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Phrases Previous Year Questions (PYQs)

Phrases Computer Memory Back-up Devices PYQ

Phrases PYQ 2021
One TeraByte(TB)=_________GB and One ExaByte(EB)=_______GB





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Solution

UnitShortenedCapacity
Bitb1 or 0 (on or off)
ByteB8 bits
KilobyteKB1024 bytes
MegabyteMB1024 kilobytes
GigabyteGB1024 megabytes
TerabyteTB1024 gigabytes
PetabytePB1024 terabytes
ExabyteEB1024 petabytes
ZettabyteZB1024 exabytes
YottabyteYB1024 zettabytes
Phrases PYQ 2021
Which of the following is the fastest means of memory access for CPU?





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Solution

Registers are a type of computer memory used to quickly accept, store, and transfer data and instructions that are being used immediately by the CPU. The registers used by the CPU are often termed as Processor registers.
Phrases PYQ 2017
Let the memory access time is 10 miliseconds and cache hit ratio 15%. The effective memory access time is





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Phrases PYQ 2020
Dynamic RAM consumes……. Power and ……than Static RAM





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Phrases PYQ 2023
A wrong sentence related to FAT 32 and NTFS file systems is





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Phrases PYQ 2023
What is the name of the storage device that compensates the difference in rates of flow of data from one device to another?





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Solution

Data Flow Management

Question:
What is the name of the storage device that compensates the difference in rates of flow of data from one device to another?

✅ Correct Answer: Buffer

Explanation:

A Buffer is a temporary storage area that helps in matching the speed of data transfer between a fast and a slow device, ensuring smooth data flow without loss.

Final Answer: Buffer

Phrases PYQ 2023
How many 32K × 1 RAM chips are needed to provide a memory capacity of 256K bytes?





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Solution

Quick Solution

Each RAM chip: 32K × 1 = 32K bits = 4 KB

Total required: 256 KB

Number of chips needed: 256 ÷ 4 = 64

✅ Final Answer: 64 chips

Phrases PYQ 2016
Consider a hard disk with 16 recording surfaces (0 – 15) having 16384 cylinders (0 – 16383) and each cylinder contains 64 sectors (0 – 63). Data storage capacity in each sector is 512 bytes. Data are organized stored in the disk and the starting disk location of the file is < 1200, 9, 40>. What is the cylinder number of the last sector of the file, if it is stored in a contiguous manner?





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Phrases PYQ 2016
A hard disk has a rotational speed of 6000 rpm. Its average latency time is





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