CSE101 Ete Exam Answer Key

Which of the following extension is valid for a file containing assembly code?
1. .i
2. .exe
3. .s
4. .obj
Show Answer
Answer : Option ( D )
Which of the following characteristics is not desired in a good algorithm?
1. Abstraction
2. Simplicity
3. Correctness
4. Ambiguity
Show Answer
Answer : Option ( D )
Role of pre-processor is to
1. Detect semantic error
2. Generate source code
3. Combine various object files and library files
4. Include the code of header files at the point, where they are included to general expanded source code
Show Answer
Answer : Option ( D )
Which of the following cannot be a variable name?
1. Export
2. Volatile
3. Friend
4. Number 1
Show Answer
Answer : Option ( D )
The continue statement cannot be used with
1. Switch
2. For
3. While
4. do while
Show Answer
Answer : Option ( A )
To stop the execution of a loop, we can use
1. exit
2. delete
3. break
4. None of above
Show Answer
Answer : Option ( C )
Which loop is guaranteed to execute at least once.
1. while.
2. do while
3. for
4. None of above
Show Answer
Answer : Option ( B )
Which of the following is unary operator?
1. *
2. Sizeof
3. II
4. &&
Show Answer
Answer : Option ( B )
Which will be the correct datatype of a variable used for storing the circumference of a circle?
1. long int
2. short int
3. float
4. Int
Show Answer
Answer : Option ( C )
What are the types of Functions in C Language?
1. User Defined Functions
2. Library Functions
3. Both User Defined and Library Functions
4. Basic and Advance Functions
Show Answer
Answer : Option ( C )
A function which calls itself is called as
1. Auto Function
2. Self Function.
3. Recursive Function
4. None of above
Show Answer
Answer : Option ( C )
Choose correct statement about Functions in C Language.
1. Every Function may or may not return a value
2. A Function is a group of C statements which can be reused any number of times.
3. Every Function has a return type
4. All of above
Show Answer
Answer : Option ( D )
Choose the correct statement about Functions of C Language.
1. Default return type of any function is an Integer
2. A function name cannot be same as a predefined C Keyword
3. A function name can start with an Underscore ( ) or A to Z or a to z.
4. All of above
Show Answer
Answer : Option ( D )
How many values can a C Function return at a time?
1. Maximum of two values
2. Only One Value
3. Maximum of five values
4. Any number of values
Show Answer
Answer : Option ( B )
What will be the output of the following code?
#incIude<stdio.h>
Int main()
int a[3][2]= ((3,1),(6,5),(2,7);
Printf( %d”, a[1][1]*a(2][1]);
1. 10
2. 35
3. 12
4. 42
Show Answer
Answer : Option ( B )
Consider the array elements 8, 22, 7, 9, 31, 5, 13. Using bubble sort, how many swapping will be done to sort these numbers in ascending order?
1. 10
2. 12
3. 13
4. 11
Show Answer
Answer : Option ( A )
What will be the output of the following code?
#incIude&lt;stdio.h&gt;
int main()
int a[2][3]=(5, 4, 3, 2, 1);
int i = 0, j = 0;
for (i — 0; j < 2; i++)
for (i = 0; j < 3; j++) printf("%d", a[i][j]); return 0;
1. 5 4 3 2 1 garbage-value
2. 5 4 3
3. 5 4 3 2 1 0
4. Compile time error
Show Answer
Answer : Option ( B )
The way to pass arrays to functions is
1. Pass entire array once
2. Pass array element by element
3. Both with first and second option
4. None of above
Show Answer
Answer : Option ( A )
To delete an element from a particular position of a 1D array, the considered index will be
1. position-1
2. position+1
3. Exact at position
4. None of above
Show Answer
Answer : Option ( A )
What will be the output of the following code?
#incIude<stdio.h>
int main()
int a[10], i;
for(i = 0; i < 10; i++)
printf("%d", a[5]);
1. 6
2. 4
3. S
4. Garbage value
Show Answer
Answer : Option ( C )
An entire array can be passed to a function by using
1. Call by reference
2. Call by value
3. Call by structure
4. Call by array
Show Answer
Answer : Option ( A )
Consider an array (45, 77, 89, 90, 94, 99, 100). To search 99 using binary search, what will be the mid values in the first and second iteration?
1. 90 and 94
2. 90 and 99
3. 89 and 94
4. 89 and 99
Show Answer
Answer : Option ( B )
Consider 1D array as (5, 7, 20, 11, 9, 14). What value will be fetched for a[4]?
1. 9
2. 11
3. 14
4. 20
Show Answer
Answer : Option ( A )
For the array initialization as, int a[7] = (}; what value will be fetched for a[0]?
1. Garbage Value
2. O
3. -1
4. 1
Show Answer
Answer : Option ( B )
A pointer that cannot be directly dereferenced and need to be correctly type-casted is called as
1. Constant pointer
2. Void pointer
3. Dangling pointer
4. None of above
Show Answer
Answer : Option ( B )
What will be the output of the following code?
#incIude<stdio.h>
int main()
int x=35,*p; p=&x;
printf("\n%d",*p);
1. Address of x
2. 35
3. Address of p
4. Garbage value
Show Answer
Answer : Option ( B )
Malloc and Calloc functions are used for
1. Static memory allocation
2. Dynamic memory allocation
3. Both static and dynamic memory allocation
4. None of above
Show Answer
Answer : Option ( B )
Which one of the followings is a valid pointer declaration?
1. datatype ptrname;
2. datatype ptrname*;
3. datatype *ptrname;
4. datatype *(ptrname*);
Show Answer
Answer : Option ( C )
Type of pointer which points to a memory location which is already deleted or deallocated is
1. Wild pointer
2. Dangling pointer
3. Void pointer
4. None of above
Show Answer
