posted Oct 30, 2014, 10:48 AM by Maurice Nyamoti
updated Oct 30, 2014, 11:50 PM
Data is a collection of raw facts, figures or instructions that
do not have much meaning to the user.
be in form of numbers, alphabets/letters or symbols, and can be processed to
There are two types/forms of data:
Digital (discrete) data:
- Digital data is discrete in nature.
It must be represented in form of numbers, alphabets or symbols for it
to be processed by a computer.
- - Digital
data is obtained by counting. E.g. 1, 2, 3 …
Analogue (continuous) data:
- Analogue data is continuous in nature. It must be represented in physical nature in
order to be processed by the computer.
data is obtained by measurement. E.g.
Pressure, Temperature, Humidity, Lengths or currents, etc
output is in form of smooth graphs from which the data can be read.
is the process of collecting all items of data together & converting them
- Processing refers to the way the data is
manipulated (or handled) to turn it into information.
The processing may involve calculation, comparison or any
other logic to produce the required result.
The processing of the data usually results in some meaningful
information being produced.
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