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.
11. 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.
12. In what form is the data expressed in a digital computer?
[A] Binary
[B] Tertiary
[C] Primary
[D] Secondary
Show Answer
Correct Answer: A [Binary]
Notes:
Digital data works on various kinds of data which include magnitude, letters, symbols, etc. and are expressed in binary code i.e. using numbers only in two digits like 0 and 1.
13. Which of the following tasks can be performed by a digital computer?
[A] Analyze vast amount of business data
[B] Simulating Global weather patterns
[C] Regulating operations of machines
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
All the tasks mentioned above can be performed by a digital computer like analyzing vast amount of business data, simulation of global weather patterns, regulation of operations of machines etc.
14. In the history of computing which computer fits the designation as the first personal computer?
[A] Bendix G15
[B] LGP-30
[C] ENIAC
[D] Programma 101
Show Answer
Correct Answer: C [ENIAC]
Notes:
ENIAC was the first personal computer. It had become operational in 1946. ENIAC stands for Electronic Numerical Integrator and Computer.
15. Which of the following functions are associated with a Workstation?
[A] Computer-Aided design
[B] Drafting and Modeling
[C] Computation-intensive scientific and engineering calculations
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
A workstation is a high-end personal computer which was originally made for technical, mathematical and scientific applications. They are used for computer-aided design, drafting and modelling, computation-intensive scientific and engineering calculations, processing of images etc.
16. What is the job of the Mother Board?
[A] Sends power to all the components
[B] Holds all the circuits and components together
[C] Displays information
[D] Tells the computer what to do
Show Answer
Correct Answer: B [Holds all the circuits and components together]
Notes:
A motherboard is the circuit board found in general purpose microcomputers . It holds and allows communication between many of the crucial electronic components of a system, such as the central processing unit and memory, and provides connectors for other peripherals.
17. Which of the following consist of the computer main memory?
[A] Hard drive and RAM
[B] CD-ROM and hard drive
[C] RAM and ROM
[D] CMOS and hard drive
Show Answer
Correct Answer: C [RAM and ROM]
Notes:
The main memory in a computer is called Random Access Memory. It is also known as RAM. This is the part of the computer that stores operating system software.
18. What is the full form of ECC Memory?
[A] Error Correcting Code Memory
[B] Error Clearing Code Memory
[C] Electric Charged Code Memory
[D] None of the Above
Show Answer
Correct Answer: A [Error Correcting Code Memory]
Notes:
ECC stands for Error Correcting Code Memory. It is a memory system that tests for and corrects errors automatically, very often without the operating system being aware of it.
19. What is the full form of UDF ?
[A] Universal data frequency
[B] Unique disk format
[C] Universal disk format
[D] Undated disk format
Show Answer
Correct Answer: C [Universal disk format]
Notes:
Universal Disk Format (UDF) is a file system for computer data storage for a broad range of media. UDF is developed and maintained by the Optical Storage Technology Association (OSTA).
20. How many pins are there on a Video Graphics Array connector?
[A] 12
[B] 13
[C] 15
[D] 16
Show Answer
Correct Answer: C [15]
Notes:
A Video Graphics Array or VGA connector is a three-row 15-pin connector.VGA connectors and cables carry analog component of video signals, and VESA Display Data Channel (VESA DDC) data.
