Page 19 - Viva ICSE Computer Studies 3 : E-book

• Speakers: We use speakers to listen to music and sounds on a
computer.

Speakers

• Microphone: We can record our voice and other sounds into a
computer using a microphone.

Microphone

• Pen drive: We use a pen drive to store data and transfer it from a
computer to any other device. It is small in size and can be easily

handled.
Pen drive

• Hard disk: We can store a huge amount of data and information
in a hard disk. It is found inside the CPU.

Hard disk

• Compact disk (CD): We can store information in a CD. It is a
round, fl at and shiny disk.

Compact disk (CD)

• Digital versatile disk (DVD): DVD also looks similar to a CD. It can
store a large amount of data.

Digital versatile
disk (DVD)

• Light pen: It is a pointing device which is shaped like a pen. It contains
light sensors and is linked to the monitor. Everything that we write
using this pen on a special pad can be seen on the monitor. LIght pen

Software

Software is a set of instructions that perform a specifi c
Think and Discuss
task on a computer system. There are two types of
Can we touch a software?
software: system software and application software.

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