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The Components of the System Unit by Mind Map: The Components of the System Unit
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The Components of the System Unit

The System Unit

The inside of the system unit on a desktop personal computer includes.

Processor

Also called the central processing unit (CPU), interprets and carries out the basic instructions that operate a computer.

Data Representation

ASCII (American Standard Code for Information Interchange) is the most widely used coding scheme to represent data.

Memory

The system unit contains two type of memory

Three basic types of RAM chips exist

Expansion Slot and Adapter Cards

An expansion slot is a socket on the motherboard that can hold an adapter card

An adapter card enhances functions of component of the system unit and/or provides connections to peripherals

Removable flash memory includes

Port and Connectors

A port is the point at which a peripheral attaches to or communicates with a system unit

A connector joins a cable to a port

Buses

A bus allows the various devices both inside and attached to the system unit to communicate with each other

Bays

A bay is an poening inside the system unit in which you can install

Putting it All Together

Home

Small Office / Home Office

Mobile

Power

Enterprise

Power Supply

The power supply converts the wall outlet AC power into DC power

Some external peripherals have an AC adapter, which is an external power supply

Keeping Your Computer or Mobile Device Clean

Clean your computer or mobile device once or twice a year

Turn off and unplug your computer or mobile device before cleaning it

Use compressed air to blow away dust

Use an antistatic wipe to clean the exterior of the case and a cleaning solution and soft cloth to clean the screen