Data
Data
is a collection of facts, numbers, letters, images and measurements which does
not give any meaningful /useful meaning.
Eg:
- Zahey’s maths mark is 83
Bandarawele 17c
Rahid is 160cm
Information
Information
is systematically processed data which gives meaning and helps us to make/ take
decisions.
Data
is processed in the way of ordering, manipulating, sorting, arranging and
organizing Data.
Eg:
- Sareej has got highest marks in marks: - 89
Rahid is the tallest in the classroom
Jashan is rank 01
Highest temperature is recorded in
madawachi:-38c
Characteristics
of information
Relevancy:-
Available information is must be
related to needs of
the user.
Completeness:-
Available information should be enough to take
a
decision.
Accuracy:-
Information must be error free.
Timeliness:-
Information must be available when we
need the
Information.
Information system
This
is a combination of related components which collect Data, process Data, produce and
Eg:-
Automated Teller Machine (ATM)
Finger print recorder to record the attendance of an
organization.
QR Code used to find information.
Computer & Telephone billing system.
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