intro to data Flashcards
what is data?
information in an electric form that is stored in devices such as computers
what is a bit?
a bit stands for binary digit and it is the smallest piece of info that a computer can store
what is a transistor?
a tiny switch that controls digital signals- inside a computer
what is a digital signal?
a type of electricity- either ON or OFF
what is a circuit?
it is a combination of electrical wires & transistors as well as other things that can process binary
what is positional number system ?
the location of digits tells us it’s value (used to figure out binary)
what is place value ?
the numerical value that a number has by the value of its position
what is base10
the normal counting system made up of 10 digits
what is denary?
another word for base10
what is base2?
base2 is binary- only 2 digits used
what is binary?
another word for base2
what is binary code?
how the computer understands binary
what types of data are there?
numerical & personal
what is 01110111 in denary/base10
119
what is 48 in base 2?
00110000