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. Microsoft first introduced an operating environment named Windows in which year?
[A] 1977
[B] 1980
[C] 1985
[D] 1990
Show Answer
Correct Answer: C [1985]
Notes:
Microsoft introduced an operating system named Windows on November 20, 1985. It is a graphical operating system shell for MS-DOS in response to the growing interest in graphical user interfaces (GUIs).
2. Which of the following transforms input data into output data?
[A] Peripherals
[B] RAM
[C] ROM
[D] CPU
Show Answer
Correct Answer: D [CPU]
Notes:
Input data is transformed into output by central processing unit- CPU. It is the electronic circuit in a computer that executes the instructions that make up a program. It performs operations specified by the instructions.
3. Which of the following statements about ‘Net Metering’ is / are correct?
- It is a billing mechanism for solar energy consumers.
- It allows consumers to receive credits for electricity they add to the grid.
- It is primarily used for monitoring water usage in urban households.
Select the correct option from the codes given below:
[A] Only 1 & 2
[B] Only 2
[C] Only 1
[D] Only 3
Show Answer
Correct Answer: A [Only 1 & 2]
Notes:
Net metering is a billing mechanism that credits solar energy system owners for the electricity they add to the grid. It allows consumers to offset their energy costs by generating their own electricity from solar panels, and any surplus energy is fed back into the grid, for which they receive credits. This innovative system promotes the use of renewable energy sources. It is not related to monitoring water usage in households.
4. Which of the following is a suitable term for any programmable content of a hardware device configurations and data for application-specific integrated circuits (ASICs), programmable logic devices, etc?
[A] Hardware
[B] Software
[C] Firmware
[D] Malware
Show Answer
Correct Answer: C [Firmware]
Notes:
A firmware refers to a computer programme which is “embedded” in a hardware device and is an essential part of the hardware. It is sometimes also called embedded software. One example is a TV remote set which has a software embedded that can understand and control the TV. TV itself has its own firmware on its motherboard.
5. In the Windows XP, what does XP stands for?
[A] Extra-Powerful
[B] Experience
[C] Extended Platform
[D] Experience Platform
Show Answer
Correct Answer: B [Experience]
Notes:
Windows XP is an operating system introduced in 2001. It is from Microsoft’s Windows. The “XP” in Windows XP stands for eXPerience. Microsoft called the XP release its one of the most important product.
6. Who had proposed the principle of modern computer in his 1936 paper?
[A] Alan Turing
[B] Geoff Tootill
[C] Ferranti Mark
[D] Grace Hopper
Show Answer
Correct Answer: A [Alan Turing]
Notes:
The principle of the modern computer was proposed by Alan Turing. His seminal paper “On Computable Numbers” has proposed a device called the Universal Computing Machine.
7. 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.
8. 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.
9. 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.
10. Who among the following had designed and realised the first single-chip microprocessor?
[A] Ted Hoff
[B] Federico Faggin
[C] Stanley Mazor
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
The first single-chip microprocessor was Intel 4004 was both designed and realised by Ted Hoff, Federico Faggin and Stanley Mazor at Intel Corp.
