PGDCA Second Semester Exam 2019 13/09/2019
.
- 1.Identify the loop construct:
- A.
If-else
- B.
Goto
- C.
While
- D.
Switch-case
- 2.Which of the following is not a storage class
- A.
External
- B.
Automatic
- C.
Register
- D.
Define
- 3.Which of the following is a correct way of defining a symbolic constant pie in C
- A.
# define pie = 22/7
- B.
#define pie 22/7
- C.
#define pie= 3.142
- D.
# Define pie 22/7
- 4.The minimum number of times the for loop is executed is
- A.
0
- B.
Cannot be predicted
- C.
1
- D.
2
- 5.In switch statement
- A.
More than one default allowesd
- B.
Default case, if used, should be the last case
- C.
Default case, if used, can be placed anywhere
- D.
Default case must be present
- 6.How many while statements are possible in do.... While loop?
- A.
2
- B.
3
- C.
Any number
- D.
1
- 7.The storage area for register variables
- A.
Cache
- B.
Memory
- C.
Processor registers
- D.
Virtual memory
- 8.Which of the following statements is false
- A.
The initialization and increment parts of a for statement can be empty
- B.
The body of do-while statement can be empty
- C.
The expression in the condition part of a for statement can be empty
- D.
The initialization part of a for statement cannot have more than one initialization
- 9.Consider the segment If(1) printf(“yes”); else printf(“no”); what will be the output
- A.
No
- B.
Unpredictable
- C.
Yes
- D.
Error
- 10.The global variable can be declared
- A.
After main
- B.
After block
- C.
Before main
- D.
Within block
- 11.Which of the following is not correct
- A.
While loop is executed atleast once
- B.
Do . while loop is executed at least once
- C.
While loop is executed only if the condition is true
- D.
Dowhile loop is ececuted only if the condition is true
- 12.printf (“\ “ well done\” ”); what will be the output of this statement
- A.
\“well done \”
- B.
Well done
- C.
“ well done”
- D.
\ well done \
- 13.What is the output of the following program main() {static int y; printf (“%d\n”, y); }
- A.
0
- B.
Run-time error
- C.
Undefined
- D.
Compilation error
- 14.The number of elements in array declaration
- A.
Dynamically identifies based on largest index used in program
- B.
Does not require to be specified
- C.
Assume default size as ‘0’
- D.
Requires to be specified
- 15.In C every variable has
- A.
A type and size
- B.
A type, name, value and size
- C.
A name and type
- D.
A size and value
- 16.All the elements in the array must be
- A.
Defined
- B.
Neither initialized nor defined
- C.
Initialized and defined
- D.
Initialized
- 17.How many bytes will be allotted for the declaration int num[4] [3]
- A.
6 bytes
- B.
24 bytes
- C.
12 bytes
- D.
48 bytes
- 18.The total memory required for an array
- A.
Sizeof (datatype) * 2
- B.
Size of (datatype) * size of used array elements
- C.
Sizeof (datatype) * sizeof array
- D.
Size of (array) * datatype
- 19.The statements that prints out the character set from A-Z is, where a is an integer variable
- A.
For(a=‘A’; a
- B.
For(a=‘A’; a
- C.
For(a=‘a’; a
- D.
For(a=’A’ a
- 20.The amount of storage required for holding elements of the array depends on
- A.
Data type
- B.
Datatype and size
- C.
Run-time requirement
- D.
Size
- 21.Array subscripts in ‘C’ always start at
- A.
0
- B.
Compiler dependent
- C.
1
- D.
-1
- 22.The maximum number of dimension an array can have in C language is
- A.
4
- B.
5
- C.
Compiler dependent
- D.
3
- 23.What is the result of the expression ( 10/3 )*3+5%3 ?
- A.
10
- B.
11
- C.
8
- D.
1
- 24.Output of the below program #include<stdio.h> main() {int a,b=0; int c[10]={1,2,3,4,5,6,7,8,9,0 }; for(a=0;a<10;++a) b+=c[a]; printf(“%d”,b); }
- A.
1 3 6 10 15 21 28 32 45 45
- B.
55
- C.
45
- D.
0
- 25.consider the array definition int num [10] = { 3 ,3 ,3 }; pick the correct answers
- A.
This is syntactically wrong
- B.
The value of num[8] is 3
- C.
This is invalid if it comes within a function
- D.
The value of num[2] is 3
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