Introduction to Computers

Front

What is a computer?

Back

An electronic device that operates under the control of instructions stored in its own memory unit, capable of accepting data (input), manipulating the data according to specified rules (process), producing information (output) from the processing, and storing the results for future use.

Front

What functions can a computer perform?

Back

A computer can accept data (input), manipulate the data according to specified rules (process), produce information (output) from the processing, and store the results for future use.

Front

How does a computer work with information?

Back

A computer works with information by accepting data, processing it according to specified rules, producing output, and storing the results.

Front

input

Back

Devices that enable commands to be given to a computer.

Front

output

Back

Device that provides feedback from the computer.

Front

storage

Back

Devices used to save data.

Front

data

Back

Facts and statistics collected or analysis or reference

Front

AND

Back

Use AND between two terms to make certain the search engine

brings back only searches with both terms.

Front

OR

Back

Use OR between terms to get at least results on one or the other

terms.

Front

NOT

Back

Use NOT when you want to restrict search terms so they don’t

show up in the results.