C Programming Quiz : Strings and Characters
C Programming Quiz : Strings and Characters
1. What is a String in C Language?
- A) String is an array of Characters with null character as the last element of array.
- B) String is an array of Characters with null character as the first element of array.
- C) String is an array of Integers with 0 as the last element of array.
- D) None of these
Answer is A)
Description:
String is an array of Characters with null character as the last element of array.
2. What is the Format specifier used to print a String or Character array in C Printf or Scanf function?
- A) %w
- B) %C
- C) %c
- D) %s
Answer is D)
Description:
%s is the Format specifier used to print a String or Character array in C Printf or Scanf function. the format specifier %c only use for one character.
For example:
In this below code, the printf statement will print whole string. "Hello..!"
3. Choose a correct statement about C String.
- A) ary has no Null character at the end
- B) String size is not mentioned.
- C) Character array, ary is a string.
- D) String can not contain special characters.
Answer is C)
Description:
It is a simple way of creating a C String. You can also define it like the below. \0 is mandatory in this version.
4. What is the output of C Program?
- A) C
- B) Coding Taggers
- C) Coding
- D) Compile Error
Answer is B)
Description:
%s prints the while character array in one go.
5. What is the maximum length of a C String?
- A) 32 characters
- B) 64 characters
- C) 256 characters
- D) None of these.
Answer is D)
Description:
Maximum size of a C String is dependent on implemented PC memory. C does not restrict C array size or String Length.
6. How do you accept a Multi Word Input in C Language?
- A) SCANF
- B) GETC
- C) GETS
- D) FINDS
Answer is C)
Description:
Yes. gets(str) fills the array str with the input given by the user.
7. Choose a correct C Statement about Strings.
- A) GETS is capable of accepting a multi word string from console or command prompt.
- B) PUTS is capable of printing a multi word string.
- C) PRINTF is capable of printing a multi word string.
- D) All of these.
Answer is D)
Description:
Read all the options carefully.
8. What is the output of C Program with strings?
Input: CTQuiz
- A) CT
- B) CTQuiz
- C) Compiler error
- D) None of these
Answer is B)
Description:
It always overwrites the next memory locations of the array. It is your responsibility to check bounds. Scanf automatically adds a '\0' at the end of entered string.
9. A character constant is enclosed by?
- A) Double Quotes
- B) Right Single Quotes
- C) Left Single Quotes
- D) None of the above.
Answer is B)
Description:
char ary[] = {'a','b','\0'}.
char bry[] = {`a`,`b`,`c`}; is wrong as it uses Left Single Quotes.
10. A C string elements are always stored in?
- A) Sequential memory locations
- B) Alternate memory locations
- C) Random memory locations
- D) None of the above
Answer is A)
Description:
A C string elements are always stored in Sequential memory locations.
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