Coding encrypts; decoding decrypts back to the original.
★ Must-know
Further detail
1. What does coding do in coding-and-decoding problems?
2. How is the difficulty of coding question types characterized?
3. Which list contains the four recognized types of coding questions?
What does coding do to words and numbers?
It encrypts them into codes using specific patterns and rules.
What does decoding do to coded patterns?
It decrypts them into their original forms.
Which four types of questions are covered in coding questions?
Substitution coding, Chinese coding, number coding, and alphabet coding.
How do the notes rate the difficulty of coding question types?
Easy+/Moderate.
How do Chinese word-overlap coding questions identify a target word’s code?
Match shared words with shared code tokens, then identify the target’s code.
In the notes’ alphabet-position mapping, what number corresponds to Z?
26.
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