Page 21 - Computer - 3

Knowledge Discovery Subject Enrichment

You need a special device called Disc drive to read or write
data onto a CD, DVD, or BD. A DVD writer can read data from

both CDs and DVDs. A BD reader is used to read or write data
from and to a blu-ray disc.

Pen Drive
A Pen drive, also called a USB Flash drive, is a portable storage device.

It is used to easily transfer audio, video, and data files from one
computer to another. They come in different shapes and capacities.
The storage capacity of a pen drive is from 4 GB upto 1 TB. Pen Drive

Try This Logical Thinking

In the word grid given below, search and encircle the names of six hardware devices. The
names can be found horizontally or vertically.

P R I N T E R D

E T H E R M U S
N O S E V O B C

D V D X C N B A
R Q X T Z I E N

I H G L X T J N
V W S S D O F E

E H C P U R B R

SOFTWARE

Software is a set of instructions or programs used to operate hardware and help
users execute specific tasks. Unlike hardware, software cannot be seen or touched.

A computer cannot perform any of its tasks properly without software.

Software is generally divided into two categories:

1. System Software

2. Application Software

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