How is monitor kept with tower casing?
a) one side
b) double side
c) side-by-side
d) none of these
Exploring the System Unit
How many parts contain system unit?
a) one
b) two
c) three
d) four
Explanation: Power supply, Motherboard
The hardware component that supplies power to other parts of computer is called…...
a) power supply
b) motherboard
c) both a & b
d) none of these
Which of the following is abbreviated as power supply?
a) PS
b) P/S
c) PSU
d) all of these
Explanation: PSU: power supply unit
How many volts does power supply convert AC to DC?
a) 110-115 volts
b) 220-230 volts
c) both a & b
d) none of these
Explanation: AC: Alternating current, DC: Direct Current
What is the unit of power supply?
a) watts
b) joules
c) hertz
d) none of these
