O/L ICT - Lesson 10: Programming Simulator Tool
Grade 11 - Competency 10: Writes programs to solve problems
සිංහල / English
🎨 Flowchart Builder (10.3 - Flow charts)
Symbol Palette
Start/End
Input/Output
Process
Decision
Flowchart Canvas
Drag symbols here. Move them to desired positions.
Pre-built Templates:
🔄 Pseudo Code ↔ Flowchart Converter (10.3)
📊 One-Dimensional Array Simulator (10.9)
Array Declaration Examples:
Pascal:
var marks: array[1..10] of integer;
Pseudocode:
DECLARE marks[10] AS INTEGER
Features:
• Contiguous memory
• Index starts at 1
• Random access
• Contiguous memory
• Index starts at 1
• Random access
🔍 Data Type Validator (10.4)
I
Integer
Whole numbers
F
Float
Decimal numbers
S
String
Text data
B
Boolean
True/False
C
Character
Single character
| Variable Name | Data Type | Value | Valid | Action |
|---|
🌀 Control Structures Visualizer (10.2, 10.6, 10.7, 10.8)
Pseudo Code:
Flowchart:
Execution Steps:
Variable Values:
🔢 Operator Precedence Evaluator (10.5)
Operator Types:
Arithmetic Operators:
- + (Addition)
- - (Subtraction)
- * (Multiplication)
- / (Real Division)
- DIV (Integer Division)
- MOD (Modulus)
Relational Operators:
- = (Equal to)
- != or <> (Not equal)
- < (Less than)
- > (Greater than)
- <= (Less or equal)
- >= (Greater or equal)
Logical Operators:
- AND (Logical AND)
- OR (Logical OR)
- NOT (Logical NOT)
Operator Precedence (Highest to Lowest):
- () Parentheses
- NOT (Logical NOT)
- *, /, DIV, MOD, AND
- +, -, OR
- =, !=, <, >, <=, >=
⚖️ Selection Structure Simulator (10.6)
Pseudo Code:
IF marks >= 75 THEN
grade = "A"
ELSE IF marks >= 65 THEN
grade = "B"
ELSE IF marks >= 55 THEN
grade = "C"
ELSE IF marks >= 40 THEN
grade = "S"
ELSE
grade = "F"
ENDIF
Selection Structure Types:
IF-THEN-ENDIF
IF condition THEN
statements
ENDIF
IF-THEN-ELSE-ENDIF
IF condition THEN
statements1
ELSE
statements2
ENDIF
🔄 Iteration Simulator (10.7)
Pseudo Code:
sum = 0
i = 1
WHILE i <= n DO
sum = sum + i
i = i + 1
ENDWHILE
OUTPUT sum
Loop Execution:
Iteration Types:
WHILE Loop
WHILE condition DO
statements
ENDWHILE
• Condition checked at start
• May execute 0 times
FOR Loop
FOR i = 1 TO n DO
statements
ENDFOR
• Fixed number of iterations
• Counter variable
REPEAT-UNTIL
REPEAT
statements
UNTIL condition
• Condition checked at end
• Executes at least once
💾 Variable and Constant Simulator (10.4)
Variable Declaration:
Rules: Start with letter, no spaces, meaningful names
Constants: Values cannot be changed after declaration
Memory Visualization:
Declared Variables:
| Identifier | Type | Value | Constant | Memory Address | Actions |
|---|