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Introduction to Computer

Introduction to Computer

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Page 1: Introduction to Computer

Introduction to ComputerIntroduction to Computer

Page 2: Introduction to Computer

Computer definition

Is an electronic machine which to store and manipulate data to extract information

Page 3: Introduction to Computer

1-Speed

2-Resolution

3-The possibility of storage

4-Communications network

Computer Features

Page 4: Introduction to Computer

Computer componentsComputer components

SoftwareSoftware HardwareHardware

Page 5: Introduction to Computer

Hardware

1. (Processing Unit).

2. (Memory Unit).

3. (Input Units).

4. (Output Units).

5. (Storage Unit).

Page 6: Introduction to Computer

Control UnitControl UnitArithmetic and Logic Unit Arithmetic and Logic Unit

“ALU“ALU””

)Processing Unit(

The unit of measurement speed of the The unit of measurement speed of the CPU is Almijahrtz MHzCPU is Almijahrtz MHz

Page 7: Introduction to Computer

(Memory Unit)

Types of Memory

ROM RAM

Lose its contents once the device is switched off

Do not lose its contents when the device is switched off

Page 8: Introduction to Computer

Input UnitsInput Units

KeyboardMouseScannerBar code reader

Keyboard

Page 9: Introduction to Computer

Output UnitsOutput Units

MonitorPrinterSpeakers

Page 10: Introduction to Computer

The units are used for input and output

Touch monitor Devices and infrared units and Bluetooth modules

Page 11: Introduction to Computer

Internal storage units ))Hard Disks

External storage units)Floppy disk(

Storage Unit

Page 12: Introduction to Computer

Storage Unit

.

Storage UnitStorage Unit

CD-ROM CD-ROM Floppy DisksFloppy Disks Hard DisksHard DisksDVDDVD

.