Introduction to Computers
What a computer is, what it does with information, where computers are used at work — and how to tell a desktop from a laptop, a tablet, a server and the tiny computers hidden inside everyday machines.
By the end of this lesson, you can…
- Explain what a computer is and why it is more than a screen and keyboard.
- Describe the four jobs every computer performs: input, processing, output and storage.
- Give examples of computers at work in offices, shops, schools, hospitals and banks.
- Identify the main types of computers and their strengths and limitations.
- Choose an appropriate device for a given workplace task and give reasons.
Work through the five parts.
Start with the reading, then use the slides to revise. The practice lab and quiz build confidence before you complete the assignment. Progress is saved in this browser.
1 · Reading
The full lesson material: definitions, the information cycle, workplace uses, computer types, a comparison table and key terms.
2 · Slides
Twenty teaching slides for class presentation or revision, with presenter notes and keyboard navigation.
3 · Practice lab
Three short activities: decide what counts as a computer, match devices to jobs, and label the information cycle.
4 · Quiz
Ten questions with instant feedback and explanations. Your best score is saved. Aim for 8 out of 10.
5 · Assignment
Your first workplace task: find computers around you, then recommend the right device for four staff roles.
Teacher guide
Lesson plan, timing, answer keys, common misconceptions and differentiation ideas for the instructor.
A steady rhythm of theory, practice and feedback.
Theory and explanation
What a computer is, the information cycle and the types of computers — with everyday examples from work.
Instructor demonstration
A guided tour of real devices and a live walk-through of the information cycle using a simple task.
Guided practical work
Reading, slides and the three practice activities, completed with support from the instructor.
Independent exercises
The quiz and the first part of the assignment, completed on your own.
Review and questions
Discuss answers, clear up misconceptions and preview Day 2: hardware, software and devices.
Quiz best score—
Before you start
- A notebook and pen for key terms
- Access to a computer (or share one)
- A browser such as Chrome or Edge