L1. Computer - Inside the System Unit

_______ protects the internal electronic components from damage.

• RAM

• ALU

• System Unit

______ controls each part of computer.

• Motherboard

• CPU

• CD-ROM

Speed of CPU is measured in _______.

• MHz

• GHz

• Both

A volatile memory.

• Hard Disk

• RAM

• ROM

Fan fitted inside the ______ keeps the power supply cool.

• CD-ROM

• SMPS

• Ports

The drives used for holding data and instructions for future use.

• ROM

• CPU

• Disk

Motherboard is also known as system board.

• True

• False

Memory of the computer is measured in MHz.

• True

• False

RAM stores data permanently.

• True

• False

Hard disk drive reads information stored on CDs / DVDs.

• True

• False