Banking Computers Science Sample Paper Computer - Sample Paper - 17

  • question_answer
    What characteristic of read-only memory (ROM) makes it useful?

    A) ROM information can be easily updated

    B) Data in ROM is nonvolatile. 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

    E) None of these

    Correct Answer: B

    Solution :

    ROM (Read Only Memory) is a "built-in" memory that is capable of holding data and having that data or read from the chip. But not written to. Data is pre-pressed on ROM chip by manufacturer. Unlike RAM. ROM retains its contents even when the computer is turned off ROM is referred to as being non-volatile whereas RAM is volatile.


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