General Concepts About Computer

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Presentation transcript:

General Concepts About Computer

What Is A Computer? We enter a picture to the computer and format it (change its color…) then the computer will produce the picture after it has been modified and stored it We enter numbers to the computer the computer will calculate these numbers(add…) then the computer will produce the results and stored it So the Computers can perform four general operations: Input(data) Process (depend on the program that we use) Output (information) Storage

What Is A Computer? computer is an electronic device, that can accept data (input), manipulate data (process), and produce information (output) ,and it is operating under the control of instructions (software).

The difference between data and information

Exersize : We enter Sales and Cost to the computer the computer will calculate these numbers(add…) then the computer will produce the total of the sales ,the total of the cost the Profits and stored it Data :………………………… Information : ………………………….. Process :…………………….

Advantages of computers : Speed Accurate Save data Economic Network communication

Type of computer according to their work Analog computer:

Type of computer according to their work Digital computer:

Type of computer according to their size 1- Super Computer

Type of computer according to their size 1- Main frames

Type of computer according to their size 3- Mini Computer:

Type of computer according to their size 4- Micro Computer: Pc , lap top…

Type of computer according to their size 5-workstation computer :

Type of computer according to their size 6-control computer :