 ### C Programming - 2

 Description: THIS IS A TEST FOR PRACTISE THE OUTPUT AND SPECIAL FEATURES OF C Number of Questions: 50 Created by: Adhira Saini Tags: C PROGRAMMING Programming Fundamentals of Computer Programming Computer Basics Integration by Parts Indefinite Integration Integration by Substitution Integration of Special Functions In-Definite Integration
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What is the value of variable POLYGON? main() {
int POLYGON, L, B; L=B =2; POLYGON = (L==B) ? 1 : 0; }

1. 0

2. 1

3. 2

4. None of the above

Correct Option: B

If ASCII value of 'x' is 120. What is the value of i = ('x' - 'w')/3?

1. 1

2. 2

3. 0

4. 4

Correct Option: C

What will be the value of sum after the following program is executed? main() { int sum, index; sum = 1; index = 9; do { index = index - 1; sum = 2*sum; } while(index >9);

1. 1

2. 2

3. 9

4. 0.5

Correct Option: B

How many times will the following loop be executed if the input data item is 01234? while( c = getchar() ! = 0) {

1. Infinitely

2. Never

3. Once

4. Five

Correct Option: A

What is the final value of digit? main() { int digit; for(digit = 0 ; digit <=9; ++digit) printf(“%d ”,digit); digit = 2*digit; --digit; }

1. 19

2. -1

3. 17

4. 16

Correct Option: A

The library function sqrt operates on a double precision argument. If i is an integer variable, which one of the following calls would correctly compute sqrt(i)?

1. sqrt((double)i)

2. (double) sqrt(i)

3. (double)(sqrt(i))

4. sqrt(i)

Correct Option: A

If a = 0x6db7 and b = 0xa726, what is the value of a ^ b?

1. 0x58d9

2. 0xca91

3. 0xceb7

4. 0x2526

Correct Option: B

If a = 0x6db7 and b = 0xa726, then what is the value of a & b?

1. 0xca91

2. 0x6db7

3. 0xab92

4. 0x2526

Correct Option: D

What would be the output of the follwing program? sum = 0; for(i=1;i<10;i++) if(i%2==0) sum +=i; printf(“%d”, sum);

1. 45

2. 0

3. 40

4. 30

Correct Option: D

If a = -11 & b = -3, what is the value of a % b?

1. -3

2. -2

3. 2

4. 3

Correct Option: B

Suppose i =7, f = 5.5 and c = 'W', what is the value of the given expression? (c ! = 'p' || i+f <=10)

1. 1

2. 0

3. -1

4. Not defined

Correct Option: A

Suppose i, j and k are integer variables with values 1, 2, 3 respectively, what is the value of the following expression?!((j+k) > (i+5))

1. 5

2. 0

3. 1

4. 6

Correct Option: C

The ''puts(argv);'' prints

1. the name of source file

2. Argv

3. the no. of command line arguments

4. name of executable file

Correct Option: D

If n = 10, then the statement arr[++n] = n++ assigns

1. 10 to arr

2. 4 to arr

3. 4 to arr

4. compiler dependent

Correct Option: D

Consider the following program fragment. main() { int a,b,c; b=2 ; a= 2*(b++); c = 2*(++b); } Which one of the following is correct?

1. a = 4, c = 6

2. a = 3, c = 8

3. b = 3, c = 6

4. a = 4, c = 8

Correct Option: D

What will be the value of i? int i = 1; i = i +2*i ++; printf(“%d”,i);

1. 4

2. 1

3. 3

4. 2

Correct Option: A

The expression ''4 + 6/3 * 2 - 2 + 7 %3'' is equal to

1. 3

2. 4

3. 6

4. 7

Correct Option: D

What will be the value of y in the following program fragment? int y = 10; If(y++ >9 && y++! = 10 && y++>10)

1. 10

2. 11

3. 12

4. 13

Correct Option: D

printf( “ab”, “cd”, “ef”); prints

1. ab

2. abcdef

3. abcdef, followed by garbage

4. none of above

Correct Option: A

The following program fragment prints int a= 5 , b=2; printf(“%d” , a+++++b);

1. 7

2. 8

3. 9

4. none of above

Correct Option: D

The following program results in main() { printf(“%u”, main); }

1. printing of a garbage number

2. an execution error

3. printing of starting address of the function main

4. an infinite loop

Correct Option: C

Consider the following declaration. int a = 5, *b = &a; printf(“%d”, a*b);The above program prints

1. 25

2. garbage

3. 5 x address of b

4. error message

Correct Option: D

If 7 bits are used to store a character, the percentage reduction of needed storage will be

1. 22.5

2. 2.5

3. 8

4. 12.5

Correct Option: D

Consider the declaration. int a = 5, b = &a; printf(“%d”, a*b); prints

1. 25

2. garbage

3. 0

4. error message

Correct Option: A

The following program prints main() { int i = 5; i = (++i) / (i ++); printf(“%d”,i); }

1. 2

2. 5

3. 1

4. 6

Correct Option: A

Directions: Answer the following question, based on the following declaration. struct { char city; char street; int pincode; } addr; struct { char name; int sex ; addr locate; } criminal,*kd = &criminal;

