what is RAM ,ROM. ?
What is RAM.?
The primary storage is referred to as RAM ( RANDOM ACCESS MEMORY) because it is possible to randomly select and use are any location of the memory store and relative data.
RAM is two type
1. Static RAM( SRAM)
2. Dynamic RAM,(DRAM)
What is ROM.?
There is another memory of computer which is called ROM( READ ONLY MEMORY). The ROM can only be read by the CPU( CENTRAL PROCESSING UNIT) but it can't be changed.
ROM is four types
1. PROM
2. EPROM
3. EEPROM
4. FLASH ROM
