COMPUTER ESSENTIALS · UNIT 04

Choosing a computer

Match a computer to what you need, with optional reminders about specifications and components.

Build your confidence one skill at a time.

Work through the illustrated explanations, explore the examples and check your understanding with the questions. You can revisit any section whenever you need a reminder.

Lessons in this unit

Learn at your own pace

FREE · BUILDING CONFIDENCE

Choose computer specifications for your needs

Connect your everyday tasks with sensible buying questions.

8 minutes

FREE · BUILDING CONFIDENCE

Compare new and refurbished computer offers

Check condition, support and total cost before choosing a deal.

8 minutes

FREE · BEGINNER

Meet your computer

Recognise the main parts of a desktop or laptop and understand how they work together.

5 minutes

FREE · BEGINNER

Understand working memory (RAM)

Understand the computer’s working memory, how it differs from storage and why memory types must match the computer.

10 minutes

FREE · BEGINNER

Understand storage: HDD and SSD

Learn where saved files live, compare hard drives and solid-state drives, and recognise SATA and M.2 SSD examples.

10 minutes

FREE · BEGINNER

Understand the processor (CPU)

Learn what a processor does, how cores help and why one speed number cannot explain a whole computer.

10 minutes

FREE · BEGINNER

Understand the graphics processor (GPU)

Learn how graphics processing helps create pictures, and compare integrated graphics with a separate graphics card.

10 minutes