Computer Hardware Components: CPU, Memory, and I/O

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Computer Hardware Components

In this chapter:

How did the computer become known as the stored-program computer?
Do they all have the same characteristics?
Memory on chips and memory on magnetic media, how do they differ?
What do you look for when comparing memory devices?
How is information moved around within the computer?
How can you help your computer run better?


Basic Concepts of Computer Hardware



Input/Output (I/O): Refers to the process of getting information into and out of the computer.
Input: Those parts of the computer receiving information to programs.
Output: Those parts of the computer that provide results of computation to the person using the computer.


Input Devices


Two categories of input hardware:
.Those that deal with original data.
.Those that handle previously stored data.