Arrays and Strings - C Programming MCQ Questions and Answers Page-3 section-2

21.
The toupper() function converts a . . . . . . . . to the corresponding . . . . . . . .

A. uppercase, lowercase

B. lowercase, uppercase

C. binary, decimal

D. decimal, binary

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22.
ERANGE is reported on an overflow or an underflow.

A. true

B. false

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23.
The . . . . . . . . function converts an uppercase letter to the corresponding lowercase letter.

A. islower()

B. isupper()

C. toupper()

D. tolower()

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24.
Functions whose names begin with "strn"

A. manipulates sequences of arbitrary characters

B. manipulates null-terminated sequences of characters

C. manipulates sequence of non - null characters.

D. returns a pointer to the token

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25.
Which function will you choose to join two words?

A. strcpy()

B. strcat()

C. strncon()

D. memcon()

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26.
Which among the following option is the full set of character class Hexadecimal digits?

A. { 0 1 2 3 4 5 6 7 8 9 A B C D E F }

B. { 0 1 2 3 4 5 6 7 8 9 a b c d e f }

C. { 0 1 2 3 4 5 6 7 8 9 A B C D E F a b c d e f }

D. { 0 1 2 3 4 5 6 7 8 9}

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27.
This function offers the quickest way to determine whether two character sequences of the same known length match character for the character up to and including any null character in both.

A. strcmp()

B. memcmp()

C. strncmp()

D. no such function

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28.
What is the use of function char *strchr(ch, c)?

A. return pointer to first occurrence of ch in c or NULL if not present

B. return pointer to first occurrence of c in ch or NULL if not present

C. return pointer to first occurrence of ch in c or ignores if not present

D. return pointer to first occurrence of cin ch or ignores if not present

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29.
. . . . . . . . is reported on a domain error.

A. EDOM

B. ERANGE

C. significance loss

D. Underflow

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30.

What will be returned in the following C code?

size- t strlen(const char *s)
const char *sc;
for(sc = s; *sc!= ' \ O ' ; ++sc)
return(sc - s) ;

A. number of characters equal in sc

B. length of string s

C. doesn't return any value

D. displays string s

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21.
The toupper() function converts a . . . . . . . . to the corresponding . . . . . . . .

Answer & Solution

22.
ERANGE is reported on an overflow or an underflow.

Answer & Solution

23.
The . . . . . . . . function converts an uppercase letter to the corresponding lowercase letter.

Answer & Solution

24.
Functions whose names begin with "strn"

Answer & Solution

25.
Which function will you choose to join two words?

Answer & Solution

26.
Which among the following option is the full set of character class Hexadecimal digits?

Answer & Solution

27.
This function offers the quickest way to determine whether two character sequences of the same known length match character for the character up to and including any null character in both.

Answer & Solution

28.
What is the use of function char *strchr(ch, c)?

Answer & Solution

29.
. . . . . . . . is reported on a domain error.

Answer & Solution

30.
What will be returned in the following C code?

`size- t strlen(const char s) const char sc; for(sc = s; *sc!= ' \ O ' ; ++sc) return(sc - s) ;`

Answer & Solution

Read More Section(Arrays and Strings)

Arrays and Strings - C Programming MCQ Questions and Answers

21. The toupper() function converts a . . . . . . . . to the corresponding . . . . . . . .

Answer & Solution

22. ERANGE is reported on an overflow or an underflow.

Answer & Solution

23. The . . . . . . . . function converts an uppercase letter to the corresponding lowercase letter.

Answer & Solution

24. Functions whose names begin with "strn"

Answer & Solution

25. Which function will you choose to join two words?

Answer & Solution

26. Which among the following option is the full set of character class Hexadecimal digits?

Answer & Solution

27. This function offers the quickest way to determine whether two character sequences of the same known length match character for the character up to and including any null character in both.

Answer & Solution

28. What is the use of function char *strchr(ch, c)?

Answer & Solution

29. . . . . . . . . is reported on a domain error.

Answer & Solution

30. What will be returned in the following C code? size- t strlen(const char *s) const char *sc; for(sc = s; *sc!= ' \ O ' ; ++sc) return(sc - s) ;

Answer & Solution

Read More Section(Arrays and Strings)

21.
The toupper() function converts a . . . . . . . . to the corresponding . . . . . . . .

22.
ERANGE is reported on an overflow or an underflow.

23.
The . . . . . . . . function converts an uppercase letter to the corresponding lowercase letter.

24.
Functions whose names begin with "strn"

25.
Which function will you choose to join two words?

26.
Which among the following option is the full set of character class Hexadecimal digits?

27.
This function offers the quickest way to determine whether two character sequences of the same known length match character for the character up to and including any null character in both.

28.
What is the use of function char *strchr(ch, c)?

29.
. . . . . . . . is reported on a domain error.

30.
What will be returned in the following C code?

`size- t strlen(const char s) const char sc; for(sc = s; *sc!= ' \ O ' ; ++sc) return(sc - s) ;`