or accepting information from outside sources
[B] Processing information in structured format
[C] Transforming raw data into information
[D] Store results for future use
Show Answer
Correct Answer: A [Receiving or accepting information from outside sources]
Notes:
Input, storage, processing and output are four basic functions of the computer. Input basically stands for entering data or receiving or accepting information from outside sources.
5. How are the four main components of a computer interconnected internally?
[A] Cars
[B] Buses
[C] Lines
[D] Rods
Show Answer
Correct Answer: B [Buses]
Notes:
A general purpose computer has four components like the Arithmetic Logical Unit, the Control Unit, the memory and input-output devices. These parts are interconnected by buses.
6. Which of the following is the system bus?
[A] Bus connecting Keyboard and Motherboard
[B] Bus connecting CPU and Memory
[C] Bus connecting Memory and Monitor
[D] Bus connecting Hard Disk and Monitor
Show Answer
Correct Answer: B [Bus connecting CPU and Memory]
Notes:
The bus connecting the CPU and memory is one of the defining characteristics of the system and is known as the system bus. Mostly the CPU and Memory they work synchronously.
7. 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.
8. 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.
9. What does the amplitude of an analog wave measure?
[A] Frequency
[B] Intensity
[C] Wavelength
[D] All of the above
Show Answer
Correct Answer: B [Intensity]
Notes:
The amplitude of an analog wave is a measure of its intensity which is related to the highest point called crest and the lowest point called trough.
10. What are four basic functional elements of a digital computer?
[A] Input-Output Equipment
[B] Main Memory
[C] Control Unit and ALU
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
A digital computer system has four basic functional elements like the input-output equipment, main memory, control unit and the arithmetic logic unit.
