19.

Analyse the problem, write algorithm, and draw a flowchart for the problem for logging onto Gmail
account and checking your mails

Algorithm
step 1: Start Start
step 2: click Gmail Website
step 3:click Logn in
step 4:enter e-mail or phone Number and password Gmail Website
step 5: e-mail and Password Valid ? If the answer is No go to step 3
If the answer is Yes go to step 6
step 6: loged in to the system
Log In
step 7: End

Enter e-mail/Phone number

and Password
No

e-mail and
Password
Valid?

Yes

Loged In To The
system

End
20. Prublem Add 10 and 20. Analyse the problem‘ write the algorithm, draw a flowchart and write C ++
code for this problem

Algorithm
Step 1:Start
Step 2:Declare a,b&c.
Step 3:Read a&b.
Step 4:c=a+b.
Step 5:Display c.
Step 7:Stop

C++ code

#include<iostream>

using namespace std; Start

int main (){

int a,b;

cout << " input number 10 : "; Read a&b

cin>>a;

cout << " input number 20 : ";

cin>>b;
a=a+b
a=(a+b);

cout << " The result is 10 + 20 = "<<a ;

return 0; }
Display a

pseudocode

Stop
Q3
21. Print Hello World 10 times. This problem is also solved using the loop concept. We take a variahle
count and set it to zero. Then we print "Hello World" and incrcincnt count by l. Analyse the problem.
write the algorithm, draw a flowchart and write C++ code?

Algorithm Flowchart
Step 1:Start
Step 2:Execute initialize statement. Start For Loop
Step 3:Check the condition If the condition is false, go to step 6..
Step 4:Execute statement(s).
Step 5:Execute update statement. Go to step 2.
Step 6:Stop.
Enitialization
code

#include<iostream>

using namespace std; true

Condtion
int main (){

int i; False true Update

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

cout<<"Hello World"<<endl; } Statement(s)

return 0; }

pseudocode

Stop for loop

22. Draw a flowchart and write the algorithm to log in

Algorithm
step 1: start.
step 2: open your facebook app.
step 3:user click fb log in account.
step 4:input email address or phone number and password.
step 5:Is Username and password is correct?
If the answer is No. Log in error . go back and to step4
If the answer is yes go to next step.
step 6: display account .wellcom to you facebook account.
step 7: stop.

Start

Open Facebook
app

Log in

Enter Phone Number

and Password

Is Username
Yes No
Display and Password Log in error
Account Correct ?

Stop
23. Write algorithm and draw a flowchart t Flowchart
create Gmail account
Start
step 1: Start.
step 2: click Gmail Website.
step 3:user click Create Account.
step 4:user click for Myself Option. Gmial Website
step 5: Enter your First Name and Last Name.
step 6: choose your Gmail Address.
step 7: Create a Strong Password.
step 8: click skip or add recovery phone number. Create Account
step 9: loged in to the system.
step 10: End.

For
MySelf

Enter First Name

And Last Name

Choose your Gmail

Address

Create a Strong
Password

Add Recovery
Phone number
Skip
to account or Added to phone
skip number

Be ged is the system

Stop