INPUT AND OUTPUT DEVICES

Which output device allows you to hear sound?

• speakers

• microphone

• monitor

Which device is used to control the movement of the pointer on laptop computers?

• touch pad

• track ball

• touch screen

Which device gives the output onto a paper

• printer

• monitor

• speakers

Which device is used to select the objects by directly touching with fingers?

• touch pad

• light pen

• touch screen

How many keys does a standard keyboard have?

• 401

• 104

• 94

Who invented the computer mouse?

• Dr.Engelbart

• Vinod Dham

• Sir Christopher Latham Sholes

The ____________ printer gives very high quality output

• laser

• inkjet

• dot matrix

_________________ devices display the result that we get after processing

• scanner

• printer

• monitor

A CPU is also known as the _________________

• system unit

• control unit

• memory unit

__________ is a set of instructions that enables the hardware to work in a desired manner

• software

• hardware

• malware