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Add mention of RAM & ROM memory types.

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John Winans 2018-05-24 05:41:32 -05:00
parent 55e4a3fccd
commit b910801e98
1 changed files with 4 additions and 2 deletions
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book/intro/chapter.tex
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@ -50,7 +50,8 @@ small blocks called \glspl{register}. These registers are used to
hold individual data values that can be manipulated by the instructions hold individual data values that can be manipulated by the instructions
that are executed by the CPU. that are executed by the CPU.
Another type of volatile storage is main memory. Another type of volatile storage is main memory
(sometimes called \acrshort{ram})
Main memory is connected to a computer's CPU and is used to hold Main memory is connected to a computer's CPU and is used to hold
the data and instructions that can not fit into the CPU registers. the data and instructions that can not fit into the CPU registers.
@ -78,7 +79,8 @@ the registers and main memory is a desirable trait of good programs.
Non-volatile storage is characterized by the fact that it will {\em NOT} Non-volatile storage is characterized by the fact that it will {\em NOT}
lose its contents when it is powered off. lose its contents when it is powered off.
Common types of non-volatile storage are disc drives, flash cards and USB Common types of non-volatile storage are disc drives,
\acrshort{rom} flash cards and USB
drives. Prices can vary widely depending on size and transfer speeds. drives. Prices can vary widely depending on size and transfer speeds.
It is typical for a computer system's non-volatile storage to operate It is typical for a computer system's non-volatile storage to operate