Wednesday, July 24, 2019

(79) MEMORY

Ø Storage device:-
Primary memory.
secondary memory
Ø primary memory:-
1.   Ram- 1. static ram
              2. Dynamic ram.
2. Rom- 1. Prom.- Eprom- 1. eeprom 2. Uverom.
Ø Secondary memory:-
 1. Sequential access
 2. Direct access. 1. Optical disk. 2. Magnetic disk

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