Exam-style question
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Which statement best differentiates the character code representation of a decimal digit from its pure binary representation?.
- A.A character code represents a character, whereas pure binary represents a numerical value.
- B.A character code can represent only letters, whereas pure binary can represent only digits.
- C.A character code is always shorter than a pure binary representation.
- D.There is no difference between the two representations.
Model answer
What a good answer should say
- A character code represents a character, whereas pure binary represents a numerical value.
Explanation
Why this works
The digit character '5' and the numerical value 5 have different meanings. The character is stored using a character code, while the numerical value is stored in pure binary.
Common mistake
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