Computers & ICT MCQs for CET 12th Level

Practice 20 free computers & ict multiple choice questions for CET 12th Level exam. Instant answers, explanations in Hindi and English, and topic-wise targeted practice.

Master Computers & ICT under Information Technology for CET 12th Level with our curated MCQ set. Every question is sourced from real Rajasthan exam patterns and updated regularly. Switch between Hindi and English anytime. Use this daily to strengthen weak areas before the exam.

CET 12th Level — Information Technology — Computers & ICT

20 Questions • Instant results & explanations • Hindi & English

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Question 1 of 20

What is the main function of the 'Control Unit' (CU) in a CPU?

Question 2 of 20

What is the full form of 'CERT-In'?

Question 3 of 20

Which type of software is 'VLC Media Player'?

Question 4 of 20

Which generation of mobile technology introduced 'Digital Signals' to replace 'Analog Signals'?

Question 5 of 20

Which technology was used in 1G mobile communication?

Question 6 of 20

What is the typical range of Wi-Max technology?

Question 7 of 20

Identify the incorrect pair regarding Input Devices:

Question 8 of 20

Which of the following is considered the first calculating device?

Question 9 of 20

Stuxnet (2010) is related to which category of computer threat?

Question 10 of 20

Consider the following statements regarding 'RAM' (Random Access Memory): 1. It is a type of volatile memory. 2. Data stored in RAM remains saved even after the computer is turned off. 3. It stores the operating system files and basic programs when the computer starts. Which of the statements given above is/are correct?

Question 11 of 20

Which generation of mobile communication was the first to use 'Packet Switching' for BOTH voice and data services?

Question 12 of 20

Which type of malware encrypts computer files or data and restricts user access until a payment is made?

Question 13 of 20

Stuxnet (2010) is a famous example of which of the following?

Question 14 of 20

What is the operating frequency range of the 'C Band' in satellite communication?

Question 15 of 20

Ethernet connects network devices to create which of the following?

Question 16 of 20

Which layer of the optical fiber is defined as having a 'lower refractive index due to low density'?

Question 17 of 20

Which of the following is an example of Antivirus software?

Question 18 of 20

In satellite communication, what is the term for the path of the signal from the satellite down to the Earth?

Question 19 of 20

When was the first Supercomputer 'Cray-1' developed?

Question 20 of 20

Which component is often referred to as the 'brain' of the computer?

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