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. In a computer file systems which among the following is top or first in hierarchy?
[A] root directory
[B] parent directory
[C] home directory
[D] working directory
Show Answer
Correct Answer: A [root directory ]
Notes:
In computer systems (particularly UNIX and UNIX like OS), root directory is the first and top-most directory in the hierarchy.
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. “Macintosh” an Operating System is a product of ?
[A] Microsoft
[B] Apple
[C] Intel
[D] Google
Show Answer
Correct Answer: B [Apple]
Notes:
The Macintosh was the brand name of the personal computers designed and sold by Apple Inc. since January, 1984. Since 1998, it was branded as Mac.
5. 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.
6. Which of the following was considered as the world’s first fully automatic digital computer?
[A] Z2
[B] Z1
[C] Z3
[D] None of the above
Show Answer
Correct Answer: C [Z3]
Notes:
Konrad Zuse made the Z3, which was the first fully automatic digital and electromechanical programmable computer. It was built with 2000 relays.
7. Which of the following is the basic function of a computer?
[A] Input
[B] Storage
[C] Processing
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
A computer basically has four different functions. They are input, processing, storage and accuracy.
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. An analog computer uses an analog signal which is usually represented as what?
[A] Sine Wave
[B] Sine Curve
[C] Bell curve
[D] Cos Wave
Show Answer
Correct Answer: A [Sine Wave]
Notes:
An Analog computer uses an analog signal which can also be represented as a sine wave or a continuous wave which contains many time-varying quantities.
10. Which of the following are examples of analog computer?
[A] Resistance of a Capacitor
[B] Signal Frequency
[C] Voltage
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
Examples of analog computer include temperature, pressure, telephone lines, signal frequency, resistance of a capacitor, voltage etc.