WorksheetsHow Computers Work - #4
Total questions: 9
Worksheet time: 5mins
According to the video, every input or output of a computer is effectively a type of...
CPU
pineapple
information
power supply
Information can be represented by electrical signals that are ...
slippery
dangerously shocking
red or blue
on or off
Information is represented inside the computer as ...
ones and zeroes
black wires and white wires
the power switch
a virus
A circuit that changes a zero into a one, and a one into a zero is called...
a confusing circuit
an "and" circuit
a round circuit
a "not" circuit
According to the video, this symbol represents what kind of circuit?
a "not" circuit
an "and" circuit
an "or" circuit
a badly designed fork
In an "and" circuit, the output will be 1 only if...
input 1 AND input 2 are both 1s
input 1 OR input 2 is a 1
input 1 AND input 2 are both 0s
It's only 9:30am and I'm still hungry
A circuit that adds 2 bits together is called...
very useful
an adder
not very useful
a combinator
According to the video, all the information processing that our computer does is...
a combination of "not" circuits and "and" circuits only
generally very complicated
lots of small, simple operations put together
performed by a team of tiny squirrels with notepads and paper
According to the video, how fast does electricity move?
Around 100 miles per hour
Just about the speed of sound
Just about the speed of light
About as fast as humans can run
