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. The word bandwidth is also used to mean ________?
[A] width of the data cable
[B] amount of data transferred
[C] number of the computers on a particular network
[D] none of the above
Show Answer
Correct Answer: B [amount of data transferred ]
Notes:
Bandwidth refers to the amount of data that can be transmitted in a fixed amount of time. For digital devices, the bandwidth is usually expressed in bits per second(bps) or bytes per second.
2. An Autoresponder is a_______on mail server that automatically replies to e-mails?
[A] command
[B] Software
[C] Program
[D] None of these
Show Answer
Correct Answer: C [Program]
Notes:
An autoresponder is a computer program that automatically answers e-mail sent to it. They can be very simple or quite complex. The first autoresponders were created within mail transfer agents that found they could not deliver an e-mail to a given address.
3. ADSL data communications technology uses which of the following for faster data transmission?
[A] Voiceband modem
[B] Wireless Modem
[C] Copper telephone Lines
[D] Sockets
Show Answer
Correct Answer: C [Copper telephone Lines ]
Notes:
Asymmetric digital subscriber line (ADSL) is a type of digital subscriber line (DSL) technology. It is a data communications technology that enables faster data transmission using copper telephone lines than a conventional voiceband modem can provide.
4. 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.
5. While browsing internet, what do we call the area of storage that compensates for the different speeds of data flow or timings of events by temporarily holding a block of data that is waiting to be processed?
[A] Cache
[B] Buffer
[C] Flash
[D] Trash
Show Answer
Correct Answer: B [Buffer]
Notes:
Buffering refers to downloading a certain amount of data before starting to play the music or movie. It manages the downloading data and temporarily holds the data as well.
6. Which of the following comprise the software components of a computer?
[A] Programs
[B] Keyboard
[C] BIOS
[D] Memory
Show Answer
Correct Answer: A [Programs]
Notes:
The set of instructions or programs that make the computer function using the hardware parts are called the software. We cannot see or touch software.
7. What parts did the first Analytical Engine incorporate which made it the first design for a general-purpose computer?
[A] Integrated memory
[B] Arithmetic Logic Unit
[C] Control Flow
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
The Analytical Engine incorporated an Integrated memory, Arithmetic Logic Unit, Control Flow in form of conditional branching and loops which made it the first design for a general purpose computer.
8. 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.
9. Which of the following is a common property of a computer program?
[A] Terms of Reference
[B] Reference files
[C] Locality of Reference
[D] Line of Reference
Show Answer
Correct Answer: C [Locality of Reference]
Notes:
A highly common property of a computer program is the locality of reference. This basically refers to accessing of the same values repeatedly and frequently holding these in registers for improvement of performance.
10. Which of the following serve as both an input and output devices?
[A] Hard Disk Drives
[B] Floppy Disk
[C] Optical Disc Drives
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
Hard Disk Drives, Floppy Disk, Optical Disc Drives serve as both input and output devices.