Answer : Option ( B )
A pointer which is not Initialized during its definition and holds some garbage value is called as
1. Wild pointer
2. Null pointer
3. Dangling pointer
4. Void pointer
Show Answer
Answer : Option ( A )
What will be the output of the following code?
#incIude <stdio.h> int main()
int *ptr, num = 15; ptr = &num;
*ptr += 1;
printf( /d, %d", *ptr, num);
1. 15, 16
2. 16, 15
3. 16, 16
4. 15, 15
Show Answer
Answer : Option ( C )
The correct syntax of typecasting in void pointers is
1. *(data type*) pointer name;
2. (data_type*) pointer _name;
3. *(data type) pointer name;
4. *(data_type)*pointer _name;
Show Answer
Answer : Option ( B )
Library functions which can be used for dynamic memory allocation are
1. maloc() and caloc()
2. alloc() and memalloc()
3. malloc() and memalloc()
4. malloc() and calloc()
Show Answer
Answer : Option ( D )
Which of the following statement is correct for: int *ptr, pnum:
1. ptr and pnum, both are pointers to integer
2. ptr is a pointer to Integer, pnum is not
3. ptr and pnum both are not pointers to Integer
4. ptr is a pointer to integer, pnum may or may not be
Show Answer
Answer : Option ( B )
Which one of the following is correct string initialization?
1. char name[] = "LPU";
2. char name[] = ( 'L', 'P', 'U', ’\0’ };
3. char* nameptr = "LPU";
4. all of above
Show Answer
Answer : Option ( D )
We can access union members as
1. union_pointer--->member
2. union_name. member
3. union_name@ member
4. both union pointer--->member and union_name. member
Show Answer
Answer : Option ( B )
Keyword used to define union in C is
1. Union
2. Uni o
3. union (All small characters)
4. None of above
Show Answer
Answer : Option ( C )
To free the memory allocated by malloc function, we can use
1. free(ptr)
2. free ptr;
3. free(ptr);
4. free ptr";
Show Answer
Answer : Option ( A )
Structure name is connected with its member name by using
1. hyphen
2. dot
3. underscore
4. none of above
Show Answer
Answer : Option ( B )
Keyword used to define structure in C is
1. struct (all small characters)
2. Struct
3. Str
4. structure
Show Answer
Answer : Option ( A )
To copy content of one string into another, we can use
1. strcopy()
2. stcpy()
3. stringcopy()
4. strcpy()
Show Answer
Answer : Option ( D )
What will be the output of the following code?
#incIude<stdio.h>
int main()
char arr[] = "Computer Science";
printf( %s", arr);
1. Computer Science
2. Compiler error
3. Nothing will be printed
4. Program will crash
Show Answer
Answer : Option ( A )
To copy a specific number of characters from one string to another, the function used is
1. Stropy
2. strncpy (all small characters)
3. Strncpy
4. strcpyn
Show Answer
Answer : Option ( B )
The return type of malloc() and calloc() functions is
1. Int*
2. Char*
3. Float*
4. Void*
Show Answer
Answer : Option ( D )
Extension of expanded source code file is
1. .obj
2. .i
3. .s
4. .exe
Show Answer
Answer : Option ( B )
C language was developed in
1. 1970
2. 1965
3. 1972
4. 1971
Show Answer
Answer : Option ( A )
What will be the output of the following code?
#incIude<stdio.h>
int main()
Int a[5]=(7,32,30,48,51}; a[2]=a[1];
a[3]=a[2];
a[4]=a[3];
printf( %d”,a[4]);
1. 51
2. 48
3. 3O
4. 32
Show Answer
Answer : Option ( D )
To insert an element in 1D array at a particular position, the considered index will be
1. exact at position
2. position+1
3. position-1
4. None of above
Show Answer
Answer : Option ( B )
If the size of 1D array is 50, then last index of the array will be
1. 50
2. 48
3. O
4. 49
Show Answer
Answer : Option ( D )
Pointer arithmetic can not be performed on
1. Null pointer
2. Wild pointer
3. Void pointer
4. Constant pointer
Show Answer
Answer : Option ( A )
Mach Number is the Ratio of -
1. Inertia forces to Compressibility forces
2. Inertia forces to viscous forces
3. Inertia forces to Gravity forces
4. Buoyancy forces to Inertia forces
Show Answer
Answer : Option ( B )
For dynamic memory allocation functions, we need to include
1. memory.h
2. stdli
3. h
4. stdio.h
5. conio.h
Show Answer
Answer : Option ( B )
To join two words, which C function will be used?
1. strcalt()
2. strcon()
3. strcat()
4. merge()
Show Answer
Answer : Option ( C )
The format specifier used to print a string or character array in C is
1. %S
2. %c
3. %s
4. %C
Show Answer
Answer : Option ( C )
How the size of a union in C is determined?
1. by the size of biggest member in union
2. by the size of first member in union
3. by the size of last member in union
4. by summing the sizes of all members in union
Show Answer
Answer : Option ( A )
What will be the output of the following code?
#incIude<stdio.h>
int main()
Int num 1 = 10, num2 = 20;
Int *const ptr=&num1;
printf("\n%d" "ptr);
ptr=&num2
printf( %d\n", "ptr);
1. Error
2. 10 20
3. 10 20
4. Infinite loop
Show Answer
Answer : Option ( A )
For dynamic memory allocation functies, we .........
1. memory.h
2. stdli
3. h
4. stdio.h
5. conio.h
Show Answer
Answer : Option ( B )
What will be the output of the following code?
int main()
char arr1[10]="LPU";
char arr2[5]; arr2= arr1; printf("%s",arr2);
1. Compiler error
2. LPU
3. LPU\0
4. None of above
Show Answer
Answer : Option ( D )
What will be the output of the following code?
#incIude<stdio.h>
int main()
int *ptr1; char *ptr2; float *ptr3;
printf("\n%d",sizeof(ptr1));
printf("\n%d",sizeof(ptr2));
printf("\n%d",sizeof(ptr3));
1. 16 16 16
2. 2 2 2
3. 4 4 4
4. 8 8 8
Show Answer
Answer : Option ( D )

