C Elements of C Language Questions with Answers | C Programming Practice | Page 2

The Elements of C Language questions with answers cover the fundamental building blocks of C programming, including variables, data types, operators, and control structures. These programming questions and answers are ideal for beginners aiming to strengthen their coding foundation. Each question is designed to test conceptual clarity and coding accuracy, commonly seen in TCS, Wipro, and Infosys placement exams. With explanations and examples, these MCQs help learners prepare effectively for both academic tests and real-world programming challenges.

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Q11

 The qualifier that may precede float is 

A signed
B unsigned
C long
D none of the above

Answer: Option D

Q12

 The qualifie that may precede double is 

A signed
B unsigned
C options a and b
D none of the above

Answer: Option C

Q13

 The qualifier that may precede double is

A signed
B unsigned
C short
D long

Answer: Option D

Q14

 Printable characters always use 

A negative ntegers
B positive integers
C both positive and negative integers
D -1

Answer: Option B

Q15

 Integral data type includes 

A enum
B int
C char
D all the above

Answer: Option D

Q16

 Which is not a valid integer constant ?

A 600000 u
B 534878 ul
C 0Xabpq
D 0X625

Answer: Option C

Q17

Which is not a valid floatng constant ?

A 4E -6f
B 4E - 12
C 0.08e - 4
D 1.3345F

Answer: Option B

Q18

 Identify the Octal constant 

A 627
B OX25
C -0756
D 06.52

Answer: Option C

Q19

 An octal constant is preceded by 

A X
B OX25
C 0 (alphabet)
D 0 (zero)

Answer: Option D

Q20

 A hexa constant is preceded by 

A OX
B 0
C HX
D 0

Answer: Option A

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