Page 122 - TP_Pluse_V2.2_Class_7
P. 122
Tech Fact
ASCII is made up of 128 symbols in the character set. These symbols consist of letters
(both uppercase and lowercase), numbers, punctuation marks, special characters and control
characters.
CONDITIONS IN A PROGRAM
While writing a program, we need to make certain decisions based on the logic of the program.
Such situations are called conditions. Conditional statements are used in a program to instruct the
computer to make a decision. The result of a condition will always be either True or False.
if-then-else
The program executes the statements Start
written inside the IF block when the
condition is True. If the condition is
False, the statements written inside
IF (Condition)
the else block will be executed. A to be checked
block refers to a section of code that is True False
grouped together. Statements inside IF block Statements inside ELSE
will execute block will execute
Stop
Look at these examples:
Example 1: Example 2:
READ Subject READ marks
IF Subject = "Maths" THEN IF marks > 50 THEN
PRINT "Take out Maths book & notebook" PRINT "Pass"
ELSE ELSE
PRINT "Check timetable" PRINT "Fail"
Example 3: Example 4:
READ Rain READ age
IF Rain = True THEN IF age >= 18 THEN
PRINT "Carry an umbrella" PRINT “You are eligible to vote.”
ELSE ELSE
PRINT "Do not carry an umbrella" PRINT “You are not eligible to vote.”
120 Plus (Ver. 2.2)-VII

