Page 14 - ICT_for_JHS_2_Classical

For easy access

Uses and importance of storage Devices

They are used for making Back-Up copies of important information.
(NB: Back-Up means copy of any information on a computer stored on
storage devices).
Storage devices make it possible to produce and distribute commercial
software.

For storing information.
Storage devices are used for transferring or sharing information
between computers
They are used for storing software and information that you do not need
to use immediately.
Use for securing information and data.

Difference between Hard Disk and Flash Drive (Pendrive)

Hard Disk Pen Drive

1 Much greater storage capacity Less storage capacity
2 Usually fixed Removable
3 Heavy in weight Lighter in weight

4 Faster Slower
5 It is larger (less portable) It is much smaller (more portable)

Difference between Hard Disk and Optical Storage

Hard Disk Optical Storage

1 Much greater storage capacity Less storage capacity

2 Usually fixed Removable
3 Heavy in weight Lighter in weight
4 Durable Breakable

5 Faster Slower

NB: Formatting a disk refers to preparing a disk for use or preparing a disk to