A+ 1.1.7 Internal Components

What does the power supply in a computer do?

• Converts DC power from the wall into AC power for the computer

• Converts AC power from the wall into DC power for the computer

• Stores data long term

• Cools the CPU

What is the function of the CPU fan and heat sink?

• To store data long term

• To convert AC power to DC power

• To pull heat away from the CPU and dissipate it

• To connect different components of the computer

What is the motherboard often compared to in a computer?

• The brain

• The heart

• The lungs

• The stomach

Where are the computer's memory modules, or RAM, inserted?

• Into the CPU

• Into the power supply

• Into the motherboard

• Into the hard disk drive

What happens to the data in the memory modules when the power supply is turned off?

• It is stored permanently

• It is transferred to the hard disk drive

• It is erased

• It is converted to AC power

What type of cable do most hard disk drives use to connect to the motherboard?

• USB cable

• Ethernet cable

• SATA cable

• HDMI cable

What type of cable do newer optical drives use?

• IDE cables

• SATA cables

• USB cables

• Ethernet cables

What is the function of one of the cables connected to storage devices?

• Connects the device to the monitor

• Connects the device to the power supply

• Connects the device to the keyboard

• Connects the device to the printer

What is an expansion card used for?

• To increase the size of the monitor

• To customize a computer to perform a desired function

• To connect the computer to the internet

• To store data externally

Which type of expansion card allows a computer to play the latest PC games?

• Audio expansion card

• Networking expansion card

• High-end graphics card

• Storage expansion card