Which of the following is a characteristic of flash memory?
A. It is used only for firmware
B. It is slower than DRAM
C. It has no moving parts
D. It is volatile
Answer: Option C
Solution (By JKSSB Mock Tests)
Flash memory is non-volatile and has no moving parts (solid-state). It is used in SSDs, pen drives, and memory cards. It is slower than DRAM but faster than HDDs.
Explanation:
SPD is a small EEPROM on a DIMM that stores information about the memory module's size, speed, voltage, and timings, which the BIOS reads to configure the memory controller.
Explanation:
Virtual memory is a memory management technique that uses secondary storage (like an HDD or SSD) to simulate additional RAM, allowing programs to run even if they exceed physical memory capacity.
Explanation:
ROM is non-volatile and retains data without power. However, for long-term storage, hard disks and SSDs are more common; ROM is typically used for firmware. Among the options, ROM is non-volatile.
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