What is the typical speed of a 15,000 RPM hard disk drive? MCQ with Answer and Explanation

What is the typical speed of a 15,000 RPM hard disk drive?
A. Very high performance, used in enterprise servers
B. Used in laptops
C. Common in consumer desktops
D. Only in external drives
Answer: Option A
Solution (By JKSSB Mock Tests)
15,000 RPM drives are high-performance, typically used in enterprise environments for demanding applications, with lower capacities and higher cost.

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Practice More Memory and Storage Devices Questions

Question #1
What is the purpose of a memory shadow?
A. To create a backup of memory
B. To copy ROM contents to RAM for faster access
C. To encrypt memory contents
D. To reduce memory usage

Correct Answer: Option B


Explanation:
Memory shadowing copies BIOS or other ROM contents to faster RAM to improve access speed, since RAM is faster than ROM.

This question belongs to: Computer Memory and Storage Devices
Question #2
Which memory chip technology allows data blocks to be written and erased simultaneously using low-voltage electrical signals over standard circuit layouts?
A. Core Magnetic Grid
B. Flash Memory
C. Mask ROM
D. UV-EPROM

Correct Answer: Option B


Explanation:
Flash memory is an advanced form of EEPROM that allows multiple memory locations to be erased or written in one collective block operation using electrical currents.

This question belongs to: Computer Memory and Storage Devices
Question #3
Which ROM type can be completely erased by exposing its internal semiconductor die to strong ultraviolet (UV) light waves?
A. EPROM
B. EEPROM
C. PROM
D. Flash ROM

Correct Answer: Option A


Explanation:
EPROM (Erasable Programmable Read-Only Memory) chips feature a distinctive transparent quartz window over the die through which ultraviolet light is applied to erase data.

This question belongs to: Computer Memory and Storage Devices