C Language Exam: Practice Quiz! Trivia
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- 1.How would you copy the name “Hello” to a character array (i.e. string) declared as char str[10];
- A.
Strcpy( str, “Hello” );
- B.
Strcat(str,“Hello”);
- C.
Printf( str, “Hello” );
- D.
Str = “Hello”;
- 2.count=0; for ( I=0;I<=10; I++) {if(I%2==0) count++; }printf(“%d”, count); Pick out the correct value for count
- A.
6
- B.
3
- C.
4
- D.
5
- 3.The value within the [] brackets in an array declaration specifies
- A.
Value of the array element
- B.
Subscript value
- C.
Address value
- D.
Size of an array
- 4.Compute the result of the following expression in ‘C’. A=3*4/5+10/5+8-1+7/8
- A.
11
- B.
10
- C.
12
- D.
9
- 5.Dynamic memory allocation in array results in
- A.
Allocation of memory at debugging time
- B.
Allocation of memory at file saving time
- C.
Allocation of memory at compile time
- D.
Allocation of memory at runtime
- 6.What is the output of the following module sum=0; I=0; do{ sum+=I; I++; }while(I<=5); printf(“%d”, sum);
- A.
28
- B.
10
- C.
15
- D.
21
- 7.Which of the follwing is a string
- A.
‘abcd’
- B.
“abcd”
- C.
Abcd
- D.
‘abcd”
- 8.Give the output of the following program: #include < stdio.h > main() {int I=1; while (I < 5) {printf(“%d”, I); }} /* End of Main */
- A.
Print the value of I as 1
- B.
Warning for no return type for main ( )
- C.
Infinite loop
- D.
Prints the value of I as11111
- 9.What will happen if you try to put so many values into an array during the initalization such that its size is exceeded
- A.
Error message from the compiler
- B.
Possible system malfunction
- C.
Last element data may be overwritten
- D.
Nothing
- 10.Which of the following statements would read a single character from the keyboard and place the result in a character variable ‘ch’ defined as: char ch;
- A.
Ch = getch( );
- B.
Printf( “%c”, ch );
- C.
While(!kbhit)
- D.
Getkeyb ( ch );
- 11.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
- 12.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
- 13.The maximum number of dimension an array can have in C language is
- A.
4
- B.
5
- C.
Compiler dependent
- D.
3
- 14.What is the result of the expression ( 10/3 )*3+5%3 ?
- A.
10
- B.
11
- C.
8
- D.
1
- 15.Array subscripts in ‘C’ always start at
- A.
0
- B.
Compiler dependent
- C.
1
- D.
-1
- 16.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
- 17.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
- 18.If we don’t initialize a static array, what will be the elements set to:
- A.
Character constant
- B.
A floating point number
- C.
0
- D.
An undetermined value
- 19.What is wrong with the following program main() { char m1[9]= “message1”; char m2[9]=“message2”; m2=m1; printf(“msg is %s”,m2); }
- A.
Char array cannot be printed directly using printf
- B.
Array is not a left value and so cannot be assigned to
- C.
Program compiles without error, but prints an unpredictable value
- D.
Array cannot be initialized as above
- 20.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
- 21.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
- 22.If statement is a —————statement
- A.
Loop construct
- B.
Two way decision
- C.
Multiway decision
- D.
One-way decision
- 23.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
- 24.printf (“\ “ well done\” ”); what will be the output of this statement
- A.
\“well done \”
- B.
Well done
- C.
“ well done”
- D.
\ well done \
- 25.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
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