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Class 7 Computer Science Chapter 1 Computer Systems And Organization Quiz 4 (25 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. How do output units operate in a computer system?

Correct Answer: D) Output units convert processed data into human-readable form.

2. Read Only Memory is permanent memory and is called:

Correct Answer: A) ROM.

3. What is the purpose of anti-virus software?

Correct Answer: D) To remove viruses from a computer system.

4. The LOGIC GATE that produce HIGH output only when both inputs are HIGH is .....

Correct Answer: C) AND.

5. Identify the 2 types of Micro computers from the list below:

Correct Answer: D) Desktop and laptop.

6. The following are the techniques and strategies that you may perform when you are trying to solve hardware issues EXCEPT for:

Correct Answer: B) Run CCleaner.

7. Differentiate between system software and application software.

Correct Answer: A) System software manages hardware and provides a platform, while application software performs specific user tasks.

8. ENIAC stands for .....

Correct Answer: C) Electronic Numerical Integrator And Computer.

9. What software is freely available to public, but author has a copy right, means that you can only use it, not sell it?

Correct Answer: D) Freeware.

10. Define what is meant by 'ransomware'

Correct Answer: B) Software that is used to bribe an organisation in to paying a sum of money, otherwise the software will disrupt their network.

11. In the year 1970-1999 this generation of computer was made

Correct Answer: C) Fourth.

12. ..... is the copy of data on a computer or hard drive that is saved to an external media such as a DVD, CD, or flash drive. In an organization, it is routinely done-may it be daily, weekly, or on a monthly basis. This is to ensure that the organization's data are protected and are readily available.

Correct Answer: C) Backup.

13. What are the characteristics of operating systems?

Correct Answer: D) Multitasking, resource management, user interface, security, device management.

14. What type of computer are not as powerful as the supercomputer and is designed to run multiple programs concurrently?

Correct Answer: D) Mainframe computer.

15. This type of computer system is tiny and is mainly used to schedule appointments and send and receive emails.

Correct Answer: C) PDA.

16. To enter, example a website

Correct Answer: A) Access.

17. It acts as a barrier between a trusted system or network and outside connections, such as the Internet.

Correct Answer: A) Firewall.

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

Correct Answer: D) CAN.

19. Program that a computer uses to do different jobs

Correct Answer: A) Software.

20. Someone you work with; this term is used especially by professional people

Correct Answer: A) Colleague.

21. A piece of computer equipment with a screen that shows information or pictures

Correct Answer: C) Monitor.

22. Brute-force attacks are used to gain entry to

Correct Answer: D) Password-based systems.

23. This type of software is sold in a bundle due to similar function of programs.

Correct Answer: A) Package software.

24. An input is .....

Correct Answer: A) Any data and instructions entered into the memory of a computer.

25. Which of the following is the best way to prevent unauthorized access to a computer network?

Correct Answer: C) Using strong passwords.

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