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C programming language tutorial #3

Image source – google |image by- nareshit.com

 

Introduction:

 

In this third tutorial we learn some main programs which is very important for c programming language.

 And this is last tutorial of the c  programming language tutorial series this series is basic tutorial of c programming language.

And after this last tutorial, you are able to do very complex program of c programming due to these basic tutorials you are able to start learning advance level c programming it will help you very much in future learning of c programming.

 

(1)C program to swap two numbers:

#include<stdio.h>

#include<conio.h>

Void main()

{

Int a,b,c;

Printf(“enter the value of a:”);

Scanf(“%d”,&a);

Printf(“enter the value of b:”);

Scanf(“%d",&b);

Printf(“before swap\n”);

Printf(“enter int 1=%d\n”,a);

Printf(“enter int 2=%d\n”,b);

c=a;

b=c;

a=b;

printf(“after swap\n”);

printf(“int 1=%d\n”,a);

printf(“int2=%d\n”,b);

getch();

}

Output:

Enter the value of a=10

Enter the value of b=20

Before swap

Int a=10

Int b=20

After swap

Int a=20

Int b=10

Description:

In this program, all other things is same as first two tutorials but the additional logic are as below:

c=a;

a=b;

b=c;

in this consider that the a=10 and b=20 than c=0 and as logic c=a so now the c=10 and a=0.

Then a=b so now the a=20 and b=0.

Then b=c so now the b=10 and c=0.

So after this logic at the end, you get value of a=20 and b=10.

(2)C program to convert distance in centimeter to feet and inches.

#include<stdio.h>

#include<conio.h>

Void main()

{

Int e,f,Inc,cen,feet;

Printf(“enter length in centimeter:”);

Scanf(“%d”,c);

Inc=C/2.54;

Feet=C/30.48;

Printf(“length in inch is: %d\n”,=inc);

Printf(“length in feet is: %d\n”,feet);

getch();

}

Output:

Enter a length in centimeter:100

Length in inch is: 39

Length in feet is: 3

Description:

In this program we say user to enter the length in centimeter and then we use a formula to convert the length from centimeter to inch and feet.

Inc=C/2.54;

Feet=C/30.48;

So this is a formula to convert the length from centimeter to inch and feet.

(3)c program to convert upper case letter to lower case latter

#include<stdio.h>

#include<conio.h>

int main()

{

Char s[100];

Printf(“enter word”);

Gets(s);

For(i=0;s[i]!=’\0’;i++)

{

If(s[1]>=’a’&&s[i]<=’z’)

{

s[i]=s[i]-32;

}

}

Printf(“word in upper case =%s”,s);

Return 0;

}

Output:

Enter word big

Word in upper case=BIG

Description:

In this program

For(i=0;s[i]!=’\0’;i++)

{

If(s[1]>=’a’&&s[i]<=’z’)

{

s[i]=s[i]-32;

this is a logic in this we used for loop and we put the condition and final logic to understand this we need to learn loops in c programing.

What is loop in c program:

There are 3 loops in c programming while loop,do-while loop, for loop In this loop we put some conditions so the program which is an inside loop will repeat till the condition is satisfied.

 When condition is satisfied then the compiler exit the loop and stop repeating the program or logic inside the loop.

Type of Loops in c programming :

There is three types of loop in c programing

(1)for loop

(2)while loop

(3)do-while loop

(1)for loop:

the for loop is a easiest loop in c programming by using this loop we can do any program which is done by using other two loops.

Syntax:

for(value of int;condition;increment or decrement)

{

Body of loop/program which we want to repeat ;

}  

Ex. program of for loop

Print 1 to 10 numbers:

#include<stdio.h>

#include<conio.h>

Void main()

{

Int I;

for(I = 1; I <= 10; i++)

{

Printf(“%d\t”,i);

}

}

Output:

1 2 3 4 5 6 7 8 9 10

While loop:

In while loop  we put condition before program and then the assigning of value and increment and decrement is decide inside the program.

