C Programming Questions Answers - Chapter 1

• 8. Difference between calloc() and malloc()

  1. calloc() takes a single argument while malloc() needs two arguments
  2. malloc() takes a single argument while calloc() needs two arguments
  3. malloc() initializes the allocated memory to ZERO
  4. calloc() initializes the allocated memory to NULL

  Answer And Explanation

  Answer: Option B

  Explanation:

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• 9. Exit() is same as return

  1. TRUE
  2. FALSE

  Answer And Explanation

  Answer: Option B

  Explanation:

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• 10. calloc() belongs to which library

  1. stdlib.h
  2. malloc.h
  3. calloc.h
  4. None of above

  Answer And Explanation

  Answer: Option A

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• 11. If include files can be nested

  1. Yes
  2. No

  Answer And Explanation

  Answer: Option A

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• 12. Which of the following below is/are valid C keywords

  1. integer
  2. int
  3. null
  4. none of above

  Answer And Explanation

  Answer: Option B

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• 13. total number of keywords in C are

  1. 30
  2. 32
  3. 48
  4. 132

  Answer And Explanation

  Answer: Option B

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• 14. What is use of \r in c

  1. used to insert a vertical tab
  2. used to insert a tab
  3. places cursor at the end of line
  4. places cursor at the start of line

  Answer And Explanation

  Answer: Option D

  Explanation:

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