What does the term 'random access' mean in memory? MCQ with Answer and Explanation

Question
What does the term 'random access' mean in memory?
A. Data can be accessed in any order with the same access time
B. Data is accessed randomly without addressing
C. Data can only be accessed sequentially
D. Access time depends on the data location
Answer: Option A
Solution (By JKSSB Mock Tests)
Random access memory (RAM) allows any memory location to be accessed directly in roughly the same amount of time, regardless of its physical location.
This question belongs to: Computer Memory and Storage Devices
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Practice More Memory and Storage Devices Questions

Question #1
What type of storage system uses an automated robotic mechanical assembly to swap high-capacity data cartridges or tapes without human intervention?
A. Direct-Attached RAID
B. Virtual Swap Space
C. Tertiary Storage / Tape Library
D. Primary RAM Cache
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Correct Answer: Option C

Explanation:
Tertiary storage systems, like automated tape libraries, use robotic mechanisms to mount and dismount removable media cartridges for massive corporate data archiving.
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 temporary data in a web browser?
A. RAM
B. Cache memory
C. ROM
D. Hard disk
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Correct Answer: Option A

Explanation:
Web browsers store temporary data (cookies, cache) in RAM and also on disk, but the primary temporary storage is RAM for active sessions.
This question belongs to: Computer Memory and Storage Devices
Question #3
Which of the following is a typical latency value for DDR4 RAM?
A. CL14-CL16
B. CL9-CL11
C. CL30-CL36
D. CL18-CL22
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Correct Answer: Option A

Explanation:
DDR4 common CAS latencies are around 14-16, though higher speeds may have CL18-22. DDR3 had CL9-11. DDR5 is higher (CL30+). So A is correct for typical DDR4.
This question belongs to: Computer Memory and Storage Devices
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