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Class 7 Computer Science Chapter 1 Computer Systems And Organization Quiz 5 (25 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. What is the function of the input unit in a computer?

Correct Answer: D) The function of the input unit is to receive and convert data and instructions into a format usable by the computer.

2. What is an example of system software?

Correct Answer: B) Operating system.

3. Which of the following is NOT a common cause of slow computer performance?

Correct Answer: D) Excessive use of the mouse.

4. What is a device driver?

Correct Answer: A) A mediator between the operating system and the attached device.

5. Fifth generation computer used

Correct Answer: C) Artificial Intelligence.

6. These are efforts by bad actors to profit from their malicious attacks.

Correct Answer: A) Cybercrime.

7. Which of the following is NOT a component of a computer network?

Correct Answer: C) Keyboard.

8. To make a copy of information stored on a computer

Correct Answer: D) Backup.

9. Microprocessors were used in

Correct Answer: B) 4th generation computer.

10. Choose the ascending order of memory units

Correct Answer: B) EB>GB>MB>KB>Bytes>Nibble>Bit.

11. Below are the communication models EXCEPT:

Correct Answer: B) Network connection.

12. What type of computer system can be found in the lab?

Correct Answer: B) Micro.

13. What type of storage that stores data temporarily?

Correct Answer: A) Primary storage.

14. 3rd Generation computer used

Correct Answer: C) Integrated Circuits.

15. Which of the following are the benefits of conducting maintenance?

Correct Answer: E) All of the above.

16. Identify the type of malware that spies on what you doing and passes it across the internet

Correct Answer: D) Spyware.

17. This type of software is a licensed software under exclusive legal right of owner.

Correct Answer: A) Proprietary.

18. What is the purpose of a firewall?

Correct Answer: A) To prevent unauthorized access to a computer system.

19. Which of the following is NOT a common type of computer network cable?

Correct Answer: D) Power cable.

20. To make a document that is exactly the same as an earlier or original one

Correct Answer: B) Copy.

21. These are hardware used to enter data to be processed by the computer in the processing unit.

Correct Answer: C) Input Devices.

22. What is the disadvantage of layered approach?

Correct Answer: A) Less efficient.

23. What is the fullform of IPO?

Correct Answer: A) Input Process Output.

24. Identify and describe the various types of memory in a computer.

Correct Answer: B) The various types of memory in a computer include RAM, ROM, Cache Memory, Secondary Storage, and Virtual Memory.

25. The CPU carries out instructions, one after another, billions of times a second is known as .....

Correct Answer: B) The Fetch-Decode-Execute Cycle.

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