Information and Communication Technology (ICT)
8.17
DVD-RAM is used for long-term storage, while RAM
is used for temporary storage but that is faster and less
expensive.
Read-Only Memory (ROM)
•
ROM is a permanent type of memory in a computer.
•
Manufacturers build a set of instructions into ROM,
and these instructions cannot be accessed or modified
by the user.
•
ROM only allows the user to read data; it cannot be
written to.
•
Every computer contains a small amount of ROM,
which holds instructions for starting up the computer.
Programmable Read-Only Memory (PROM):
PROM is
a memory chip for storing programs, and once it’s ...
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