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What Is Memory ?

 What Is Memory ?

memory: A memory is a device that is used to store data on a temporary or permanent basis for use in an electronics digital computer .

types of memory


there are two basic types:
1. primary (RAM OR ROM)
2. secondary memory (hard drive ,CD,etc)

Random access memory (RAM) is a primary-volatile memory and
 Read only Memory (ROM) is primary non volatile memory

RAM :
RAM is short "Random access memory " and while it might sound mysterious , RAM is one of the most fundamental elements of computing. RAM is the super-fast and temporary data storage space that a computer needs to access right now or in the next few moments. 

types:
1. SRAM (Static Random access memory)
2.DRAM (Dynamic Random access memory)







SRAM Vs DRAM



ROM:
ROM is  short for "read-only memory" is a non-volatile memory type. This means it receives data  and permanently writes it on a chip, and it lasts even after you turn off your computer. The data is coded to not be overwritten, so it's used for things like your printer software or your startup programs. 

Types-

1. PROM (Programmable read-only memory)
2 .EPROM ( (Erasable programmable read-only memory)
3. EEPROM (Electrically erasable programmable read- only memory)
4. MROM  ( Mask programmable read- only memory)

basic difference between RAM and ROM


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