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:

📊 One-Dimensional Array Simulator (10.9)

Array Size:

Data Type:

Array Values:

Array Operations:

Result:

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

🔍 Data Type Validator (10.4)

Variable Declaration Simulator:

Data Type Examples:

Integer

Whole numbers

Float

Decimal numbers

String

Text data

Boolean

True/False

Character

Single character

Variable Table:

Variable Name	Data Type	Value	Valid	Action

🔢 Operator Precedence Evaluator (10.5)

Enter Expression (Pascal Style):

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)

🔄 Iteration Simulator (10.7)

Select Loop Type:

Enter Limit (n):

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:

Variable Name:

Rules: Start with letter, no spaces, meaningful names

Value:

Type:

Declare as Constant

Constants: Values cannot be changed after declaration

Memory Visualization:

Declared Variables:

Identifier	Type	Value	Constant	Memory Address	Actions

Variable Operations:

Select Variable:

Operation: