More examples of programs with procedures
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More examples of programs with procedures. Making decisions. In Pascal there are two types of statements that enable the computer to make decisions. IF-THEN-ELSE CASE. IF-THEN (ELSE to be discussed later). IF (Boolean expression) THEN STATEMENT ;

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More examples of programs with procedures

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More examples of programs with procedures

More examples of programs with procedures


Making decisions

Making decisions

  • In Pascal there are two types of statements that enable the computer to make decisions.

    • IF-THEN-ELSE

    • CASE


If then else to be discussed later

IF-THEN(ELSE to be discussed later)

IF (Boolean expression) THENSTATEMENT;

  • The compiler will evaluate the Boolean expression. If it is TRUE then the STATEMENT is executed. If it is FALSE then the STATEMENT is skipped.


Comparison expressions

Comparison expressions

  • =Equal to

  • <>Not equal to

  • <Less than

  • >Greater than

  • >=Greater than or equal

  • <=Less than or equal


If then else

IF-THEN-ELSE

IF (Boolean expression) THENSTATEMENT1

ELSE

STATEMENT2;

  • The compiler will evaluate the Boolean expression. If it is TRUE then STATEMENT1 is executed. If it is FALSE then STATEMENT2 is executed.

  • Note: no semicolon after STATEMENT1.


For tuesday

For Tuesday

  • Reminder: HW #5 is due

    • IT is on the web - Marateck’s HW #4

  • Read sections 7.1-7.6 and 7.7-7.12


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