CSE101 Ete Exam Answer Key

Which of the following extension is valid for a file containing assembly code?

Which of the following characteristics is not desired in a good algorithm?

Role of pre-processor is to

Which of the following cannot be a variable name?

The continue statement cannot be used with

To stop the execution of a loop, we can use

Which loop is guaranteed to execute at least once.

Which of the following is unary operator?

Which will be the correct datatype of a variable used for storing the circumference of a circle?

What are the types of Functions in C Language?

A function which calls itself is called as

Choose correct statement about Functions in C Language.

Choose the correct statement about Functions of C Language.

How many values can a C Function return at a time?

What will be the output of the following code? #incIude<stdio.h> Int main() int a[3][2]= ((3,1),(6,5),(2,7); Printf( %d”, a[1][1]*a(2][1]);

Consider the array elements 8, 22, 7, 9, 31, 5, 13. Using bubble sort, how many swapping will be done to sort these numbers in ascending order?

What will be the output of the following code? #incIude&amp;lt;stdio.h&amp;gt; int main() int a[2][3]=(5, 4, 3, 2, 1); int i = 0, j = 0; for (i &mdash; 0; j < 2; i++) for (i = 0; j < 3; j++) printf("%d", a[i][j]); return 0;

The way to pass arrays to functions is

To delete an element from a particular position of a 1D array, the considered index will be

What will be the output of the following code? #incIude<stdio.h> int main() int a[10], i; for(i = 0; i < 10; i++) printf("%d", a[5]);

An entire array can be passed to a function by using

Consider an array (45, 77, 89, 90, 94, 99, 100). To search 99 using binary search, what will be the mid values in the first and second iteration?

