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KwickClips Cyber Safety and Ethics · 39 sec · free

Does typedef create a new type?

Short answer. No. It gives a new name.

Why long long for a mobile number?

It is too big for int.

Remember

typedef old_type new_name;
Same type, easier name

Tired of typing long long? Give it a nickname. A mobile number is too big for int. Typedef names long long as Mobile. It is a new name, not a new type. Typedef, old type, new name. Same type, easier name.

This clip is from the full lesson: Structures, Typedef and Enumerated Data Types in C++ — 7 minutes, with the tables, the quick answers and the whole lesson in text.

Useful for: CBSE Class 9 Information Technology (402), GSEB Std 10 Computer Studies, GSEB Std 12 Computer Studies, Cambridge IGCSE Grade 10 Computer Science (0478)

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