C Programming mcq questions with answer – Set 3

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#1. Which of the following are C preprocessors?

#ifdef

#ifdef

#define

#define

#endif

#endif

all of the mentioned

all of the mentioned

#2. The C-preprocessors are specified with _________symbol.

#

#

$

$

” ”

” ”

&

&

#3. How is search done in #include and #include “somelibrary.h” according to C standard?

When former is used, current directory is searched and when latter is used, standard directory is searched

When former is used, current directory is searched and when latter is used, standard directory is searched

When former is used, standard directory is searched and when latter is used, current directory is searched

When former is used, standard directory is searched and when latter is used, current directory is searched

When former is used, search is done in implementation defined manner and when latter is used, current directory is searched

When former is used, search is done in implementation defined manner and when latter is used, current directory is searched

For both, search for ‘somelibrary’ is done in implementation-defined places

For both, search for ‘somelibrary’ is done in implementation-defined places

#4. How many number of pointer (*) does C have against a pointer variable declaration?

7

7

127

127

255

255

No limits

No limits

#5. Which of the following is not possible statically in C language?

Jagged Array

Jagged Array

Rectangular Array

Rectangular Array

Cuboidal Array

Cuboidal Array

Multidimensional Array

Multidimensional Array

#6. Which of the following return-type cannot be used for a function in C?

char *

char *

struct

struct

void

void

none of the mentioned

none of the mentioned

#7. The standard header _______ is used for variable list arguments (…) in C.

#8. When a C program is started, O.S environment is responsible for opening file and providing pointer for that file?

Standard input

Standard input

Standard output

Standard output

Standard error

Standard error

All of the mentioned

All of the mentioned

#9. In C language, FILE is of which data type?

int

int

char *

char *

struct

struct

None of the mentioned

None of the mentioned

#10. What is the sizeof(char) in a 32-bit C compiler?

1 bit

1 bit

2 bits

2 bits

1 Byte

1 Byte

2 Bytes

2 Bytes

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