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Grade 7 Pre-Technical Studies · Strand 1: Foundations of Pre-Technical Studies · Computer Concepts

Classification of Computers

A short Grade 7 Pre-Technical Studies lesson for the CBE curriculum, part of Foundations of Pre-Technical Studies: Computer Concepts. Learn it on any phone with notes and slides, then check yourself with a quick quiz and earn XP. This lesson is free.

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  1. 1. Which type of computer processes discrete data using binary digits 0 and 1?

    • A. Analogue computer
    • B. Digital computer
    • C. Hybrid computer
    • D. Mechanical gauge
  2. 2. An intensive care patient monitor senses continuous changes such as blood pressure and then displays them as numbers on a screen. What type of computer is it?

    • A. Analogue computer
    • B. Special-purpose analogue gauge
    • C. Hybrid computer
    • D. Abacus
  3. 3. Which of the following is an example of a special-purpose computer?

    • A. A classroom desktop PC
    • B. A smartphone
    • C. A personal laptop
    • D. A traffic light controller
  4. 4. Which type of computer measures continuous physical quantities such as temperature, voltage or pressure?

    Type your answer in the lesson.

  5. 5. Why is a smartphone classified as a general-purpose computer?

    • A. It can only make phone calls
    • B. It can run many different applications for different tasks
    • C. It uses only analogue signals
    • D. Its instructions cannot be changed or added to

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