Monday, 30 September 2013

Read only memory (ROM)

Read only memory (ROM)
üROM holds programs and data permanently even when        computer is switched off
ü Data can be read by the CPU in any order so ROM is also     direct access
üThe contents of ROM are fixed at the time of manufacture
üStores a program called the bootstrap loader that helps      start up the computer
üAccess time of between 10 and 50 nanoseconds

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