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. What are the uses of Structured Query Language (SQL)?
[A] Creating Databases
[B] Creating & Modifying Databases
[C] Creating, Modifying & Querying Databases
[D] None of the above
Show Answer
Correct Answer: C [Creating, Modifying & Querying Databases]
Notes:
Structured Query Language (SQL) is a standard computer language designed for managing data held in a Relational Database Management System (RDBMS). It is used not only for creating and modifying databases but also for querying them. In essence, SQL allows you to interact with databases in all the ways that you might need, making it an essential tool for managing complex data structures.
3. 32 bit operations were introduced for the first time by Microsoft in ________?
[A] windows 9.5
[B] windows 3.0
[C] windows 3.11
[D] None of the above
Show Answer
Correct Answer: C [windows 3.11]
Notes:
Windows 3.11 was released on November 8, 1993. It added many feature improvements over Windows 3.1. 32 bit operations were introduced for the first time by Microsoft.
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. ©Brain also known as the first computer virus for MS-DOS was written by two brothers belonging to which among the following countries?
[A] Malaysia
[B] India
[C] Pakistan
[D] Iran
Show Answer
Correct Answer: C [Pakistan]
Notes:
Brain is the first PC virus in the world. It began infecting 5.2″ floppy disks in 1986. It was the work of two brothers, Basit and Amjad Farooq Alvi of Pakistan.
6. How many banks are promoting the National Payments Corporation of India (NPCI)?
[A] 6
[B] 8
[C] 10
[D] 12
Show Answer
Correct Answer: C [10]
Notes:
The National Payments Corporation of India is an umbrella organisation for operating retail payments and settlement systems in India. It is promoted by 10 banks.
7. Which of the following is the processing unit of the computer?
[A] CPU
[B] Memory
[C] Graphic Card
[D] Mother Board
Show Answer
Correct Answer: A [CPU]
Notes:
A modern computer consists of at least one processing element called the Central Processing Unit or CPU.
8. Which of the following is seen as the earliest mechanical analog computer?
[A] Tally Stick
[B] Antikythera mechanism
[C] Planisphere
[D] Astrolabe
Show Answer
Correct Answer: B [Antikythera mechanism]
Notes:
The Antikythera mechanism is believed to be the earliest mechanical analog computer. It was designed to calculate astronomical positions.
9. How are registers measured?
[A] Number of programs
[B] Number of bits
[C] Number of Occurence
[D] Number of reference points
Show Answer
Correct Answer: B [Number of bits]
Notes:
Registers are normally measured by the number of bits they can hold like an 8-bit register, a 32-bit register etc.
10. How is data transmitted in analog computers?
[A] Continuous Signals
[B] Discrete Signals
[C] Intermittent Signals
[D] Interrupted Signals
Show Answer
Correct Answer: A [Continuous Signals]
Notes:
In Analog computers, data is transmitted for operation in the form of continuous signals.
