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. V-RAM is used for access of the following?
[A] Video & Graphics
[B] Text & Images
[C] programs
[D] None of the above
Show Answer
Correct Answer: A [Video & Graphics ]
Notes:
V-Ram is also known as video Ram. It is a dual ported variant of dynamic RAM. VRAM is basically RAM integrated in a card for using it for storing graphical textures, 3D models temporary. It is used for video access and graphics.
2. BSNL, Reliance, Shaw cable, AOL, Tata Indicom all can be kept in which one of the following groups?
[A] ISDN
[B] IRC
[C] ISP
[D] Icons
Show Answer
Correct Answer: C [ISP]
Notes:
all are internet service providers
3. 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.
4. 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.
5. 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.
6. Which among the following was India’s first Teraflop supercomputer?
[A] PARAM 10000
[B] PARAM Yuva
[C] PARAM Padma
[D] PARAM 9000/ss
Show Answer
Correct Answer: C [PARAM Padma]
Notes:
PARAM Padma was the first Indian Teraflop supercomputer. It is India’s first machine ranked on a worldwide supercomputer list.
7. Which of the following comprise the input devices?
[A] Keyboard
[B] Mouse
[C] Both 1 ans 2
[D] Only 1
Show Answer
Correct Answer: C [Both 1 ans 2]
Notes:
Devices like keyboard and mouse are used to input data and instructions to the computer and are called the input unit.
8. Which of the following is not an input device of the computer?
[A] Trackball
[B] Image Scanner
[C] Joystick
[D] Sound Card
Show Answer
Correct Answer: D [Sound Card]
Notes:
A sound card is not an input device of the computer. A trackball is a pointing device which consists of a ball held by a socket.
9. 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.
10. Which of the following is / are operating systems?
[A] Windows
[B] UNIX
[C] Linux
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
All of the mentioned options are called as Operating Systems.