Syntax:

While(condition)

{

A program which we want to repeat

Variable increment or decrement ;

}

Ex. program

We take same program which we will done in for loop

Program to print 1 to 10 number:

#include<stdio.h>

#include<conio.h>

Void main()

{

Int I;

While(x <= 10)

{

Printf(“%d\t”,x);

X++;

}

}

Output:

1 2 3 4 5 6 7 8 9 10

do-while loop:

in this loop the condition will come after the program so first, the program will be executed and then condition will check.

Syntax:

do

{

Program which we want to repeat

}

While(condition)

Ex. program:

Program to print 1 to 10 numbers using do while loop

#include<stdio.h>

#include<conio.h>

Void main()

{

Int i;

i=1;

do

{

Printf(“%d\t”,i);

i++;

}

While(i<=10);

}

Output:

1 2 3 4 5 6 7 8 9 10

 Example program of while loop

C program to find the numbers which are divisible by 3 in between the numbers 10 and 20:

#include<stdio.h>

#include<conio.h>

Void main()
{

Int I = 10;

While (I <= 20)

{

If(i%3==0)

{

Printf(“%d\n”,I);

}

I++;

}

}

getch()

}

Out put:

3,6,9,12,15,18

Explanation:

So in this program, we use  while loop and the logic is first we assign value to “I” integer the value is 10 so the I = 10 from start of program.

Then we use while loop in this we put a condition I <=20 so now if value of “I” will increase from 20 then loop is over and then loop will not execute.

And then we use one other condition which is “if” condition so when numbers are divisible by 3 then it will be printed on output screen and if number is not divisible by 3 then it will not be printed on output screen.

  

Conclusion:

In this tutorial, we learn that what is a loop in c programming, how to use a loop in various programs, and how to implement many complex c programs   using looping.

Thanks for reading.

Tech News #6
 

(1)Samsung launch event on 5^th august

Image source – google |image by-  firstpost.com

Samsung planed a event on 5^th august and they decide to launch 4 new products at this event.

·       NOTE 20 , NOTE 20+ OR ULTRA

·       Samsung galaxy fold 2

·       New smartwatch

·       New truly wireless earbuds 

(2)oppo 125w  charger

Image source – google |image by-  oppo.com

Oppo announced 125w flash charger this charger Is able to charge 4000mAh battery in just 15 min to 20 min this is the fastest charger available for smartphones.

There is mainly four chargers are launched by oppo

1.   Oppo 125w flash charge

2.   Oppo 65w Air vooc wireless charger

3.   Oppo 50w mini super vooc charger

4.   Oppo 110w mini flash charger

 

(3)jio mart

Image source – google |image by-  deshgujarat.com

The jio mart is an online shopping platform you can buy grocery’s for home and if you has a grocery shop then you can also shop your grocery on this online shop.

This jio mart is expanding gradually and jio is planning to connect fashion, beauty products , electronics, etc on this online shop.

(4)jio AI glass

Image source – google |image by-  youtube.com

Jio announced AI glass which is able to provide holographic video experience this AI glass is work with 5G network and you can do holographic meetings using this jio AI glass.

The launch date is not given and any price details are also not available the weight of this glass is only 75gms.

(5)AI is now future subject of CBSE bord

Image source – google |image by-  cbronline.com

IBM is planning to start AI teaching in CBSC bord in INDIA after 2 years the AI (artificial intelligence) has become a subject of the CBSC.

AI is a very interesting subject and IBM is providing teachers and course of this AI subject and course is decided by  IBM this is an amazing subject to learn.

(6)ROG phone 3 launched

Image source – google |image by-  pocket-lint.com

ROG recently launched the monster of gamming the ROG 3 there is 30-watt output fast charger then cooler for a cool down the phone during long time gaming.

