Category: Computer Mcqs

A. click on it
B. collapse it
C. name it
D. give it a password
E. None of these

Which of the following is not a valid variable name declaration?
a) int __a3;
b) int __3a;
c) int __A3;
d) None of the mentioned

Which of the following is true for variable names in C?
a) They can contain alphanumeric characters as well as special characters
b) It is not an error to declare a variable to be one of the keywords(like goto, static)
c) Variable names cannot start with a digit
d) Variable can be of any length

A. Fast
B. Powerful
C. Infallible
D. Cheap

1. Physical Machine
2. Electronic Machine
3. Chemical Machine