Question

A list of C++ built in functions are given. Classify them based on the usage and prepare a table with proper group names.

• strcmp() 
• sin() 
• getch() 
• isalpha() 
• pow() 
• puts() 
• strcat() 
• tolower() 
• getchar() 
• isalnum() 
• sqrt() 
• exp() 
• write()

Answer 1

String Functions	Mathematical Functions	Character Functions	I/O Functions
strcmp() strcat()	sin() pow() sqrt() exp()	isalpha() isalnum() tolower()	getch() puts() getchar() write()