15.4.7.8.4.1 - Power supply
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Practice Questions
Test your understanding with targeted questions
What is the primary function of a Power Supply Unit (PSU)?
💡 Hint: Think about where the power for the computer comes from.
Which display type is generally more energy-efficient, LCD or CRT?
💡 Hint: Consider which type of display consumes less electricity.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What percentage of efficiency do most power supply units typically have?
💡 Hint: Think about a power supply's performance level.
True or False: Smaller hard disk drives usually consume more power than larger drives.
💡 Hint: Consider energy requirements as size changes.
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Challenge Problems
Push your limits with advanced challenges
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.
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.
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