Question Detail A variable in c must have a valid datatypecan't have a name same as keywordmust have a name starting with a characterAll of above Answer: Option D Similar Questions : 1. What is dangling pointer in c if pointer is pointing to a memory location from where variable has been deletedif pointer is assigned to more than one variableif pointer is not defined properlynone of above Answer: Option A 2. To access the members of structure which symbol is used *-,. Answer: Option D 3. Can getch() be used to echo the input YesNo Answer: Option B 4. What is wild pointer in c a pointer which we need to write in futurea pointer which has bad naming conventiona pointer which has no limita point which has not initialized Answer: Option D 5. What is prototype of a function in C It is the return type of a functionIt is the return data of the functionIt is declaration of a functionIt is a datatype Answer: Option C Read more from - C Programming Questions Answers - Chapter 1