20 Basic Computer Knowledge Questions Answers

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Basic computer knowledge is very crucial in the present time. It is one of the most important sections in almost every competitive exam or online test. We have arranged the basic computer questions that will help you to test your fundamentals. After taking this quiz, you will definitely increase your skills and knowledge about computer systems and its working.


Basic Computer Questions | basic computer knowledge quiz



Basic Computer Knowledge Questions

1. Which of the following options is true with respect to computers?

    1. A computer is a programmable electronic machine or device designed to take data, process it, and provide meaningful information.
    2. A computer can only understand binary language written as 0's and 1's.
    3. A computer is an electronic machine or device that helps to process arithmetic and logical operations.
    4. All of the above

The right answer is :- (4)  All of the above


2. Who is known as the father of computer?

    1. Dennis Ritchie
    2. Bill Gates
    3. Charles Babbage
    4. James Gosling

The right answer is :- (3)  Charles Babbage


3. Who is credited with the creation of the first mechanical computer, the Difference Engine?

    1. Blaise Pascal
    2. Garden Moore
    3. Bjarne Stroustrup
    4. Charles Babbage

The right answer is :- (4)  Charles Babbage


4. What is the brain of a computer system called?

    1. RAM
    2. CPU
    3. GPU
    4. None of the above

The right answer is :- (2)  CPU


5. What does CPU stand for?

    1. Central Processing Unit
    2. Control Processing Unit
    3. Computer Processing Unit
    4. Computer Programming Unit

The right answer is :- (1)  Central Processing Unit


6. Which of the following is included in computer system?

    1. Hardware
    2. Peripheral Devices
    3. Software
    4. All of the above

The right answer is :- (4)  All of the above


7. What is known as temporary memory or volatile memory?

    1. SSD
    2. HDD
    3. RAM
    4. ROM

The right answer is :- (3)  RAM


8. What does ALU stand for in the context of computers?

    1. Array Logic Unit
    2. Arithmetic Logic Unit
    3. Application Logic Unit
    4. Automatic Logic Unit

The right answer is :- (2)  Arithmetic Logic Unit


9. What does RAM stand for?

    1. Random Access Memory
    2. Reallocate Automatic Memory
    3. Remote Access Memory
    4. None of the above

The right answer is :- (1)  Random Access Memory


10. Which of the following is the smallest unit of memory?

    1. Byte
    2. Bit
    3. Nibble
    4. Kb

The right answer is :- (2)  Bit


11. What is Half Byte called?

    1. KiloByte
    2. Bit
    3. Nibble
    4. Word Size

The right answer is :- (3)  Nibble


12. Which of the following is the primary function of an input device?

    1. It processes the data provided by the user into meaningful information desired by the user.
    2. It displays information so that the user can decide whether to save or print.
    3. It takes data and instructions from the user, converts them into a binary form acceptable to the computer, and sends them to the primary memory for further processing.
    4. All of the above

The right answer is :- (3)  It takes data and instructions from the user, converts them into a binary form acceptable to the computer, and sends them to the primary memory for further processing.


13. Which of the following is not an input device?

    1. Microphone
    2. Mouse
    3. Keyboard
    4. Speakers

The right answer is :- (4)  Speakers


14. Which of the following computer languages is written in binary form?

    1. JAVA
    2. C
    3. Pascal
    4. Machine Language

The right answer is :- (4)  Machine Language


15. Which of the following is responsible for performing mathematical calculations?

    1. Control Unit
    2. Register Unit
    3. Memory Unit
    4. Arithmetic Logic Unit

The right answer is :- (4)  Arithmetic Logic Unit


16. Which of the following is not a valid function of an output device?

    1. It sends the processed information to the recipient over an email.
    2. It converts the processed data into a human-readable form.
    3. It displays information.
    4. It prints information on paper and other materials.

The right answer is :- (1)  It sends the processed information to the recipient over an email.


17. Which of the following is not an output device?

    1. Speakers
    2. Monitor
    3. Plotter
    4. Scanner

The right answer is :- (4)  Scanner


18. What does SSD stand for?

    1. Solid State Device
    2. Solid State Drive
    3. Serial State Data
    4. Solid Storage Device

The right answer is :- (2)  Solid State Drive


19. How many generations are computers currently classified into?

    1. 6
    2. 5
    3. 4
    4. 2

The right answer is :- (2)  5


20. Which of the following is not related to computers?

    1. Accuracy
    2. Speed
    3. Consistency
    4. Thinking

The right answer is :- (4)  Thinking


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