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. Alerts are mostly appear in ______?
[A] Check box
[B] Combo box
[C] Dialog box
[D] None of the above
Show Answer
Correct Answer: C [Dialog box]
Notes:
A dialog box is a small area on a screen through which the user interacts with the computer. User is either asked to provide information or commands using this. The alerts also appear in this.
2. Structured programming languages such as C, COBOL and FORTRAN were used in which of the following computers?
[A] First Generation Computers
[B] Second Generation Computers
[C] Third Generation Computers
[D] Fourth Generation Computers
Show Answer
Correct Answer: C [Third Generation Computers ]
Notes:
The period of third generation was from 1965-1971. The computers of third generation used Integrated Circuits (ICs) in place of transistors. Structured programming languages such as C, COBOL and FORTRAN were used in Third Generation computers.
3. Dynamic Adhoc Wireless Networks (DAWN) usually come under ___?
[A] 2G
[B] 3G
[C] 4G
[D] 5G
Show Answer
Correct Answer: D [5G]
Notes:
The DAWN Dynamic Ad-hoc Wireless Networks project is developing a general theory of complex and dynamic wireless communication networks. It comes under 5G.
4. Which of the following are indisputable characteristics of a computer?
[A] Speed
[B] Accuracy
[C] Versatility
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
Speed, accuracy and versatility comprise indisputable characteristics of a computer. In addition, it also has reliability and storage capacity. These are some of the factors which make it such an important parts of our lives.
5. Who had discovered the Boolean algebra?
[A] George Boole
[B] Charles Babbage
[C] Augusta Ada Byron
[D] Herman Hollerith
Show Answer
Correct Answer: A [George Boole]
Notes:
Englishman, George Boole had invented a new branch of mathematics called the Boolean algebra. Boolean algebra and the binary code help modern computers to make simple decisions by comparison of long strings of zeroes.
6. What kind of data is processed by an analog computer?
[A] Discrete Data
[B] Intermittent Data
[C] Discretely varying Data
[D] Continuously varying Data
Show Answer
Correct Answer: D [Continuously varying Data]
Notes:
An analog computer is the one which is used to process continuously varying data. This changeable yet continuous data is generally referred to as the analog data.
7. How do the Analog computers perform arithmetic operations?
[A] With the help of Non-Measurable quantities
[B] With the help of Measurable quantities
[C] Both 1 and 2
[D] None of the above
Show Answer
Correct Answer: B [With the help of Measurable quantities]
Notes:
An analog computer performs arithmetical operations with the help of measurable quantities like mechanical movement, rotation of gears etc.
8. What is the meaning of the Greek word analogon from which the word analog has been derived?
[A] According to an Equation
[B] According to a Sum
[C] According to a Ratio
[D] According to a Dividend
Show Answer
Correct Answer: C [According to a Ratio ]
Notes:
The word analog is derived from the Greek word analogon which means according to a ratio.
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 an analog signal?
[A] Sound via an electrified copper wire
[B] Human Speech via an electrified copper wire
[C] Light
[D] Both 1 and 2
Show Answer
Correct Answer: D [Both 1 and 2]
Notes:
Examples of analog signal include sound or human speech over an electrified copper wire.