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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?
- 10"
- 24" (correct)
- 12"
- 30"
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?
- To indicate that the web page is for shopping.
- To indicate that the web page is closed.
- To indicate that the web page is secure. (correct)
- To indicate that the web page is unsafe.
Which one of the following measures the speed of the CPU?
Which one of the following measures the speed of the CPU?
- Gigahertz (GHz) (correct)
- Megabytes (MB)
- Gigabytes (GB)
- Bits per second (Bps)
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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