Category : 9th Class
WHAT IS CODING?
Coding is a method of expressing something in a secret way.
WHAT IS DECODING?
Decoding is a process to understand a code language.
TYPES OF CODING
1. Letter Coding: In this type of coding, letters are used in forward or backward or both the directions for making some code language.
2. Direct Letter Coding: Sometimes letters of a word are directly replaced by other letters. For example.
Here, Z, O, L, G and Y are replaced by P, M, T, H and D. Similarly GOOGLY can be coded as HMMHTD.
3. Number/Symbol Coding: Sometimes numerals or symbols are assigned to words.
4. Substitution Coding: Sometimes some particular words are assigned to certain names.
(a) go (b) and (c) here (d) come
(i) pit ne - come here
(ii) ne ta ja - come and go
(iii) ja sa re - you and me
From (i) and (ii), ne - come
From (ii) and (iii), ja - and
Hence, ta ? go
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