What is the typical seek time for a consumer 7200 RPM hard drive? MCQ with Answer and Explanation

What is the typical seek time for a consumer 7200 RPM hard drive?
A. About 8-12 ms
B. About 0.1 ms
C. About 50 ms
D. Less than 1 ms
Answer: Option A
Solution (By JKSSB Mock Tests)
Typical seek times for 7200 RPM HDDs are around 8 to 12 milliseconds. SSDs have seek times in microseconds (less than 0.1 ms).

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Practice More Memory and Storage Devices Questions

Question #1
Which of the following is a type of memory that can be read and written at high speed but is volatile?
A. Magnetic disk
B. Flash
C. RAM
D. ROM

Correct Answer: Option C


Explanation:
RAM is volatile and can be read and written quickly. ROM and flash are non-volatile, and magnetic disk is slower non-volatile storage.

This question belongs to: Computer Memory and Storage Devices
Question #2
Which of the following is a type of memory that is used for storing the bootloader in a microcontroller?
A. Flash memory
B. SRAM
C. EEPROM
D. DRAM

Correct Answer: Option A


Explanation:
Microcontrollers often have on-chip flash memory for storing the bootloader and program code, as it is non-volatile and can be reprogrammed.

This question belongs to: Computer Memory and Storage Devices
Question #3
How many bits are contained in a standard hexademical digit stored in computer memory?
A. 8 bits
B. 4 bits
C. 16 bits
D. 2 bits

Correct Answer: Option B


Explanation:
A single hexadecimal character represents values from 0 to 15, which maps to a 4-bit binary sequence (a nibble).

This question belongs to: Computer Memory and Storage Devices