FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -In programming, selection is implemented using IF statements . Using IF and ELSE gives two possible choices (paths) that a program can follow. However, sometimes more than two choices are wanted. To do this, the statement ELSE IF is used.

Detailed explanation-2: -Selection is implemented in programming using IF statements. Programs consist of a set of instructions that are carried out one after another. Sometimes there may be more than one path (or set of steps) that can be followed. At this point, a decision needs to be made.

Detailed explanation-3: -An if statement is a selection statement that allows more than one possible flow of control. An if statement lets you conditionally process a statement when the specified test expression, implicitly converted to bool, evaluates to true . If the implicit conversion to bool fails the program is ill-formed.

Detailed explanation-4: -A selection structure, also called an “If-Then-Else” structure, is flowcharted as follows: After either the true set of actions or the false set of actions are taken, program control resumes with the next statement (the statement that would be placed below the connector in the flowchart above).

Detailed explanation-5: -if-else selection structures are used when only one boolean condition is necessary. In if-else structures, a specific action will be performed if the boolean condition is true and another action, if the condition is false.