What Is IF THEN Statement In Computer?

What is IF statement and write its types?

There are three forms of IF statements: IF-THEN , IF-THEN-ELSE , and IF-THEN-ELSIF .

The simplest form of IF statement associates a Boolean expression with a sequence of statements enclosed by the keywords THEN and END IF .

The sequence of statements is executed only if the expression returns TRUE ..

What are the 3 arguments of the IF function?

There are 3 parts (arguments) to the IF function:TEST something, such as the value in a cell.Specify what should happen if the test result is TRUE.Specify what should happen if the test result is FALSE.

What is IF THEN statement in Excel?

IF is one of the most popular features in Excel. Sometimes in a spreadsheet, something should be done if certain conditions are in place. What is known as an “if” statement can be solved with an “if-then” statement in Excel. The principle is the same: if a value is true, then do something, otherwise do something else.

What is a nested IF statement?

A Nested IF statement is defined as an Excel formula with multiple IF conditions. It’s called “nested” because you’re basically putting an IF Statement inside another IF Statement and possibly repeating that process multiple times.

What is if statement in C language?

Syntax. The syntax of an ‘if’ statement in C programming language is − if(boolean_expression) { /* statement(s) will execute if the boolean expression is true */ } If the Boolean expression evaluates to true, then the block of code inside the ‘if’ statement will be executed.

How do you write an IF THEN formula in Excel?

Use the IF function, one of the logical functions, to return one value if a condition is true and another value if it’s false. For example: =IF(A2>B2,”Over Budget”,”OK”) =IF(A2=B2,B4-A4,””)

What is if in coding?

An if statement is a programming conditional statement that, if proved true, performs a function or displays information. Below is a general example of an if statement, not specific to any particular programming language.

Can you do 2 IF statements in Excel?

As a worksheet function, the IF function can be entered as part of a formula in a cell of a worksheet. It is possible to nest multiple IF functions within one Excel formula. You can nest up to 7 IF functions to create a complex IF THEN ELSE statement.

How do you use if in coding?

Conditional StatementsUse if to specify a block of code to be executed, if a specified condition is true.Use else to specify a block of code to be executed, if the same condition is false.Use else if to specify a new condition to test, if the first condition is false.More items…

What are the 4 types of conditionals?

There are 4 basic types of conditionals: the zero conditional, the first conditional, the second conditional, and the third conditional. It’s also possible to mix them up and use the first part of a sentence as one type of conditional and the second part as another. These sentences would be called “mixed conditionals.”

What are the three conditional statements?

In JavaScript we have three conditional statements:if statement – use this statement if you want to execute a set of code when a condition is true.if…else statement – use this statement if you want to select one of two sets of lines to execute.More items…

How many types of conditional statements are there?

four different typesThere are four different types of conditional sentences in English. Each expresses a different degree of probability that a situation will occur or would have occurred under certain circumstances. Let’s look at each of these different types of conditional sentences in more detail.

What is an example of an IF THEN statement?

We will explain this by using an example. If you get good grades then you will get into a good college. The part after the “if”: you get good grades – is called a hypotheses and the part after the “then” – you will get into a good college – is called a conclusion.

What is if statement in C++ with example?

Example 2: C++ if…else Statement In the above program, we have the condition number >= 0 . If we enter the number greater or equal to 0 , then the condition evaluates true . … Hence, the statement inside the body of if is executed.

What is if/then else statement in computer?

A high-level programming language statement that compares two or more sets of data and tests the results. If the results are true, the THEN instructions are taken; if not, the ELSE instructions are taken.

What is an IF AND THEN statement?

A conditional statement (also called an If-Then Statement) is a statement with a hypothesis followed by a conclusion. … The hypothesis is the first, or “if,” part of a conditional statement. The conclusion is the second, or “then,” part of a conditional statement. The conclusion is the result of a hypothesis.

What are conditionals in coding?

In computer science, conditional statements, conditional expressions and conditional constructs are features of a programming language, which perform different computations or actions depending on whether a programmer-specified boolean condition evaluates to true or false.

What is first conditional sentence?

Meaning. First conditional is used to talk about actions/events in the future which are likely to happen or have a real possibility of happening. If it rains tomorrow, I’ll stay at home. (I think there is a real possibility of rain tomorrow. In this condition, I will stay at home)