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TN 11th Tamil பீடு பெற நில் - செய்யுள் - குறுந்தொகை Important Questions And Answers Study Material - QB365 Set A

11th Standard English Medium Computer Science Subject Flow of Control Book Back 2 Mark Questions with Solution Part - I

Published on: 09/06/2021

QB365 provides detailed and simple solution for every book back questions in class 11 Computer Science subject.It will helps to get more idea about question pattern in every book back questions with solution.

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Std: 11th Standard - Computer Science

chapter: - Book back Questions

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Questions:

Generic 2

5 x 2 = 10

What is the output of the following code?
for (int i = 2; i < = 10 ; i + = 2)
cout << i;

What will be the output of the following code:
int year;
cin >> year;
if (year % 100 == 0)
if ( year % 400 == 0)
cout << "Leap";
else
cout << "Not Leap year";
If the input given is
(i) 2000
(ii) 2003
(iii) 2010?

Correct the following code sigment:
if (x = 1)
p = 100;
else
p = 10;

What is selection statement? write it's types?

What is a null statement and compound statement?

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Answers Key:

Generic 2

5 x 2 = 10

Output:
2 4 6 8 10.

If the input given is (i) 2000 (ii) 2003 (iii) 2010?
(i) Output
(Input = 2000)
Leap
(ii) Output
(Input-2003)
Not leap Year
(iii) Output
(Input = 2010)
Not leap Year

Given Code	Corrected Code
if (x = 1) p = 100; else p = 10;	if (x ==1) p =100; else p = 10;

The selection statement means the statements are executed depends upon a condition. If a condition is true, a true block (a set of statements) is executed, otherwise a false block is executed. This statement is also called decision statement or selection statement because it helps in making decision about which set of statements are to be executed.
Types: (i) Two way branching, (ii) Multiway branching.

Null statement
The "null or empty statement" is a statement containing only a semi colon. It takes the following
form:
;// it is a null statement.
Null statement are commonly used as place holders in iteration statements or as statements on which to place labels at the end of compound statements or functions.
Compound statement
C++ allows a group of statements enclosed by pair of braces (). This group of statements is called as a compound statement or a block.
The general format of compound statement is:
{
statement 1;
statement 2;
statement 3;
}
for example:
{
int a,b;
a-8;
b=a+8;
}