1. What is RAM, Explain Different Types of RAM
2. What is ROM Explain Different Types of ROM
Here we discuss differences between RAM and ROM
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|1||RAM stands for Random Access Memory||ROM stands for Read Only Memory.|
|2||RAM is a temporary memory.||ROM is a permanent memory.|
|3||RAM is a volatile memory.||ROM is a non volatile memory.|
|4||When computer is turned off, all data and programs are |
erased from RAM.
|When computer is turned off, all data and programs are |
retained in ROM.
|5||RAM is a Read / Write memory. Data can be read and written |
|ROM is a read only memory. Data from ROM only can be read |
and not written.
|6||Data and programs in RAM can be changed.||The contents of ROM cannot be changed.|
|7||Data or programs in RAM can be deleted.||Contents of ROM cannot be deleted.|
|8||The instructions and data are written (loaded) in RAM |
at execution time, when computer is working.
|The instructions in ROM are written at the time of |
|9||RAM is used to load data and programs currently running.||ROM contains the instructions that help the computer to |
start-up and make it ready for work.
|10||RAM is much faster than ROM.||ROM is slower than RAM.|
|11||RAM has two main types: Static RAM and Dynamic RAM||ROM has three types: PROM, EPROM and EEPROM|
|12||Physically RAM chip is larger than ROM chip.||Physically ROM chip is smaller than RAM chip.|
|13||Picture of RAM is: |
|Picture of ROM is: |