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Computer Fundamentals MCQs for CET Graduate

Practice 20 free computer fundamentals multiple choice questions for CET Graduate exam. Instant answers with explanations in Hindi and English.

Strengthen your Computer Fundamentals knowledge for CET Graduate with our free curated MCQ set. Every question follows real Rajasthan exam patterns. Switch between Hindi and English, and practice daily to build confidence before the exam.

CET Graduate — Computer Fundamentals

20 Questions • Instant results & explanations • Hindi & English

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Question 1 of 20

In CPU architecture, what triggers the Program Counter (PC) to automatically increment?

Question 2 of 20

Which of the following input technologies is primarily utilized by the global banking industry to securely process and clear cheques?

Question 3 of 20

Assertion (A): The operational lifecycle of data within a computer abruptly ends once the meaningful result is displayed on an output device. Reason (R): The computer's memory architecture is designed to retain processed information for future retrieval and application.

Question 4 of 20

Which of the following is NOT explicitly identified as a core operational characteristic of modern computing systems distinguishing them from human processing?

Question 5 of 20

Which specific unit is designated to perform logical comparisons within a standard computer block diagram?

Question 6 of 20

Which of the following represents the primary cause of most computational errors in modern computing systems?

Question 7 of 20

Beyond executing standard mathematical operations like addition and subtraction, what other critical functional capability is explicitly housed within the Arithmetic Logic Unit (ALU)?

Question 8 of 20

What is the final step in the descriptive workflow of the standard IPO cycle?

Question 9 of 20

Consider the following components: 1. Basic flow control 2. Cryptographic software 3. Working memory 4. Arithmetic Logic Unit (ALU) Which of the above components were explicitly included in the architectural design of Charles Babbage's Analytical Engine?

Question 10 of 20

Assertion (A): Dot matrix printers are significantly noisier than inkjet printers during operation. Reason (R): Inkjet printers propel liquid ink without striking the paper, whereas dot matrix printers utilize a print head that forcefully strikes an ink-soaked ribbon against the paper. Select the correct answer from the codes given below:

Question 11 of 20

For a computer's internal circuitry to successfully process incoming data, the Input Unit must convert human operational instructions into a specific digital format known as:

Question 12 of 20

Assertion (A): Blu-Ray discs and DVDs are classified as optical storage. Reason (R): They employ non-volatile NAND flash memory chips to retain data.

Question 13 of 20

The fundamental architecture of a computer system, which divides the machine into four highly interdependent functional units, was proposed by which prominent mathematician?

Question 14 of 20

A museum wishes to archive data on a physical medium that relies on microscopic pits and lands read by a highly concentrated laser. Which device must they use?

Question 15 of 20

In the context of the computer's internal architecture, what does the 'Central Processing Unit' definitively exclude?

Question 16 of 20

Based on the fundamental definition of the Output Unit, which of the following processes is NOT a valid manifestation of output?

Question 17 of 20

Which of the following is NOT a phase within the standard Instruction Cycle managed by the Control Unit?

Question 18 of 20

How is digital code primarily stored in a computer system so that the software can exist physically?

Question 19 of 20

Assertion (A): Computers process internet routing and vast relational databases utilizing completely different physical hardware configurations. Reason (R): Versatility implies a machine is general-purpose and performs different tasks sequentially or simultaneously.

Question 20 of 20

Assertion (A): The output devices of a computer simply display the exact binary code that the CPU produces after processing. Reason (R): Data must be converted back from binary code into a human-readable format to be considered meaningful information.

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