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CS 341 Principles of Operating Systems Notes

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Kodie Turner
CS341
5/6/20
1) RAM:-
RAM or Random-Access Memory is a part of computer's Main Memory.
It is directly accessible by CPU.
RAM is used to read and write data into memory which is accessed by CPU randomly.
RAM is volatile in nature.
RAM is used to store the data that is currently processed by the CPU.
2) ROM: -
ROM stands for Read Only Memory.
From ROM we can only read but cannot write on it.
This type of memory is non-volatile.
The information is stored permanently in such memories during manufacture.
3)PROM: -
PROM stands for Programmable Read Only Memory.
PROM is read-only memory that can be modified only once by a user.
Users enters the desired contents using a PROM program in a blank PROM.
It can be programmed only once and is not erasable.
4) EPROM: -

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Kodie Turner CS341 5/6/20 1) RAM:RAM or Random-Access Memory is a part of computer's Main Memory. It is directly accessible by CPU. RAM is used to read and write data into memory which is accessed by CPU randomly. RAM is volatile in nature. RAM is used to store the data that is currently processed by the CPU. 2) ROM: ROM stands for Read Only Memory. From ROM we can only read but cannot write on it. This type of memory is non-volatile. The information is stored permanently in such memories during manufacture. 3)PROM: PROM stands for Programmable Read Only Memory. PROM is read-only memory that ...
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