Power Supply and Settings (Grade 11 NSC Matric Computer Application Technology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Which type of device uses internal rechargeable batteries as its power source?
Which type of device uses internal rechargeable batteries as its power source?
Laptops and tablets
How do computers rank in terms of power consumption in homes and offices?
How do computers rank in terms of power consumption in homes and offices?
Among the highest power consumers
Which component is one of the most power-hungry in a computer system?
Which component is one of the most power-hungry in a computer system?
The screen
How do laptop users typically adjust their screen brightness?
How do laptop users typically adjust their screen brightness?
Dedicated function keys on keyboard
Where are physical brightness buttons usually located on desktop monitors?
Where are physical brightness buttons usually located on desktop monitors?
Bottom right corner
What brightness setting is required when working in a bright room?
What brightness setting is required when working in a bright room?
Higher screen brightness
What does an Energy Star rating on a device indicate?
What does an Energy Star rating on a device indicate?
It meets energy efficiency guidelines
What is a key benefit of using a UPS with computer equipment?
What is a key benefit of using a UPS with computer equipment?
Provides backup power during failures
What happens when main power fails and a UPS is connected?
What happens when main power fails and a UPS is connected?
UPS switches to internal battery backup
What approach creates the most effective power management?
What approach creates the most effective power management?
Combining multiple power strategies