Standard Library Functions - C Programming MCQ Questions and Answers

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41.
Which of the given function is used for searching?

A. lsearch()

B. bsearch()

C. csearch()

D. qsearch()

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42.
The library function clock() returns the number of . . . . . . . . elapsed since the start of the program.

A. minutes

B. clock ticks

C. milli-seconds

D. micro-seconds

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43.

Which of the given C function can be used instead of the apparent identity pointed to by y?

int x=1; 
double y= 0.5 * (exp (x) + exp (-x));

A. cos(x)

B. cosh(x)

C. fmod(x)

D. modf(x)

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44.
Select the right statement with reference to malloc() and calloc().

A. malloc() does not set the memory to zero whereas calloc() sets allocated memory to zero

B. malloc() sets the memory to zero whereas calloc() does not set allocated memory to zero

C. malloc() sets the memory to zero whereas calloc() sets allocated memory to zero

D. malloc() does not set the memory to zero whereas calloc() does not set allocated memory to zero

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45.
Which is the correct declaration of macro assert?

A. void assert(int expression);

B. void assert(float expression);

C. void assert(double expression);

D. void assert( expression);

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46.

Which line from the given code is the passive form?

#undef assert 
#ifdef NDEBUG 
#define assert (test) ( (void) 0) 
#else 
#define assert (test)  
#endif

A. #define assert(test)

B. #define assert(test) ((void)0)

C. #ifdef NDEBUG

D. #undef assert

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47.
. . . . . . . . defines the minimum value for a short integer.

A. SHINT_MIN

B. SHRT_MIN

C. SINT_MIN

D. SHORT_MIN

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48.
The . . . . . . . . function converts the initial portion of the string pointed to by, to int representation.

A. atof()

B. atoi()

C. strtod()

D. atol()

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49.
The ldexp() function multiplies a floating-point number by an integral power of 2.

A. true

B. false

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50.
setjmp takes a jmp_buf type and different other type variables as input.

A. true

B. false

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41.
Which of the given function is used for searching?

Answer & Solution

42.
The library function clock() returns the number of . . . . . . . . elapsed since the start of the program.

Answer & Solution

43.
Which of the given C function can be used instead of the apparent identity pointed to by y?

`int x=1; double y= 0.5 * (exp (x) + exp (-x));`

Answer & Solution

44.
Select the right statement with reference to malloc() and calloc().

Answer & Solution

45.
Which is the correct declaration of macro assert?

Answer & Solution

46.
Which line from the given code is the passive form?

`#undef assert #ifdef NDEBUG #define assert (test) ( (void) 0) #else #define assert (test) #endif`

Answer & Solution

47.
. . . . . . . . defines the minimum value for a short integer.

Answer & Solution

48.
The . . . . . . . . function converts the initial portion of the string pointed to by, to int representation.

Answer & Solution

49.
The ldexp() function multiplies a floating-point number by an integral power of 2.

Answer & Solution

50.
setjmp takes a jmp_buf type and different other type variables as input.

Answer & Solution

Read More Section(Standard Library Functions)

Standard Library Functions - C Programming MCQ Questions and Answers

41. Which of the given function is used for searching?

Answer & Solution

42. The library function clock() returns the number of . . . . . . . . elapsed since the start of the program.

Answer & Solution

43. Which of the given C function can be used instead of the apparent identity pointed to by y? int x=1; double y= 0.5 * (exp (x) + exp (-x));

Answer & Solution

44. Select the right statement with reference to malloc() and calloc().

Answer & Solution

45. Which is the correct declaration of macro assert?

Answer & Solution

46. Which line from the given code is the passive form? #undef assert #ifdef NDEBUG #define assert (test) ( (void) 0) #else #define assert (test) #endif

Answer & Solution

47. . . . . . . . . defines the minimum value for a short integer.

Answer & Solution

48. The . . . . . . . . function converts the initial portion of the string pointed to by, to int representation.

Answer & Solution

49. The ldexp() function multiplies a floating-point number by an integral power of 2.

Answer & Solution

50. setjmp takes a jmp_buf type and different other type variables as input.

Answer & Solution

Read More Section(Standard Library Functions)

41.
Which of the given function is used for searching?

42.
The library function clock() returns the number of . . . . . . . . elapsed since the start of the program.

43.
Which of the given C function can be used instead of the apparent identity pointed to by y?

`int x=1; double y= 0.5 * (exp (x) + exp (-x));`

44.
Select the right statement with reference to malloc() and calloc().

45.
Which is the correct declaration of macro assert?

46.
Which line from the given code is the passive form?

`#undef assert #ifdef NDEBUG #define assert (test) ( (void) 0) #else #define assert (test) #endif`

47.
. . . . . . . . defines the minimum value for a short integer.

48.
The . . . . . . . . function converts the initial portion of the string pointed to by, to int representation.

49.
The ldexp() function multiplies a floating-point number by an integral power of 2.

50.
setjmp takes a jmp_buf type and different other type variables as input.