Презентация на тему Computer Hardware

Refers to the tangible (things you can touch) components

Output Devices

a computer. You can use input devices to enter

OUTPUT DEVICE

An output device displays information on a screen, creates printed copies or generates sound.

SYSTEM UNIT

The system unit is the part of the computer which is responsible for accepting and processing the data brought in by the input devices

computers.
Used to type data into the computer.

moving objects
Mouse
Joystick
is an input device which is commonly used

used to draw, write, or issue commands when it

or graphics and view them on the computer.
Scanner
Microphone

Used to input sound into a computer

that produces text and graphics on paper

output.

video, images or computer data on a screen or

Multimedia Projector

Speaker

Play sounds transmitted as electrical signals from the sound card.

store billons of characters of data on a nonremovable

The motherboard is the main circuit board of a microcomputer. It is also known as the mainboard or system board

stands for Integrated Device Electronics. is a standard electronic interface used between a computer motherboard and the computer's disk storage devices

of the program in sequence, to perform the basic

CPU

Power Supply

it supplies power from the power supply to the drive. The power cables are red, yellow and black. The yellow wire furnishes 12 volts of power, the red wire furnishes 5 volts of power, the two black wire are ground wire for each.

two fundamental types: The main/primary memory and the secondary

Memory

Primary Memory

RAM

Secondary Memory

HDD

floppy disk.
Floppy Disk Drive
CD/DVD Drive
is a device that reads

computer to give it display capabilities.
Video Card
Sound

enhances the computers sound generating capabilities by allowing sound to be output through speakers.

Modem

A modem is a device that sends and receives data over telephone lines to and from computers.