INTRODUCTION TO COMPUTERS

Introduction to Hardware

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  • Basic computer hardware.
  • Purpose of each device.
  • The connectivity of each component.
  • Completion be able to identify each component.

 

You turn your computer on by pushing the button on the front of the computer.

 

Central Processing Unit (CPU) - Currently the Pentium chip or processor, made by Intel, is the most common CPU though there are many other companies that produce processors for personal computers.

 ANOTHER PROCESSOR

AMD dual-core technology enables you to work or play with multiple programs without impacting performance.

 

A typical computer is built with the microprocessor, main memory, and other basic components on the motherboard. Other components of the computer such as external storage, control circuits for video display and sound, and peripheral devices are typically attached to the motherboard via ribbon cables, other cables, and power connectors.

Keyboard - The keyboard is used to type information into the computer.

Inside the computer is the motherboard.

Disk Drives - Often the term 'disk' and 'drive' are used to describe the same thing but it helps to understand that the disk is the storage device which contains computer files - or software - and the drive is the mechanism that runs the disk.

 

Generally, the mouse has two buttons the left one used to select objects and text, and the right one used to access menus.

 

One type of mouse has a round ball under the bottom of the mouse that rolls and turns two wheels, which control the direction of the pointer on the screen.

 The monitor shows information on the screen when you type.

 This is called outputting information.

 

The printer takes the information on your screen and transfers it to paper or a hard copy.

 

Sound cards allow computers to produce sound like music and voice.

Network cards allow computers to connect together to communicate with each other.

 

Memory - An example of the difference between memory and storage would be the difference between a table where the actual work done (memory) and a filing cabinet where the finished product is stored (disk).