Grade 7 Pre-Technical Studies · Strand 1: Foundations of Pre-Technical Studies · Computer Concepts
Characteristics and Capabilities 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. A school clerk uses one computer to prepare fee statements, play a recorded lesson and print certificates by changing software. Which characteristic of computers does this best show?
- A. Versatility
- B. Diligence
- C. Consistency
- D. Storage capacity
2. A teacher mistakenly types 8 instead of 80 as a pupil's mark. The computer then calculates the mean using 8. Which principle explains this?
- A. Versatility
- B. GIGO (Garbage In, Garbage Out)
- C. Diligence
- D. Storage capacity
3. A computer prints 500 report cards one after another. The last one is produced as quickly and as well as the first. Which characteristic does this best show?
- A. Diligence
- B. Versatility
- C. Human intuition
- D. Random decision-making
4. A hospital keeps decades of patient records on its computer system and can retrieve any record immediately. Which characteristic of computers makes this possible?
- A. Processing speed only
- B. Large storage capacity
- C. Versatility
- D. Human fatigue
5. Which characteristic of a computer means that, given the same input and instructions, it always produces the same result?
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