The main camera of 64MP camera 13MP camera for ultra wide-angle photos and 5MP macro camera in back in front there is a 24MP camera.

The screen of this mobile is main highlight the refresh rate of screen is 144HZ and 270HZ sampling rate size of a screen is 6.59 inch full HD+ liquid AMOLED.

Processor used in this phone is the fastest processor available for smartphones which is a snapdragon 865+ octa-core processor.

Price for 8GB RAM and 128GB memory is 49,999INR.

Price for 12GB RAM and 128GB memory is 57,999INR.

(7)MADE IN INDIA iPhone

Image source – google |image by-  techradar.com

iPhone started manufacturing of iPhone 11 and iPhone SE in INDIA and the many new iPhone is now made in INDIA.

All smartphone of Samsung is now starting manufacturing in INDIA there is world's biggest mobile manufacturing factory was there in Noida which is in INDIA. 

(8)corning new glass

Image source – google |image by-  corning.com

Corning launched new gorilla glass which name is corning gorilla glass victus as per corning this glass is most rugged glass available in market.

If you throw your phone from 2miters than it can protect your phone screen this is most tough glass made buy corning in we see this glass in premium phones.

(9)6G launch

Image source – google |image by-  smartcitiesworld.net

Samsung is planning to start 6G internet by use of laser internet  due to the laser internet and 6G from Samsung the data speed is unlimited.

Samsung says that the 6G will be launched in start of 2028 so there is wary long time in 6G so in this time we use 5G as jio say they start 5G service in start of 2021.

(10)Amazon smart cart

Image source – google |image by-  progressivegrocer.com

Amazon launched a smart shopping cart this cart is very smart it can calculate the price of each thing you put in it and then the total amount of bill is automatically cut from your bank account.

So we do not need to stuck in line for billing and to give money all things done automatically and you did not need to carry any cash amount with you.

(11)Smart helmets in Mumbai

Image source – google |image by-   gulfnews.com

Now USA of smart helmets are started in Mumbai this smart a helmet can easily know the body temperature of people and it can also provide some other basic health information.

This smart helmet is able to show health information of more then 10 peoples at a same time so it's safer than all other methods of temperature  measurement.

(12)realme 6i

Image source – google |image by-  gadgets.ndtv.com

Realme launched 6i smartphone which is almost same as other realme smartphones there was nothing special in this smartphone.

There is 90HZ display 48MP camera in back then 16MP selfi camera in punch hole style, 4300mAh battery with 30watt fast charging and side fingerprint sensor.

Price for 4GB RAM  64GB storage is 12,999 INR.

Price for 6GB RAN 128GB storage is 14,999 INR.

(13)iPhone 12 launch

Image source – google |image by-  forbes.com

The iPhone 12 launch is a delay to November due to the COVID-19 and there are no major changes in this iPhone 12 the battery capacity of  iPhone 12 max  or pro max is 2775mAh.

This battery capacity is very less than all other smartphones which are available in market and price of this smartphone is very less if we compare it with iPhone price.

And the new charger will provide 20watt output which is not available in a box of iPhone 12 we have to buy charger separately.

 

If we compare this charger with oppo charger which will provide 125watt output than iPhone charger is very slow and battery life is very less and price is almost double than other phones.

(14)NETFLIX pause

Image source – google |image by-  gadgets.ndtv.com

NETFLIX is planning  to provide a pause option so using this option you can pause your NETFLIX plan up to 10 months.

If you don’t want to use NETFLIX for some months then you can use this option without canceling your current plan so this option can save your money.

(15)TikTok ban

Image source – google |image by-  livemint.com

Us government ban the TikTok application for all so anyone in The US can not able to use TikTok application the main reason of ban this app is data leak and information leak of users and some other reasons were there.

This app is not following the security low of US that’s why they ban this app they ask some basic questions to developers of this app and they aren’t able to give a proper explanation so that this app is now banned in the US. 

thank you for reading tech news #6.