Page 28 - ICT_for_JHS_1_Classical

Software whether purchased or free can be downloaded to a computer over the
Internet. Once downloaded, setup files are run to start the installation process on
the computer.

Relationship between Hardware and Software
Hardware and software are mutually dependent on each other. Both of them

must work together to make a computer produce a useful output. Software
cannot be utilized without supporting hardware.
Hardware without set of programs to operate upon cannot be utilized
and is useless.
To get a particular job done on the computer, relevant software should
be loaded into the hardware

Hardware is a one-time expense. Software development is very
expensive and is a continuing expense.
Different software applications can be loaded on hardware to run
different jobs.
Software acts as an interface between the user and the hardware.
If hardware is the 'heart' of a computer system, then software is its 'soul'. Both
are complimentary to each other.

Differences between Hardware and software

Hardware are tangible (i.e. can be seen and touched) but software are
intangible (i.e. cannot be seen and touched)

Hardware cannot be affected by virus but software can be affected by
virus
Hardware cannot be transferred from one place to another but software
can be transferred electronically from one place to another via networks
Hardware cannot be duplicated (backed up) but software can be
duplicated (backed up)
Hardware can only be replaced when damaged but software can be

reinstalled when there's a backup.

Summary
• Hardware: A computer item you can physically see or touch.

• A typical computer hardware includes the system unit, monitor, keyboard
and mouse.
• Software: A computer program that tells computer hardware how to