
To help you understand two things:
the role of reviews during the life of a computer
based information system
how reviews may be planned for and carried out
effectively.

During the life of a system*
to ensure the system is running as
expected.

The reviews should be
.

This will ensure that the reviews will provide useful
information so that important decisions can be
made.
and
*life of a system = while the system is being used.

Reviews will allow users to

They also allow decision makers to
and needs updating.

They can also be scheduled to
planned
and
which
affect the way the system is operated.
.

Changes in laws and other influences, such as VAT,
can affect the way a computer system might be
operated.

Reviews can be planned to check on how the
current system will be affected by such external
influences.

Changes in software or hardware may require a
review to take place.

As software and hardware developments are
frequent, so might be the speed in which current
system developments take place.

However, new software might not work with current
hardware, and new hardware might not be fully
compatible with current software.

The most important review comes from those
people who use the system on a day-to-day basis.

It is these people who are most likely to suggest
important updates and make relevant suggestions
in how to improve the efficiency of a system.

They can also feed back on how the latest
updates have been working!

Complete the following table
Internal Changes
External Changes
New version of hardware.
Change in data protection act.
…
…
…
…

Explain the role of reviews during the life of a
computer-based information system.
[4 marks]

Describe how a review can be planned effectively.
[2 marks]