FUNDAMENTALS OF COMPUTER

COMPUTER HARDWARE COMPONENTS FUNCTIONS

COMPUTER OUTPUT DEVICES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which one of these is an output device?
A
Mouse
B
Projector
C
Keyboard
D
Microphone
Explanation: 

Detailed explanation-1: -A projector is an output device that presents images onto a projection screen and can be connected to a computer, and can replace a monitor or television to project images to a big group of people. Projectors come in various forms and sizes and are used in auditoriums and movie theatres.

Detailed explanation-2: -A projector or image projector is an optical device that projects an image (or moving images) onto a surface, commonly a projection screen. Most projectors create an image by shining a light through a small transparent lens, but some newer types of projectors can project the image directly, by using lasers.

Detailed explanation-3: -Examples include monitors, printers, speakers, headphones, projectors, GPS devices, optical mark readers, and braille readers.

Detailed explanation-4: -Data projectors are output devices used to project the digital output from a computer device on to a large screen or wall.

Detailed explanation-5: -The HDMI input is the most used connection of a projector. With an HDMI connection you send digital image and sound signals from a laptop, Blu-ray or game computer to the projector. To save space, mini beamers often have a micro HDMI input.

There is 1 question to complete.