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MEMORY - Coggle Diagram
MEMORY
DEFINITION OF MEMORY
memory consists of electronic components that store instructions waiting to be executed by the processor.
FUNCTION OF MEMORY
store data and instructions waiting to be executed
result of processing the data
TYPES OF MEMORY
volatile memory
non-volatile memory
VOLATILE MEMORY VS NON-VELOTILE MEMORY
VOLATILE MEMORY
loses its content when power is turned off
temporary
RAM : SRAM, DRAM, MRAM
NON-VOLATILE MEMORY
does not lose its content when power is turned off
permanent
ROM, FLASH MEMORY, CMOS
ROM : PROM, EPROM, EEPROM
RAM VS ROM
RAM
volatile
read from and written by processor
temporary scratch pad that processor uses while carry out operation
ROM
non-volatile
data prerecorded for read only and cannot be removed
instructions to start computer on a special chip known as ROM BIOS