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TCS Interview Questions

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a memory of 20 bytes is allocated to a string declared as char *s then the following two statements are executed: s="Etrance" l=strlen(s); what is the value of l ? a.20 b.8 c.9 d.21

4 13428

given the piece of code int a[50]; int *pa; pa=a; to access the 6th element of the array which of the following is incorrect? a.*(a+5) b.a[5] c.pa[5] d.*(*pa + 5)

6 32553

consider the following structure: struct num nam{ int no; char name[25]; }; struct num nam n1[]={{12,"Fred"},{15,"Martin"},{8,"Peter"},{11,Nicholas"}}; ..... ..... printf("%d%d",n1[2],no,(*(n1 + 2),no) + 1); What does the above statement print? a.8,9 b.9,9 c.8,8 d.8,unpredictable value

4 11123

identify the in correct expression a.a=b=3=4; b.a=b=c=d=0; float a=int b=3.5; d.int a; float b; a=b=3.5;

8 16693

regarding the scope of the varibles;identify the incorrect statement: a.automatic variables are automatically initialised to 0 b.static variables are are automatically initialised to 0 c.the address of a register variable is not accessiable d.static variables cannot be initialised with any expression

1 8559

the operator for exponencation is a.** b.^ c.% d.not available

5 9205

what is y value of the code if input x=10 y=5; if (x==10) else if(x==9) elae y=8; a.9 b.8 c.6 d.7

4 12039

what does the following code do? fn(int n,int p,int r) { static int a=p; switch(n){ case 4:a+=a*r; case 3:a+=a*r; case 2:a+=a*r; case 1:a+=a*r; } } a.computes simple interest for one year b.computes amount on compound interest for 1 to 4 years c.computes simple interest for four year d.computes compound interst for 1 year

7 13411

a=0; while(a<5) printf("%d\n",a++); how many times does the loop occurs? a.infinite b.5 c.4 d.6

7 16912

how many times does the loop iterated ? for (i=0;i=10;i+=2) printf("Hi\n");

9 20613

which of the following go out of the loopo if expn 2 becoming false a.while(expn 1){...if(expn 2)continue;} b.while(!expn 1){if(expn 2)continue;...} c.do{..if(expn 1)continue;..}while(expn 2); d.while(!expn 2){if(expn 1)continue;..}

4 9166

pick out the odd one out of the following a.malloc() b.calloc() c.free() d.realloc()

2 13068

# define prod(a,b)=a*b main() { int x=2; int y=3; printf("%d",prod(x+2,y-10)); } the output of the program is a.8 b.6 c.7 d.none

7 21175

consider the following program sigment int n,sum=1; switch(n) { case 2:sum=sum+2; case 3:sum*=2; break; default:sum=0;} if n=2, what is the value of sum a.0 b.6 c.3 d.none

7 15230

the format specified for hexa decimal is a.%d b.%o c.%x d.%u

7 11956

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TCS Interview Questions

Un-Answered Questions

What is a free alternative to microsoft excel?

758

How do I write to the application configuration file at runtime?

1007

Which type of variable among global and local, takes precedence over other if names are same?

989

How can I identify the keywords that are sending paid traffic to any site?

133

Draw L.O. system in diesel engine?

1907

Why was css invented?

627

why cristal frequency is different in microcontrollers and crystal oscillators?

1980

What is jdbc class forname?

971

Why frameworks are used in java?

906

Will the fi document be created with the purchase order (po)? : fi- accounts payable

1063

What is a web content management system?

172

What does side stand for?

905

How do you identify a primary key?

1067

How can the outlier values be treated?

392

if 3400kw slipring motor rotor shorting done and motor started on mv drive ,what will be the rotor shoring current

1722