C Language
Control statement
Fill in the blanks
1. How many control statement presents in c 3
2. While is Entry controlled loop
3. Do while is Exit controlled loop
4. Write a expansion for iostream.h input output stream
5. Write a expansion for conio.h console input output
6. Write a syntax for for loop for(initialization;condition checking;inc/dec)
7. Getch presents in which header file conio.h
8. cout presents in conio.h.[T/F] False
9. Clrscr presents in stdio.h [T/F] False
10. What is the output for below condition
for(int i=0;i<=8;i++)
{
if(i==4)
continue;
}
Output : 1235678
Answer the following Questions
(4 Marks)
1.Difference between while and do-while
|
While Loop |
Do-While Loop |
|
Entry Controlled Loop |
Exit Controlled Loop |
|
While loop is pretested loop |
Do-while is post tested loop |
|
Syntax while(condition){ Statement; } |
Syntax do{ statement; }while(condition); |
|
#include<iostream.h> #include<conio.h> void main(){ int a=5; clrscr(); while(a<5){ cout<<a; a++; } getch(); } |
#include<iostream.h> #include<conio.h> void main(){ int a=5; clrscr(); do{ cout<<a; a++; } while(a<5); getch(); } |
2.Write a program for leap year and not leap year
#include<iostream.h>
#include<conio.h>
void main()
{
int a;
clrscr();
cout<<”enter any year”;
cin>>a;
if(a%4==0){
cout<<“Leap year”;
}
else{
cout<<”Not Leap Year”;
}
getch();
}
3.Write a program for age verification Vote eligibility test program in CPP
#include<iostream.h>
#include<conio.h>
void main()
{
int a;
clrscr();
cout<<”enter your age”;
cin>>a;
if(a>=18){
cout<<“Eligible for vote”;
}
else{
cout<<”Not eligible for vote”;
}
getch();
}
4.Write a program to print pass or fail using if else
#include<iostream.h>
#include<conio.h>
void main()
{
int a;
clrscr();
cout<<”enter your mark”;
cin>>a;
if(a>=50){
cout<<“pass”;
}
else{
cout<<”fail”;
}
getch();
}
5.To print 1 to 100 using for loop
#include<stdio.h>
#include<conio.h>
main()
{
int
i;
clrscr();
for(i=1;i<=100;i++){
cout<<i<<endl;
}
getch();
}
6.Difference between break and continue
#include <iostream.h>
#include <conio.h>
void main() {
for (int i = 1; i <= 10; i++)
{
if (i == 5)
{
break;
}
cout<<i<<"\n";
}
getch();
}
Continue
#include <iostream.h>
#include <conio.h>
void main() {
for (int i = 1; i <= 10; i++)
{
if (i == 5)
{
continue;
}
cout<<i<<"\n";
}
getch();
}
7.Write a Program to to build a simple calculator using switch Statement
#include
<iostream.h>
#include<conio.h>
void
main() {
char
oper;
float
a, b;
cout
<< "Enter an operator (+, -, *, /): ";
cin
>> oper;
cout
<< "Enter two numbers: " << endl;
cin
>> a >> b;
switch
(oper) {
case
'+':
cout << a << " + " << b
<< " = " << a + b;
break;
case
'-':
cout
<< a << " - " << b << " = "
<< a - b;
break;
case
'*':
cout
<< a << " * " << b << " = "
<< a * b;
break;
case
'/':
cout
<< a << " / " << b << " = "
<< a / b;
break;
default:
cout
<< "Error! The operator is not correct";
break;
}
getch();
}
8.To print Vowels and Consonent using Switch case
#include
<iostream.h>
#include<conio.h>
void
main() {
char
a;
cout
<< "Enter any character";
cin
>> a;
switch
(a) {
case
'a':
case
'e':
case
'i':
case
'o':
case
'u':
case
'A':
case
'E':
case
'I':
case
'O':
case
'U':
cout<<“Vowel”;
break;
default:
cout
<< "Consonent";
break;
}
getch();
}
Answer the following Questions
(10 Marks)
1.Write a program to print student marklist with grade system using Nested if
#include
<iostream.h>
#include<conio.h>
void
main() {
int
m1=60,m2=90,m3=79,m4=69,m5=95,total,average;
total=m1+m2+m3+m4+m5;
average=total/5;
if(average>=50)
{
if(average>=80)
{
cout<<”A
Grade”;
}
else{
cout<<”B
Grade”;
}
}
else{
if(average>=30){
cout<<”C
Grade”;
}
else{
cout<<”Fail”;
}
getch();
}
2. Explain the below control statements program
*While
*do while
* if
*Break
*continue
|
While Loop |
Do-While Loop |
|
Entry Controlled Loop |
Exit Controlled Loop |
|
While loop is pretested loop |
Do-while is post tested loop |
|
Syntax while(condition){ Statement; } |
Syntax do{ statement; }while(condition); |
|
#include<iostream.h> #include<conio.h> void main(){ int a=5; clrscr(); while(a<5){ cout<<a; a++; } getch(); } |
#include<iostream.h> #include<conio.h> void main(){ int a=5; clrscr(); do{ cout<<a; a++; } while(a<5); getch(); } |
IF Statement
#include<iostream.h>
#include<conio.h>
void
main()
{
int age;
clrscr();
cout<<"enter
your age"
cin>>age;
if(age>=18)
{
cout<<"eligible
for vote";
}
if(age<18)
{
cout<<"Not
eligible for vote";
}
getch();
}
Break
#include <iostream.h>
#include <conio.h>
void main() {
for (int i = 1; i <= 10; i++)
{
if (i == 5)
{
break;
}
cout<<i<<"\n";
}
getch();
}
Continue
#include <iostream.h>
#include <conio.h>
void main() {
for (int i = 1; i <= 10; i++)
{
if (i == 5)
{
continue;
}
cout<<i<<"\n";
}
getch();
}
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