The CPU is the ... of the computer.

• heart

• brain

• liver

• head

The processing unit in each CPU is known as

• byte

• bit

• core

• unit

A quad core CPU has ... processors.

• 1
• 2
• 2
• 4

A dual core CPU has ... processors.

• 1
• 2
• 3
• 4

A processor speed is also known as ... speed.

• clock
• hard disk
• RAM
• fast

Clock speed is measured in ...

• Gigahertz
• Kilohertz
• Terahertz
• Megahertz

A processor with 2.5 GHz can perform 2.5 billion calculations in one ...

• nanosecond
• second
• minute
• hour

Which of the following are system specifications?

• Capacity of secondary storage

• Clock (Processor) speed

• Typing speed

• Size of display screen

• Number of processor cores

Which of the following is NOT a secondary storage?

• hard disk
• flash drive
• solid state drive (SSD)
• random access memory (RAM)

What should you do when a notification "low memory" appear on your laptop?

• close all unnecessary programs
• delete the program you are using
• reboot the computer
• shut down the computer