Write a C program to read a line and print it reverse using recursive function.

July 7, 2021 in C and CPP

Write a C program to read a line and print it reverse using recursive function.

a) Write a C program to read a line and print it reverse using recursive function.

July 7, 2021 in C and CPP

An array element is accessed using an ________ number.

A. Bit B. header file C. fseekf
D. call by value E. static F. exit
G. index H. stdio.h I. break
J. Ctype.h K. unstructured L. getc
M. pointer

4.1 An array element is accessed using an ________ number.
4.2 NULL is macro constant which has been defined in the header file ________.
4.3 Function ________ repositions the file position pointer to the beginning of the file.
4.4 A library function ________ causes an exit from the program in which it occurs.
4.5 The ________ statement causes an exit from the innermost loop or switch.
4.6 ________ data member can only be used in static functions.
4.7 ________ cannot be legitimately passed to a function.
4.8 The smallest data item a computer can process is called a(n) ________.
4.9 A function call mechanism that passes arguments to a function by passing a copy of the
values of the arguments is ________.
4.10 Name the header file to be included for the use of built in function isalnum() is ________.

July 7, 2021 in C and CPP

Functions can be called either by value or reference.

2.1 Functions can be called either by value or reference.
2.2 Comma operator is used for separation.
2.3 The size of a structure can be determined by both size of variable name and size of (struct tag).
2.4 While loop is post tested loop.
2.5 All of the following are valid expressions in C.
a = 2 + (b = 5);
a = b = c = 5;
a = 11 % 3;
2.6 A variable is a string that varies during program execution.
2.7 void (*ptr)() is a pointer to a function which receives nothing and returns nothing.
2.8 Calling a uninitialized variable will provide zero value.
2.9 C language cannot be used for database manipulation.
2.10 In the expression a=b=5 the order of Assignment is NOT decided by Associativity of
operators.

July 7, 2021 in C and CPP

How many times is a do while loop guaranteed to loop?

1.10 How many times is a do while loop guaranteed to loop?
A) 0
B) Infinitely
C) 1
D) Variable

July 7, 2021 in C and CPP

Which of the following cannot be used as identifiers?

1.9 Which of the following cannot be used as identifiers?
A) Spaces
B) Digits
C) Underscores
D) Letters

July 7, 2021 in C and CPP

What is the similarity between a structure, union and enumeration?

1.8 What is the similarity between a structure, union and enumeration?
A) All of them let you define new values
B) All of them let you define new data types
C) All of them let you define new pointers
D) All of them let you define new structures

July 7, 2021 in C and CPP

The keyword used to transfer control from a function back to the calling function is

1.7 The keyword used to transfer control from a function back to the calling function is
A) switch
B) goto
C) go back
D) return

July 7, 2021 in C and CPP

The result of a Relational operation is always

1.6 The result of a Relational operation is always
A) either True or False
B) is less than or is more than
C) is equal or less or more
D) All of the above

July 7, 2021 in C and CPP

When following piece of code is executed, what output will be generated?

1.5 When following piece of code is executed, what output will be generated?
#include<stdio.h>
int main(){
char arr[7]="Network";
printf("%s", arr);
return 0; }
A) Network
B) N
C) Garbage value
D) Compilation error

July 7, 2021 in C and CPP

What do the following declaration signify? void *cmp();

1.4 What do the following declaration signify? void *cmp();
A) cmp is a pointer to an void type.
B) cmp is a void type pointer variable.
C) cmp is a function that return a void pointer.
D) cmp function returns nothing.