Formula Centre

Formula guides and key subject rules for every grade and subject, with worked examples and practice.

Grade 10 Computer Applications Technology essentials

Computer Applications Technology • Essential reference • Grade 10

Information cycle = Input + Processing + Output + Storage
InputData entered into a system (Not applicable)

When to use it

Use to explain how digital systems handle information.

Worked example

A spreadsheet receives figures, calculates totals, displays results and saves the file.

Common mistakes

  • Confusing raw data with processed information.

Practice question

Describe the information cycle for an online form.

Grade 11 Computer Applications Technology essentials

Computer Applications Technology • Essential reference • Grade 11

Information cycle = Input + Processing + Output + Storage
InputData entered into a system (Not applicable)

When to use it

Use to explain how digital systems handle information.

Worked example

A spreadsheet receives figures, calculates totals, displays results and saves the file.

Common mistakes

  • Confusing raw data with processed information.

Practice question

Describe the information cycle for an online form.

Grade 12 Computer Applications Technology essentials

Computer Applications Technology • Essential reference • Grade 12

Information cycle = Input + Processing + Output + Storage
InputData entered into a system (Not applicable)

When to use it

Use to explain how digital systems handle information.

Worked example

A spreadsheet receives figures, calculates totals, displays results and saves the file.

Common mistakes

  • Confusing raw data with processed information.

Practice question

Describe the information cycle for an online form.