Phrases Computer Memory Back-up Devices Previous Year Question Paper and Solution with PDF

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Phrases Computer Memory Back-up Devices PYQ

Qus : 1 Phrases PYQ

Consider the following type of memories.

(A). Hard Disk Drive (HDD)

(B). Cache Memory

(C). Random Access Memory (RAM)

(D). Registers Arrange the above memories according to their access speed (from fastest to slowest)

1. (D), (C), (B), (A)

2. (A), (C) (B), (D)

3. (B), (D), (C), (A)

4. (D), (B), (C), (A)

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Phrases Previous Year PYQ Phrases CUET 2025 PYQ

Solution

We need to arrange memories from fastest to slowest in terms of access speed:

Registers (D): Fastest (located inside CPU).
Cache Memory (B): Next fastest (very close to CPU, faster than RAM).
RAM (C): Slower than cache.
Hard Disk Drive (A): Slowest (secondary storage).

So the correct order is:

$(D), (B), (C), (A)$

Qus : 2 Phrases PYQ

Arrange the following in increasing order of their per unit cost.

(A) DRAM

(B) Magnetic disk

(D) SRAM

(E) Magnetic tape

Choose the correct answer from the options given below:

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Phrases Previous Year PYQ Phrases CUET 2024 PYQ

Solution

Per unit cost comparison (lowest → highest):

(E) Magnetic tape → Cheapest (backup/archive storage)
(B) Magnetic disk → Hard disk, inexpensive
(C) Optical disk → CD/DVD/Blu-ray, costlier than HDD
(A) DRAM → Main memory, more expensive
(D) SRAM → Cache memory, fastest and most expensive

Final Order (increasing per unit cost):

E < B < C < A < D

Qus : 3 Phrases PYQ

Match List – I with List – II

List - I	List - II
(A) Flash Memory	(I) Oldest and Slowest
(B) PMOS	(II) Used in large scale integration (LSI)
(C) NMOS	(III) Least power consumption
(D) CMOS	(IV) Non volatile RAM which is powered continuously

Choose the correct answer from the options given below:

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Phrases Previous Year PYQ Phrases CUET 2024 PYQ

Solution

Solution:

List - I	List - II	Match
(A) Flash Memory	(IV) Non-volatile RAM which is powered continuously	A → IV
(B) PMOS	(I) Oldest and slowest	B → I
(C) NMOS	(II) Used in large scale integration (LSI)	C → II
(D) CMOS	(III) Least power consumption	D → III

Final Answer: (A) → (IV), (B) → (I), (C) → (II), (D) → (III)

Qus : 4 Phrases PYQ

Which of the following storage hardwares can be used as a back-up device?

A. HDD

B. ROM

C. RAM

D. Cache

E. Magnetic Tape

Choose the correct answer from the options given below:

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Phrases Previous Year PYQ Phrases CUET 2022 PYQ

Solution

Qus : 5 Phrases PYQ

The idea of cache memory is based on the which of the following?

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Phrases Previous Year PYQ Phrases CUET 2024 PYQ

Solution

Qus : 6 Phrases PYQ

Arrange the following steps of retrieving data from memory unit.

(A) Memory Address Register send address to memory chip

(B) The address is placed on address bus

(D) Data is retrieved and place into the Memory Data Register

Options:

(a) D, C, A, B

(b) A, B, C, D

(d) B, D, A, C

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Phrases Previous Year PYQ Phrases CUET MCA 2026 PYQ

Solution

1. Memory Address Register (MAR) sends the address → (A)
2. Address is placed on the address bus → (B)
3. Control unit sends the read signal → (C)
4. Data is fetched and stored in Memory Data Register (MDR) → (D)

Correct Order: A → B → C → D

Correct Answer: (b) A, B, C, D

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