COMPUTER FUNDAMENTALS

COMPUTER ARCHITECTURE

SECONDARY STORAGE DEVICES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is non-volatile?
A
RAM
B
ROM
C
Cache
D
Hard disk
Explanation: 

Detailed explanation-1: -Examples of non-volatile memory include read-only memory, flash memory, ferroelectric, most types of magnetic computer storage devices (e.g. hard disk drives, floppy disks, and magnetic tape), optical discs, and early computer storage methods such as paper tape and punched cards.

Detailed explanation-2: -RAM is volatile memory used to hold instructions and data of currently running programs. It loses integrity after loss of power. RAM memory modules are installed into slots on the computer motherboard. ROM (Read-Only Memory) is nonvolatile: data stored in ROM maintains integrity after loss of power.

Detailed explanation-3: -Detailed Solution Of the given option only EEPROM is a non-volatile memory the rest are volatile memories. SRAM (static RAM) is random access memory (RAM) that retains data bits in its memory as long as power is being supplied.

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