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. Alerts are mostly appear in ______?
[A] Check box
[B] Combo box
[C] Dialog box
[D] None of the above
Show Answer
Correct Answer: C [Dialog box]
Notes:
A dialog box is a small area on a screen through which the user interacts with the computer. User is either asked to provide information or commands using this. The alerts also appear in this.
2. 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.
3. What is the name of the digital circuit that performs arithmetic and logical operations in computers?
[A] Arithmetic Logic Unit
[B] Digital comparator
[C] Multiplexer
[D] None of these
Show Answer
Correct Answer: A [Arithmetic Logic Unit ]
Notes:
An arithmetic-logic unit (ALU) is the part of the circuit that performs Arithmetic nad logical operations. It is the part of a computer processor (CPU). In some processors, the ALU is divided into two units, an arithmetic unit (AU) and a logic unit (LU).
4. Which among the following key is used for checking grammar and spelling?
[A] F3
[B] F5
[C] F7
[D] F9
Show Answer
Correct Answer: C [F7]
Notes:
F7 is the key to check grammar and spellings in a document. Ribbon at start also can be used to check spellings.
5. A hybrid computer is the one which exhibits the features of __?
[A] analog computer
[B] digital computer
[C] both analog and digital computer
[D] mainframe computer
Show Answer
Correct Answer: C [both analog and digital computer ]
Notes:
Hybrid computers are those computers which exhibit features of both the analog computers and digital computers.
6. 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.
7. What is the use of Digitizer as an input device?
[A] To Convert graphic and pictorial data into binary inputs
[B] To convert graphic and pictorial data into analog inputs
[C] Debuging
[D] None of the above
Show Answer
Correct Answer: A [To Convert graphic and pictorial data into binary inputs ]
Notes:
A digitizer is the device which improves touch accuracy is embedded in the screens of tablets and smart phones. Other devices use a digitizer device such as a stylus to allow users to specify locations on the display more precisely. There are three types of touch-screen digitizers: passive, active and dual.
8. Dynamic Adhoc Wireless Networks (DAWN) usually come under ___?
[A] 2G
[B] 3G
[C] 4G
[D] 5G
Show Answer
Correct Answer: D [5G]
Notes:
The DAWN Dynamic Ad-hoc Wireless Networks project is developing a general theory of complex and dynamic wireless communication networks. It comes under 5G.
9. Who is the founder of Wikipedia?
[A] Peer Schneider
[B] Byron Looper
[C] Rickard Eriksson
[D] Jimmy wales
Show Answer
Correct Answer: D [Jimmy wales]
Notes:
Jimmy Wales is an American-British Internet entrepreneur. He is a co-founder of the online encyclopedia Wikipedia. It was founded in 2001.
10. For his major role in the development of computer chip ‘Pentium’, which Indian IT expert is called the ‘Father of Pentium’ ?
[A] Ajay Bhatt
[B] Anand Chandrasekher
[C] Vinod Dham
[D] Biswamohan Pani
Show Answer
Correct Answer: C [Vinod Dham]
Notes:
Vinod Dham is an engineer, entrepreneur and venture capitalist; known as ‘Father of the Pentium Chip’ for his contribution to the development of Intel’s Pentium microprocessor.
