CLA CLA C Programming Language
Certified Associate Exam
Question 1. Which of the following is a valid identifier in C?
A) int
B) 3value
C) value_3
D) #value
Answer: C
Explanation: Identifiers must start with a letter or underscore, not a
digit or symbol; 'value_3' is valid.
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Question 2. Which keyword is used to declare a variable whose value
cannot be changed?
