VTech Write It Right Computer Especificações descarregar pdf (Página 84)

Appendix

Glossary of Computer Terms

As with any industry, the computer world seems to have a

language all its own. Listed below are some of the most

common words and phrases you will see

relation to personal

computers.

8087 Coprocessor

The 8087 is a computer chip designed to work with the

computer's main microprocessor. The 8087 chip

designed

specifically to speed up mathematical calculations for large

spreadsheets, etc.

8086

The 8086

is a main microprocessor chip. This chip could

considered the "brain" of an IBM

compatible com-

puter because the 8086 chip processes all of your

computer's commands. When you program your computer

to do something, the 8086 chip receives your commands,

and executes them.

8086-1

The 8086-1 chip

is an improved version

the 8086 chip.

The 8086-1 replaces the 8086 and performs

the

same

functions that the 8086 chip does. However, the 8086-1

a "turbo" computer chip. The 8086-1 can run at a speed

of either 4.77 MHz or the turbo/faster speed of

MHz.

Some IBM software programs are designed to run only at

4.77 MHz.

run these programs, your computer would

need a microprocessor that runs at 4.77 MHz. However,

many software titles written today are more flexible. You

can run them at either

4.77

MHz,

you can run them

at "turbo speed". The advantage to owning a computer

with a turbo chip like the 8086-1 is that your computer

can execute commands and work for you faster when

software allows it to. Happily, almost all IBM software

these days lets you take advantage of this turbo speed

feature.

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