GENERAL KNOWLEDGE

GK

TECHNOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is access time?
A
Time required to locate and retreive stored data
B
Time required to copy and paste data
C
Time required to restore data
D
None of the above
Explanation: 

Detailed explanation-1: -The amount of time needed to find and retrieve data from a computer’s memory is called access time. Cycle time is the amount of time between the beginning of one random access memory (RAM) access and the beginning of the next access, which is typically measured in nanoseconds.

Detailed explanation-2: -Seek time is the time taken for a hard disk controller to locate a specific piece of stored data.

Detailed explanation-3: -In the case of disk storage, the access time is the average time taken for a disk drive to provide the first byte of data, measured from the time the host issues a read command. To a good approximation, the average access time is the sum of the average seek time, the command overhead, and the average latency.

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