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Sunday, 11 September 2016

TCS INTERVIEW QUESTIONS AND ANSWERS

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Q1. The C language terminator is

(a) semicolon


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(b) colon

(c) period

(d) exclamation mark
Q2. What is false about the following -- A compound statement is
(a) A set of simple statements
(b) Demarcated on either side by curly brackets
(c) Can be used in place of simple statement
(d) A C function is not a compound statement.
Q3. What is true about the following C Functions
(a) Need not return any value
(b) Should always return an integer
(c) Should always return a float
(d) Should always return more than one value
Q4. Main must be written as
(a) The first function in the program
(b) Second function in the program
(c) Last function in the program
(d) Any where in the program
Q5. Which of the following about automatic variables within a function is correct ?
(a) Its type must be declared before using the variable
(b) They are local
(c) They are not initialised to zero
(d) They are global
Q6. Write one statement equivalent to the following two statements
x=sqr(a);
return(x);

Choose from one of the alternatives
(a) return(sqr(a));
(b) printf("sqr(a)");
(c) return(a*a*a);
(d) printf("%d",sqr(a));


Q7. Which of the following about the C comments is incorrect ?

(a) Ccomments can go over multiple lines

(b) Comments can start any where in the line

(c) A line can contain comments with out any language statements

(d) Comments can occur within comments

Q8. What is the value of y in the following code?
x=7;
y=0;
if(x=6) y=7;
else y=1;

(a) 7

(b) 0

(c) 1

(d) 6
Q9. Read the function conv() given below
conv(int t){
int u;
u=5/9 * (t-32);
return(u);
}

What is returned
(a) 15
(b) 0
(c) 16.1
(d) 29
Q10. Which of the following represents true statement either x is in the range of 10 and 50 or y is zero
(a) x >= 10 && x <= 50 || y = = 0
(b) x<50
(c) y!=10 && x>=50
(d) None of these


Q11. Which of the following is not an infinite loop ?

(a) while(1){ ....}
(b) for(;;)
{
...
}

(c) x=0;
do{

/*x unaltered within the loop*/
.....}
while(x = = 0);
(d) # define TRUE 0
...

while(TRUE){

....}
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