Top 20 Important Computer (MCQ) Quiz - (Part-3).
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Top 20 Important Computer (MCQ) Quiz - (Part-3).

Top 20 Important Computer (MCQ) Quiz - (Part-2).
Top 20 Important Computer (MCQ) Quiz - (Part-3)

1. Which company developed the Java programming language?

(a) Microsoft

(b) Apple

(c) Sun Microsystems

(d) IBM

2. What does WAN stand for?

(a) Wide Area Network

(b) Wide Access Network

(c) Wireless Area Network

(d) Wireless Access Network

3. Which of the following is used for temporary storage?

(a) ROM

(b) RAM

(c) Hard Disk

(d) SSD

4. Which of these is not a web browser?

(a) Java

(b) Firefox

(c) Chrome

(d) Safari

5. Which file extension is used for Microsoft Excel documents?

(a) .xlsx

(b) .docx

(c) .pptx

(d) .txt

6. What is the function of the control unit in the CPU?

(a) To perform arithmetic oprtation

(b) To store Data

(c) To manage the execution of instructions

(d) To handle input and output operations

7. Which of the following protocols is used for secure communication over the internet?

(a) HTTP

(b) FTP

(c) SMTP


8. What is the purpose of an IP address?

(a) To identify a computer on a network

(b) To identify a website

(c) To encrypt data

(d) To manage storage devices

9. What type of malware is designed to replicate itself and spread to other computers?

(a) Virus

(b) Trojan Horse

(c) Virus

(d) Spyware

10. What is the main function of the operating system?

(a) To compile programs

(b) To control and manage computer hardware and software resources

(c) To connect to the internet

(d) To edit documents

11. Which of the following is a popular open-source database management system?

(a) Oracle

(b) Microsoft SQL server

(c) IBM DB2


12. What does LAN stand for?

(a) Local Area Network

(b) Local Access Network

(c) Long Area Network

(d) Long Access Network

13. What is the fullform of PDF?

(a) Printable Document Format

(b) Public Document Format

(c) Portable Document Format

(d) Protected Document Format

14. Which of the following is not a type of memory in a computer?

(a) CPU

(b) ROM

(c) RAM

(d) Cache

15. Which of these is a real-time operating system?

(a) Windows 10

(b) macOS

(c) Linux

(d) VxWorks

16. What does DNS stand for?

(a) Dynamic Name System

(b) Domain Name System

(c) Digital Network System

(d) Data network system

17. Which of the following devices can store large amounts of data?

(a) USB flash drive

(b) DVD

(c) CD-ROM

(d) Hard Dusk Drive(HDD)

18. What does VGA stand for?

(a) Video Graphics Array

(b) Virtual Graphics Adapter

(c) Video Graphics Adapter

(d) Virtual Graphics Array

19. What is the main function of Firewall?

(a) To enchce internet speed

(b) To store data

(c) To protect against unauthorized access

(d) To manage Email services

20. Which protocol is used to transfer files between computers on a network?

(a) HTTP

(b) FTP

(c) SMTP

(d) SNMP