Podcast
Questions and Answers
What is the suitable distance between the screen and the person?
What is the suitable distance between the screen and the person?
Which one of the following best describes why https and a lock symbol would be displayed on a web page?
Which one of the following best describes why https and a lock symbol would be displayed on a web page?
Which one of the following measures the speed of the CPU?
Which one of the following measures the speed of the CPU?
Which would you use to play computer games?
Which would you use to play computer games?
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Study Notes
Screen Distance
- Recommended viewing distance between screen and person is typically between 20 to 40 inches (50 to 100 cm) to reduce eye strain.
- Ideal screen height is at or slightly below eye level for optimal posture.
HTTPS and Lock Symbol
- HTTPS stands for HyperText Transfer Protocol Secure, indicating a secure connection between the web server and the browser.
- A lock symbol signifies that the website uses encryption to protect user data and communications, safeguarding against eavesdropping and tampering.
CPU Speed Measurement
- CPU speed is measured in gigahertz (GHz), indicating the number of cycles per second the processor can perform.
- Higher GHz value typically means faster processing capabilities, leading to improved performance in applications.
Playing Computer Games
- Gaming typically requires a dedicated graphics processing unit (GPU) and sufficient RAM to handle complex graphics and gameplay.
- Optimal conditions also include high refresh rate monitors and fast response times for a better gaming experience.
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Description
Test your knowledge of basic computer and IT safety practices with this quiz. Questions cover topics such as screen distance, cable connections, and internet protocols.