Consider 1D array as (5, 7, 20, 11, 9, 14). What value will be fetched for a[4]?

For the array initialization as, int a[7] = (}; what value will be fetched for a[0]?

A pointer that cannot be directly dereferenced and need to be correctly type-casted is called as

What will be the output of the following code? #incIude<stdio.h> int main() int x=35,*p; p=&x; printf("\n%d",*p);

Malloc and Calloc functions are used for

Which one of the followings is a valid pointer declaration?

Type of pointer which points to a memory location which is already deleted or deallocated is

A pointer which is not Initialized during its definition and holds some garbage value is called as

What will be the output of the following code? #incIude <stdio.h> int main() int *ptr, num = 15; ptr = &num; *ptr += 1; printf( /d, %d", *ptr, num);

The correct syntax of typecasting in void pointers is

Library functions which can be used for dynamic memory allocation are

Which of the following statement is correct for: int *ptr, pnum:

Which one of the following is correct string initialization?

We can access union members as

Keyword used to define union in C is

To free the memory allocated by malloc function, we can use

Structure name is connected with its member name by using

Keyword used to define structure in C is

To copy content of one string into another, we can use

What will be the output of the following code? #incIude<stdio.h> int main() char arr[] = "Computer Science"; printf( %s", arr);

To copy a specific number of characters from one string to another, the function used is

The return type of malloc() and calloc() functions is

Extension of expanded source code file is

C language was developed in

What will be the output of the following code? #incIude<stdio.h> int main() Int a[5]=(7,32,30,48,51}; a[2]=a[1]; a[3]=a[2]; a[4]=a[3]; printf( %d”,a[4]);

To insert an element in 1D array at a particular position, the considered index will be

If the size of 1D array is 50, then last index of the array will be

Pointer arithmetic can not be performed on

Mach Number is the Ratio of -

For dynamic memory allocation functions, we need to include

To join two words, which C function will be used?

The format specifier used to print a string or character array in C is

How the size of a union in C is determined?

What will be the output of the following code? #incIude<stdio.h> int main() Int num 1 = 10, num2 = 20; Int *const ptr=&num1; printf("\n%d" "ptr); ptr=&num2 printf( %d\n", "ptr);

For dynamic memory allocation functies, we .........

What will be the output of the following code? int main() char arr1[10]="LPU"; char arr2[5]; arr2= arr1; printf("%s",arr2);

What will be the output of the following code? #incIude<stdio.h> int main() int *ptr1; char *ptr2; float *ptr3; printf("\n%d",sizeof(ptr1)); printf("\n%d",sizeof(ptr2)); printf("\n%d",sizeof(ptr3));

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What will be the output of the following code?
#incIude<stdio.h>
Int main()
int a[3][2]= ((3,1),(6,5),(2,7);
Printf( %d”, a[1][1]*a(2][1]);

What will be the output of the following code?
#incIude<stdio.h>
int main()
int a[2][3]=(5, 4, 3, 2, 1);
int i = 0, j = 0;
for (i — 0; j < 2; i++)
for (i = 0; j < 3; j++) printf("%d", a[i][j]); return 0;

What will be the output of the following code?
#incIude<stdio.h>
int main()
int a[10], i;
for(i = 0; i < 10; i++)
printf("%d", a[5]);

What will be the output of the following code?
#incIude<stdio.h>
int main()
int x=35,p; p=&x;
printf("\n%d",p);

What will be the output of the following code?
#incIude <stdio.h> int main()
int ptr, num = 15; ptr = &num;
ptr += 1;
printf( /d, %d", *ptr, num);

What will be the output of the following code?
#incIude<stdio.h>
int main()
char arr[] = "Computer Science";
printf( %s", arr);

What will be the output of the following code?
#incIude<stdio.h>
int main()
Int a[5]=(7,32,30,48,51}; a[2]=a[1];
a[3]=a[2];
a[4]=a[3];
printf( %d”,a[4]);

What will be the output of the following code?
#incIude<stdio.h>
int main()
Int num 1 = 10, num2 = 20;
Int *const ptr=&num1;
printf("\n%d" "ptr);
ptr=&num2
printf( %d\n", "ptr);

What will be the output of the following code?
int main()
char arr1[10]="LPU";
char arr2[5]; arr2= arr1; printf("%s",arr2);

What will be the output of the following code?
#incIude<stdio.h>
int main()
int ptr1; char ptr2; float *ptr3;
printf("\n%d",sizeof(ptr1));
printf("\n%d",sizeof(ptr2));
printf("\n%d",sizeof(ptr3));