Computer Input and output devices

How many types of monitors are there?

• 5

• 2

• 4

• 3

What is the full form of LCD?

• Least crystal display

• Visual Display unit

• Liquid crystal display

What is the speed of impact printers?

• 400-500 characters per second

• 50-60 characters per second

• 30-600 characters per second

• 80-1000 characters per second

What is the short form of Visual Display unit?

• VDU

• VISC

• CRT

joysticks were originally used by

• Gamers

• Designers

• Hackers

• Pilots

Laser printers produce marks on paper by using a fine dust called--------

(a)  

What can used instead of a mouse

• Light pen

• Touch pad

• Webcam

• Joystick

Which of the following is not a example of secondary devices?

• Hard disk

• Flash drive

• Blu-Ray disk

• Magnetic tape

• Rom

which keyboard do we use

• Qwerty

• Asdfg

• zxcv

A scanner works like a (a)   machine