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REPRESENTING INFORMATION
Let us study about some of the ways in which we can represent information.
Tables Pictures
SCHOOL TIME TABLE
PERIOD 1st 2nd 3rd 4th R 5th 6th 7th 8th
DAY E
MONDAY
TUESDAY C
WEDNESDAY E
THURSDAY S
FRIDAY
SATURDAY S
We can represent information in the form of We can represent information in the form of
tables. For example, class timetable. pictures, drawing and so on.
Maps Pictograms
We can represent information in the form of We can represent information in the form of
maps. For example, maps helps us to give us pictograms. For example, road signs.
the route and directions.
DECODING
Could you understand what
What have Mr Grumpy wants to say? To
8 5 12 12 15
you said,
Mr Grumpy? understand what he said, we
have to decode the message.
Decoding is the process of converting a coded message into understandable language. Look
at these codes Grumpy has used to tell a secret message.
A 1 E 5 I 9 M 13 Q 17 U 21
B 2 F 6 J 10 N 14 R 18 V 22
C 3 G 7 K 11 O 15 S 19 W 23 Y 25
D 4 H 8 L 12 P 16 T 20 X 24 Z 26
Data Processing 91

