1.1 - Internal components of a computer

The ____ is the computer's main circuit board. The ____ connects directly or indirectly to every part of the computer.

• CPU
• RAM
• Hard drive
• Motherboard

Its job is to carry out commands. Whenever you press a key, click the mouse, or start an application, you're sending instructions to the ___.

• CPU
• RAM
• Hard drive 
• Motherboard

___ is measured in megabytes (MB) or gigabytes (GB). The more ___ you have, the more things your computer can do at the same time.

• CPU
• RAM
• Hard drive
• Motherboard

The ___ is where your software, documents, and other files are stored. The ___ is long-term storage, which means the data is still saved even if you turn the computer off or unplug it.

• CPU
• RAM
• Hard drive
• Motherboard

It sends power through cables to the motherboard and other components.

• Expansion Cards
• Bluetooth
• Power supply
• Heat sink

In order to keep the temperature to a minimum and to stop damage to the CPU a large ____ is required.

• Expansion card
• Bluetooth
• Power supply
• Heat sink

___ is the main memory that is used to store computer programs and data that are currently in use.

• RAM

• ROM

• CD Drive

• DVD Drive

This is a device which fits into an expansion slot on the Motherboard and can be used to produce high quality displays for your monitor.

• RAM
• DVD drive
• Graphics card
• CD drive

____ are required in every machine connected to the network. They allow the signal from the network to be transmitted to the machine – this could be via a fixed cable, infra red or radio waves.

• Graphic cards
• Network Interface Card (NIC)
• Sound cards
• DVD drive

Because graphics cards use a lot of power they need a ____.

• Cooling fan
• Cable
• RAM
• CD drive