Computer Science MCQs – pakistanjobsupdate.com

Question #201 Exam MCQ

A program that translates high-level code into machine code all at once is called a:

A Compiler

B Interpreter

C Assembler

D Debugger

✔ Correct Answer: A. Compiler

💡 Explanation: A compiler converts the entire program into machine language before execution.

Question #202 Exam MCQ

In MS Word, which shortcut key is used to Undo the last action?

A Ctrl + Z

B Ctrl + Y

C Ctrl + U

D Ctrl + A

✔ Correct Answer: A. Ctrl + Z

💡 Explanation: Ctrl + Z undoes the previous edit, while Ctrl + Y redoes it.

Question #203 Exam MCQ

What does LAN stand for in computer networks?

A Local Area Network

B Large Area Network

C Link Access Node

D Line Area Network

✔ Correct Answer: A. Local Area Network

💡 Explanation: A LAN connects computers within a limited geographical area like an office or school.

Question #204 Exam MCQ

Which protocol is used securely to encrypt communication between browser and server?

A HTTPS (SSL/TLS)

B FTP

C Telnet

D SMTP

✔ Correct Answer: A. HTTPS (SSL/TLS)

💡 Explanation: HTTPS encrypts web traffic using Transport Layer Security (TLS/SSL).

Question #205 Exam MCQ

Who is widely regarded as the 'Father of the Modern Computer'?

A Charles Babbage

B Alan Turing

C John von Neumann

D Ada Lovelace

✔ Correct Answer: A. Charles Babbage

💡 Explanation: Charles Babbage conceptualized and designed the first mechanical computer (Analytical Engine).