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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the primary function of a Power Supply Unit (PSU)?
💡 Hint: Think about where the power for the computer comes from.
Question 2
Easy
Which display type is generally more energy-efficient, LCD or CRT?
💡 Hint: Consider which type of display consumes less electricity.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What percentage of efficiency do most power supply units typically have?
- 50-55%
- 70-75%
- 80-85%
💡 Hint: Think about a power supply's performance level.
Question 2
True or False: Smaller hard disk drives usually consume more power than larger drives.
- True
- False
💡 Hint: Consider energy requirements as size changes.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a proposal for optimizing the power supply and components in a small office to enhance energy efficiency. Suggest at least three concrete changes.
💡 Hint: Consider how professional settings can benefit from lower operational costs.
Question 2
Calculate the percentage savings in power consumption if switching from a 75% efficient PSU to one that is 90% efficient, given that a computer system consumes 300 watts.
💡 Hint: Focus on the input/output relationship between power and efficiency.
Challenge and get performance evaluation