A-Level Aqa Computer Science Paper 2 Already Passed

Real Division {Ans: Finds the value (usually as a decimal) of one number divided by another.}Union {Ans: The set of values that contains all of the values from both sets.}Gateway {Ans: The device you pass through to access the internet and to convert between different protocols.}IPv6 {Ans: An IP address that is represented using hexadecimal.}Methods {Ans: The subroutines that make up an object.}n {Ans: The minimum number of bits that are needed to represent 2^n different values.}Primary Key {Ans: A unique code given to each attribute. Example: A car's number plate.}Run Length Encoding {Ans: A type of lossless compression that is used when there are lots of the same item in a row. Example: In a logo image there are usually large blocks of the same colour.}Digital to Analogue Conversion {Ans: What does DAC stand for?}Private {Ans: The scope of a variable when it can only be accessed from within the block of code it was defined in.}