CUET PG MCA Computer Memory Back-up Devices Previous Year Question Paper and Solution with PDF

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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:

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:

Flash Memory (A):
- Flash memory is a type of non-volatile RAM that retains data even when power is turned off. It is often used in devices like USB drives, SSDs, and memory cards.
PMOS (B):
- PMOS (P-type Metal-Oxide-Semiconductor) is one of the oldest and slowest types of MOSFET technology. It was widely used in early integrated circuits.
NMOS (C):
- NMOS (N-type Metal-Oxide-Semiconductor) is commonly used in large-scale integration (LSI) due to its faster switching speed compared to PMOS.
CMOS (D):
- CMOS (Complementary Metal-Oxide-Semiconductor) is known for its low power consumption because it uses both PMOS and NMOS transistors in a complementary way, reducing static power dissipation.