Grade 7 Pre-Technical Studies · Strand 1: Foundations of Pre-Technical Studies · Computer Concepts
Classification of Computers by Size and Practical Tasks
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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5 questions from this lesson’s quiz. Start the lesson to answer them and see the right answers.
1. Which type of computer is used by the Kenya Meteorological Department for complex national weather forecasting?
- A. Supercomputer
- B. Microcomputer
- C. Minicomputer
- D. Handheld device
2. Which list shows computers from the largest and most powerful to the smallest?
- A. Supercomputer, mainframe, minicomputer, microcomputer
- B. Supercomputer, mainframe, microcomputer, minicomputer
- C. Mainframe, supercomputer, minicomputer, microcomputer
- D. Microcomputer, minicomputer, mainframe, supercomputer
3. A learner in a cybercafé in Nakuru uses a desktop PC. Which class of computer is this?
- A. Supercomputer
- B. Mainframe computer
- C. Minicomputer
- D. Microcomputer
4. Which action follows the correct safety rule when handling computers in the laboratory?
- A. Pulling the cable by the cord to unplug it quickly
- B. Gripping the plug head when disconnecting the cable
- C. Placing a water bottle next to the keyboard
- D. Switching off at the wall instead of using Shut Down
5. Which class of computer supports hundreds or thousands of users at once and processes millions of transactions for banks and revenue authorities?
Type your answer in the lesson.
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