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 performance of a hard drive or other storage device, meaning how long it takes to locate a file is called ?
[A] Response Time
[B] Access Time
[C] Quick Time
[D] None of the above
Show Answer
Correct Answer: B [Access Time ]
Notes:
Access time (or Hard Disk Access Time) is the total elapsed time between the initiation of a particular request for data and receipt of the first bit of that data.
2. What is the full form of ADSL?
[A] Automatic Digital Subscriber Line
[B] Asymmetric Direct Subscriber Line
[C] Asymmetric Digital Subscriber Line
[D] None of these
Show Answer
Correct Answer: C [Asymmetric Digital Subscriber Line ]
Notes:
Asymmetric digital subscriber line (ADSL) is a type of digital subscriber line technology. It is a data communications technology which enables faster data transmission. It uses copper telephone lines.
3. Modern computers follow a generalised set of instructions to perform any function. What are these instructions better known as?
[A] Language
[B] Instructions
[C] Commands
[D] Programs
Show Answer
Correct Answer: D [Programs]
Notes:
Computers follow a generalised set of instructions to perform various functions. These are known as programs. These let the computers to perform a huge range of tasks.
4. Which of the following devices use computers as control systems for functioning?
[A] Industrial Robots
[B] Remote Controls
[C] Microwave Ovens
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
Computers are used in a huge arena of human endeavours and act as a second self to all of us. These act as control systems in a number of household and industrial devices like industrial robots, microwave ovens, remote controls, smartphones, personal computers etc.
5. When did the Online Etymology Dictionary first attested the use of the word “computer” as one who calculates?
[A] 1630s
[B] 1680s
[C] 1670s
[D] 1640s
Show Answer
Correct Answer: D [1640s]
Notes:
The Online Etymology Dictionary first attested the use of the word “computer” in the 1640s as one who calculates.
6. What kind of information each of the electrical circuits represents?
[A] Arithmetic
[B] Tertiary
[C] Binary
[D] Quaternary
Show Answer
Correct Answer: C [Binary]
Notes:
Each circuit represents a bit (binary digit) information. When the circuit is on, it represents a “1” and a “0” when it is off in a positive logic representation.
7. Which of the following is a single integrated circuit on which a CPUs are typically constructed?
[A] Microprocessor
[B] Memory
[C] Motherboard
[D] Hard Disk
Show Answer
Correct Answer: A [Microprocessor]
Notes:
CPUs are typically constructed on a single integrated circuit known as the microprocessor.
8. Which of the following is / are operating systems?
[A] Windows
[B] UNIX
[C] Linux
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
All of the mentioned options are called as Operating Systems.
9. What is the full form of CPU?
[A] Central Processing Unit
[B] Central Primary Unit
[C] Control Primary Unit
[D] Control Processing Unit
Show Answer
Correct Answer: A [Central Processing Unit]
Notes:
The control unit and ALU usually are referred to as a processor, or central processing unit (CPU). The operational speed of the CPU primarily determines the speed of the computer as a whole.
10. Which of the following devices provide a means of communication between a computer and outer world?
[A] Input/Output
[B] Storage
[C] Compact
[D] Drivers
Show Answer
Correct Answer: A [Input/Output]
Notes:
The I/O i.e. the input/output devices provide a means of communication between the computer and the outer world. They are often referred to as the peripheral devices sometimes.
