Page 20 - Viva ICSE Computer Studies 4 : E-book

3. What are storage devices? Write a note on hard disk.
4. Diff erentiate between the following.

(a) CD, DVD and Blu-ray disk
(b) RAM and ROM

(c) Pen drive and memory stick
(d) Internal memory and external memory

Building Values and Life Skills

If your friend has shared some fi les with another person and you fi nd that person sharing
those files with his friend, what would you do?

Testing Knowledge

Harpreet wants to copy an animated movie from her friend’s computer. Which device
should she use?

Linking Knowledge

Mathematics: Convert the following values.
2 Byte = __________ kB

4 EB = __________ PB = __________ ZB

Lab Fun

1. Create a Word document on storage and memory devices.

2. Right-click on the file and select properties. A dialog box will open. Click on General on
the top left corner to check the size of the file. Convert this value to bits.

8 8