Plenary

Purpose of Computers Quiz

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Plenary Quiz

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1. What is the main purpose of a general-purpose computer?

A) To display websites
B) To execute programs that operate on data
C) To store files permanently
D) To display images and videos

Explanation: A general-purpose computer runs programs that process data, performing different tasks depending on the software.

Source: Slides-22.pptx (definition of a computer).

2. How was the Antikythera mechanism similar to modern computers?

A) It used electricity
B) It could play games
C) It followed instructions to perform calculations
D) It connected to the internet

Explanation: Although mechanical, the Antikythera mechanism processed data to predict events using a set mechanism — similar to how computers execute instructions.

Source: Slides-22.pptx (Antikythera mechanism).

3. Which of these is NOT a program?

A) Word processor
B) A photo of a snowman
C) A web browser
D) A sound editor

Explanation: Photos, videos, and sounds are data — programs are needed to open and process them.

Source: Slides-22.pptx (software vs data).

4. What does the operating system do?

A) It manages how the whole system runs
B) It stores music
C) It displays only webpages
D) It protects the keyboard

Explanation: The operating system is a program that manages the computer’s memory, inputs, outputs, and other functions.

Source: Slides-22.pptx (operating systems are programs).

5. Why is a computer different from an appliance like a toaster or fridge?

A) It is more expensive
B) It can perform many tasks using different programs
C) It makes heat
D) It runs 24/7

Explanation: Unlike single-purpose machines, a computer can transform into many different tools depending on the program it’s running.

Source: Slides-22.pptx (computer vs appliance).

One Thing I Learned

Write one key idea you will remember from today’s lesson.