test

A touchpad is also called a....... the pointer by making a drawing motion with your fingers. Touchpads are common on it is a torch-sensitive pad that lets you control laptop computers.

• A. trackball

• B.trackpad

• C. trackmouse

• D. trackhand

it sends power through cables to the....... and other components

• A. CPU

• B. motherboad

• monitor

What is the full form of CPU?

• computer processing unit

• central processing unit

• central primary unit

• computer primary

input devices include

• keyboards, mice, scanners, digital cameras and joytick

• keyboards, mice, scanners, digital cameras and headphone

• keyboards, mice, scanners, plotters and joytick

• keyboards, mice, scanners, digital cameras and speakers

PSU stand for....

• power supply unit

• power store unit

• personal supply unit

• personal store unit

ROM =

• read of memory

• read on memory

• read only memory

• read memory

which one of these words below does not belong to the input devices?

• keyboard

• mouse

• printer

• camera

which one of these words below does not belong to the output devices?

• headphone

• speaker

• joystick

which one does not belong to the mechanical mouse?

• ball

• LED

• roller

• circuit

which component does not the optical mouse have?

• battery

• LED

• roller

• circuit board