Data Rep

What do computers understand in terms of power?

• Power on and power off

• High and low temperature

• Fast and slow speed

• Light and dark

What number represents power on in binary?

• 0

• 1

• 2

• 3

What number represents power off in binary?

• 0

• 1

• 2

• 3

What digits are used in the binary number system?

• 0 and 1

• 1 and 2

• 2 and 3

• 3 and 4

Why does all data need to be converted into binary for a computer to process it?

• Because binary is faster

• Because computers only understand sequences of 1s and 0s

• Because binary is more secure

• Because binary is easier to read

What is binary used for in computing?

• Only for storing numbers

• Only for storing text

• For storing numbers, text, images, sound, and program instructions

• Only for storing images

What do computers use billions of to turn voltage on and off?

• Resistors

• Switches

• Capacitors

• Transistors

Which component in an electrical circuit is responsible for providing power?

• Lamp

• Switch

• Battery

• Wire

What happens when the switch in a circuit is turned on?

• The circuit breaks

• The lamp turns off

• The circuit completes and the lamp turns on

• The battery stops working

What does the binary value '1' represent in a circuit?

• Power off

• Power on

• No change

• Circuit break