The third character in the criminal name can be accessed by

1. criminal.name

2. kd->name

3. (*kd).name

4. either (2) or (3), but not by (1)

Correct Option: A

The statement fseek(fp,0L,0) means

1. fp is a file pointer

4. erase the contents of the file

Correct Option: A

Directions: Answer the following question based on the following declaration. struct { char city; char street; int pincode; } addr; struct { char name; int sex ; addr locate; } criminal,*kd = &criminal;

*(kd ->name + 2) can be used instead of

1. *( criminal.name + 2)

2. kd -> (name + 2)

3. *((*kd).name + 2)

4. either (2) or (3), but not by (1)

Correct Option: A

The following declaration means int x : 4;

1. x is a 4-digit integer

2. x cannot be greater than a 4 digit integer

3. x is a 4-bit integer

4. none of above

Correct Option: C

The most significant bit will be lost in

1. <<

2. complementation

3. >>

4. none of above

Correct Option: A

The declaration enum cities { bethlehem, jericho, nazareth = 1, jerusalem } assign(s) the value 1 to

1. bethlehem

2. nazareth

3. bethlehem and nazareth

4. jericho and nazareth

Correct Option: D

The output of the following program will be main() { int a = 1, b=2, c=3; printf(“%d”, a+=(a+=3,5,a)); }

1. 8

2. 12

3. 9

4. 6

Correct Option: A

Directions: Answer the following question based on the following declaration. struct { char city; char street; int pincode; } addr; struct { char name; int sex ; addr locate; } criminal,*kd = &criminal;

The pincode can be accessed by

1. criminal.locate.pincode

2. criminal.pincode

3. kd->locate.pincode

4. kd.locate ->pincode

Correct Option: A

If one wants to retain certain bits and set the rest from a given bit pattern, the correct masking operation is

1. OR

2. AND

3. Exclusive OR

4. Complementation

Correct Option: A

The following statements find the

# define hypotenuse(a, b) sqrt( a*a + b*b);

the macro call hypotenuse (a+2,b+3);

1. hypotenuse of a triangle with sides, a+2 and b+3.

2. the square root of 3*a + 4*b + 5

3. the square root of (a+2) 2 + (b+3) 2

4. none of these

Correct Option: B

If the word size is 16 bit, ~0xc5 will be

1. 0x3a

2. 0xff3a

3. 0x5c

4. none of above

Correct Option: B

Directions: Answer the following question, based on the following declaration struct { char city; char street; int pincode; } addr; struct { char name; int sex ; addr locate; } criminal,*kd = &criminal;

The 'sex' can be accessed by

1. criminal.sex.

2. kd -> sex.

3. (*kd).sex.

4. either (1) or (3) but not by (2)

Correct Option: A

The program main() { float b = 0.7; printf(“%d, %f”,b,b); } prints

1. a garbage value 0.7

2. 0 ,0.0

3. 7, 0.7

4. an error message

Correct Option: B

In a certain machine, the sum of an integer and its 1's complement is 220-1. What is the size of (int), in bits?

1. 16

2. 32

3. Unpredictable

4. None of above

Correct Option: D

Lint is

1. a tool for analyzing a C program

2. an interactive debugger

3. a C interpreter

4. a C compiler

Correct Option: D

What is the output of the following 'C' program? main() { printf(“ %x”,-1 >>4); }

1. ffff

2. 0fff

3. 0000

4. fff0

Correct Option: A

The statement printf (“%d”, sizeof(“”)); prints

1. an error message

2. 0

3. garbage

4. 1

Correct Option: D

If y is of integer type, the expressions 3*(y-8)/9 and (y-8)/9*3 yield the same result if

1. y is an even number

2. y is an odd number

3. (y-8) is a multiple of 9

4. (y-8) is a multiple of 3

Correct Option: C

What header file should be included if you are to develop a function that can accept variable no. of arguments?

1. vararg.h

2. stdlib.h

3. stdio.h

4. stdarg.h

Correct Option: D

In C language, x = x-y+1; means

1. x = x-y+1

2. x = -x-y-1

3. x = -x + y +1

4. x = x-y-1

Correct Option: D

What does the statement printf(“%d”,10?0?5:11:12); print?

1. 10

2. 0

3. 12

4. 11

Correct Option: D

The rule for implicit type conversion in 'C' is

1. int < unsigned < float < double

2. unsigned < int < float < double

3. int< unsigned < double < float

4. unsigned < int < double < float

Correct Option: A

What does the following C statement print? print(“%d”, ++5);

1. 5

2. 6

3. 7

4. An error message

Correct Option: D

What is the output of following 'C' fragment? For(i=1,j=10;i<6;++i,--j) printf(“%d%d”,i,j);

1. 1 10 2 9 3 8 4 7 5 6

2. 1 2 3 4 5 10 9 8 7 6

3. 1 1 1 1 1 9 9 9 9 9

4. None of above

Correct Option: A

Recursive functions are executed in a

1. last in first out order

2. first in first out order

3. parallel fashion

4. any one of the above

Correct Option: A
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