February 2016 Archive


USER INTERFACES: KEYBOARD, MOUSE, MONITOR
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USER INTERFACES: KEYBOARD, MOUSE, MONITOR

Every general-purpose computer has a keyboard and monitor (and usually a mouse) to allow people to interact with it. Although the keyboard and monitor are technically separate devices, they work closely together. On mainframes, there are frequently many remote users, each with

Output Software
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Output Software

Now let us look at output software. First we will examine simple output to a text window, which is what programmers usually prefer to use. Then we will look at graphical user interfaces, which other users often prefer. Text Windows Output is simpler than input when the output is sequentially in a single font, size, and color. For the most part, the program sends characters

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