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What characteristic of read-only memory (ROM) makes it useful?
  • a)
    ROM information can be easily updated.
  • b)
    Data in ROM is non-volatile, that is, it remains there even without electrical power.
  • c)
    ROM provides very large amounts of inexpensive data storage.
  • d)
    ROM chips are easily swapped between different brands of computers.
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
What characteristic of read-only memory (ROM) makes it useful?a)ROM i...
Few important points about ROM(Read Only Memory)-
  • Stores crucial information essential to operate the system, like the program essential to boot the computer.
  • Not volatile in nature
  • Always retain its data in Power failure cases also.
  • Used in calculators and peripheral devices.
  • It's classified into 4 types- PROM, MROM, EPROM, EEROM
ROM are larger in size compared to RAM and they are permanent storage.
Let's analyze the options one by one-
Option (a)- Data stored in ROM cannot be electronically modified after the manufacture of the memory device. So, This statement is false.
Option (b)- This is a true statement as ROM is non-volatile and provides power backup of data.
Option (c)- ROM chips do not have a huge capacity and they are also expensive.
Option (d)-ROM chips are not meant for swapping between the computer. There may be data loss and compatibility issues.
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What characteristic of read-only memory (ROM) makes it useful?a)ROM information can be easily updated.b)Data in ROM is non-volatile, that is, it remains there even without electrical power.c)ROM provides very large amounts of inexpensive data storage.d)ROM chips are easily swapped between different brands of computers.Correct answer is option 'B'. Can you explain this answer?
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