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EXAM REVISION




Topic 1: An ICT System and its Components
ICT stands for Information and Communication Technology. It involves all the
hardware and software to allow a system to store, retrieve, manipulate, transmit and
receive digital information. It also involves communication technologies such as
email, internet, mobile phones, digital TV…

Page 2

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EXAM REVISION




Topic 2: Data and Information

















Forms of data
It can appear in many different forms, it can be text (number and letters) numbers,
sound, moving images, still or moving images.

Source of data Definition
Archived data Data that is no longer in use is copied, stored away
from…

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EXAM REVISION












Quality of information
GIGO - if the data input is incorrect than the information outputted will be incorrect.
Scenario:

Jennifer is about to take her physics A Level exam. Give an example to show how each of the
factors below might affect the quality of information provided to…

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EXAM REVISION




and female, these can be coded to M and F, someone could still
accidently enter S instead of F but if you set up validation so that the
field will only accept either `M' or `F' you can further reduce any
possible mistakes.
Increases accuracy of data entry…

Page 5

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EXAM REVISION




Methods of Presenting Information
To be useful, information has to be meaningful to the person using it, this can be
done by;
Converting numerical data into meaningful graphs/charts
Presenting numerical data in pictorial form e.g. weather forecasts
Reports, presentations (prezi, presentation software)
Video
Images
Sounds









Page 6

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EXAM REVISION




Topic 3: People and ICT Systems
Characteristics of users
Age -- You would not design the interface of a piece of software for primary school
children in the same way as for an adult user.
Experience-- Users will have different experience in using ICT and any ICT solution…

Page 7

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EXAM REVISION




A user interface provides a way of interacting with a computer or electronic device.
There are a number of different user interfaces and each one is suitable for use for
particular tasks or situations.
One of the first, but now least commonly used user interfaces is the Command…

Page 8

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EXAM REVISION





Personal qualities of ICT workers in particular jobs

ICT Job/Career Personal Qualities Needed? Why?
Project Manager/Team Leader Motivational skills To be able to bring out the best work
Have specialist knowledge and skills in Leadership skills in their team members
the area of the business which the To…

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Working in teams

Advantages and Disadvantages
The project manager can assign tasks to the If one team member does not complete their
team member with the most appropriate task on time, then it can affect other team
experience and skills to carry them out. members and cause the…

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Motivational skills to be able to bring out the best in their team members.







Comments

Ibrahim - Team GR

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This resource is very colourful and is easy to understand.All technical terms included for INFO 2 with question and example answers!

Ahnaf

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love it

Jayboo

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my name is not geoff

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