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UPSC Exam  >  UPSC Test  >  Lucent For GK  >  Test: Memory - UPSC MCQ

Memory - Free MCQ Practice Test with solutions, UPSC Lucent


MCQ Practice Test & Solutions: Test: Memory (10 Questions)

You can prepare effectively for UPSC Lucent For GK with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Memory". These 10 questions have been designed by the experts with the latest curriculum of UPSC 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 10 minutes
  • - Number of Questions: 10

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Test: Memory - Question 1
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Which type of memory is considered volatile and gets erased when the power is turned off?

Detailed Solution: Question 1

Primary memory, also known as main storage, is considered volatile and gets erased when the power is turned off. It includes types like RAM (Random Access Memory).

Test: Memory - Question 2
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What is the primary function of ROM (Read Only Memory) in a computer?

Detailed Solution: Question 2

ROM (Read Only Memory) in a computer stores hardwired instructions that the computer uses when it boots up, before the system software loads. It contains essential instructions for the computer's initial operation.

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Test: Memory - Question 3
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Which type of memory is known for being very fast and is used to hold frequently used data?

Detailed Solution: Question 3

Cache memory is known for being very fast and is used to hold frequently used data, reducing the need to recompute the original data.

Test: Memory - Question 4
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What is the primary purpose of secondary memory in a computer?

Detailed Solution: Question 4

Secondary memory in a computer is primarily used for slow and long-term storage. It cannot be processed directly by the CPU and is typically non-volatile.

Test: Memory - Question 5
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Which optical disc type can store the most data and is commonly used for high-definition movies and games?

Detailed Solution: Question 5

Blu-Ray Discs (BD) can store the most data among optical disc types and are commonly used for high-definition movies, games, and storing large amounts of data.

Test: Memory - Question 6
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What is the primary disadvantage of optical discs, such as CDs and DVDs?

Detailed Solution: Question 6

The primary disadvantage of optical discs, such as CDs and DVDs, is that they are prone to mechanical deformation, dust, and scratches due to their thin plastic material.

Test: Memory - Question 7
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Which secondary memory device is known for its portability, re-writability, and ease of carrying?

Detailed Solution: Question 7

A pen drive is known for its portability, re-writability, and ease of carrying. It is a small, removable storage device that connects to a computer via USB.

Test: Memory - Question 8
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What is the typical storage capacity of a standard Compact Disc (CD)?

Detailed Solution: Question 8

A standard Compact Disc (CD) typically has a storage capacity of 760 MB, and it is commonly used for storing music and software packages.

Test: Memory - Question 9
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What is the purpose of the CPU cache in a computer?

Detailed Solution: Question 9

The CPU cache in a computer is designed to hold frequently used data for quick access by the CPU, reducing the need to fetch data from slower memory.

Test: Memory - Question 10
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Which type of memory stores data using a combination of PITs (Binary Value '0') and LANDs (Binary Value '1')?

Detailed Solution: Question 10

Optical discs store data using a combination of PITs (Binary Value '0') and LANDs (Binary Value '1'). These represent binary values and are read using laser beams.

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About this UPSC Practice Test

This test contains 10 MCQs on Memory with detailed solutions for each question. It is part of the Lucent For GK course on EduRev, designed to align with the current UPSC syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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