Functions of output devices:
Webcam: A webcam is a digital video device commonly built into a computer. Its main
function is to transmit pictures over the Internet. It is popularly used with instant messaging
services and for recording images.
Speaker: Converts digital signals into audible sound waves.
Microphone:
A microphone is a device that translates sound vibrations in the air into electronic signals
and scribes them to a recording medium or over a loudspeaker
Monitor: The main output device of a computer. It forms images
by converting electrical
energy into light in the form of tiny dots on the screen called pixels. The sharpness of the
image depends upon the number of pixels
Printer: Used to print information on paper. Commonly uses
either lasers or inkjets to
precisely place ink onto the page to recreate text and high-quality images.
Headphone: Headphones are a pair of small loudspeaker drivers worn on or around the
head over a user's ears
Task 2: Study the language chart on comparative and cumulative (Superlative)
degrees of adjective and make up your own sentences
1.
My mother is short but my father is fairly
tall.
2.
He's acting
funny
today.
3.
He is very
clever
and endlessly resourceful.
4.
He has a
useful
gift.
5.
Everything seemed dark,
obscure
and terrible.
6.
There was an
interesting
article in the newspaper today.
7.
She seems
good
at math.
8.
I have a
bad
pain in my
lower back
