Compilers Multiple Choice Questions on “Array Reference”.
1. In which way can SAM be stored in an array?
a) char name[]=”SAM”
b) char name[6]={‘S’,’A’,’M’}
c) char name[6]={“S”,”A”,”M”}
d) char name [6]={‘S’,’A’,’M’,’ ’}
Answer: d
Clarification: The array consists of the word SAM and also a NULL character.
2. Int RollNUm[30[4] is a?
a) 1-d Array
b) 3-D Array
c) 4- D Array
d) 2-D Array
Answer: d
Clarification: 2 [] brackets means a double dimensional array.
3. What will be output of the following code?
#include void main() { char arr[7]="Network"; printf("%s",arr); }
a) Network
b) N
c) network
d) Garbage Value
Answer: d
Clarification: Garbage value is printed.
4. What will be output of the following code?
#include void main() { char arr[11]="The African Queen"; printf("%s",arr); }
a) The African Queen
b) The
c) Queen
d) Null
Answer: d
Clarification: It gives a Null Value.
5. What will be output if you will execute following C code?
#include void main() { char arr[20]="MysticRiver"; printf("%d",sizeof(arr)); }
a) 20
b) 11
c) 30
d) None of the mentioned
Answer: a
Clarification: The size of array is 20.
6. What will be output if you will execute following C code?
#include void main(){ int const SIZE=5; int expr; double value[SIZE]={2.0,4.0,6.0,8.0,10.0}; expr=1|2|3|4; printf("%f",value[expr]); }
a) 2.00000
b) 4.00000
c) 6.00000
d) Compilation error
Answer: d
Clarification: No fixed value in [] brackets.
7. Comment on the following statement:
a) An array “a” of pointers
b) A pointer “a” to an array
c) A ragged array
d) None of the mentioned
Answer: b
Clarification: It is a pointer to array a.
8. Comment on the 2 arrays regarding P and Q:
int *a1[8]; int *(a3[8]); P. Array of pointers Q. Pointer to an array
a) a1 is P, a2 is Q
b) a1 is P, a2 is P
c) a1 is Q, a2 is P
d) a1 is Q, a2 is Q
Answer: b
Clarification: p =a1
And a3 is alo p.
8. Which of the following is not possible statically in C?
a) Jagged Array
b) Rectangular Array
c) Cuboidal Array
d) Multidimensional Array
Answer: a
Clarification: Jagged array is not possible.
9. What is the max no. of dimensions an array may have?
a) 2
b) 8
c) 20
d) No limit
Answer: d
Clarification: Dimension of an array can be any number.
10. Array passed as an argument to a function is interpreted as ______________
a) Address of the array
b) None of the mentioned
c) Base address
d) No. of elements of the array
Answer: c
Clarification: The base address is passed when the array is passed as an argument in a function.