Class 4 | Chapter 5 | Output Decvice

Output Device

Answer the following questions.
a) What is output of the computer?
Ans: Computer process input data to produce meaningful information or result is called output of the computer.
b) What are the output devices? Write two examples.
Ans: The devices, which are used to give the output of the computer, are called output devices. Examples : Monitor, printer, speaker.
c) Write each example of hard copy and soft copy output devices.
Ans: Monitor shows the soft copy output and printer gives us hard copy output.
d) What is monitor write its types?
Ans:  Monitor is a primary output device also known as Visual Display Unit. It display output in the form of text, pictures and videos.
CRT monitor, LCD Monitor and LED monitor are the types of monitor.
e) What is printer? Write two examples.
Ans: Printer is an output device that is used to print the output on the paper. The result on the paper is known as hard copy output.
There are three types of printer: Dot Matrix Printer, Inkjet printer, Laser Printer
f. What is speaker?
Ans: Speaker is an output device which produce different sound from the computer.
g. Which device gives soft copy output?
Ans: Monitor and speaker gives soft copy output.
h. Which device give hard copy output?
Ans: Printer gives hard copy output.
i. Which is the most popular printer today?
Ans: Laser printer is the most popular printer today.

Write any two different between CRT and LCD monitor.

CRT Monitor	LCD Monitor
1. It is heavier than LCD monitor	1. It is lighter then CRT monitor.
2. It consumes more electric power.	2. It consumes less electric power.

Five the name of the devices.
a) It gives the soft copy output.                 Monitor
b) It gives hard copy output.                      Printer
c) It gives output in the form of Sound.     Speakers
d) It is the most popular printer today.       Laser printer