Dale - Computer Science Illuminated 144

Dale - Computer Science Illuminated 144 - 5.1 Individual...

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Unformatted text preview: 5.1 Individual Computer Components 117 Before we go on to describe computer components in the abstract, let’s go through this ad and decipher the acronyms. After this exercise, we go through all of the material again in more depth, so don’t be concerned if the terms seem confusing. You’ll see all of them defined again later. The first line describes the central processor inside the computer. This description tells you how powerful the computer is. The central processor is an Intel Pentium IV processor. We mentioned in the last chapter that this is a common 32-bit processor. The 1.4 GHz tells how fast the processor is. The abbreviation G is short for Giga, which in computer terms stands for 10 9 . Hz stands for hertz, a unit of frequency equal to one cycle per second, named for Heinrich R. Hertz. Therefore, the speed of this processor is 1,400,000,000 cycles per second. (Faster is better.) The next line describes the memory that comes with the machine, called the main memory. 128MB tells you how much memory comes with thethe main memory....
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