Code
Basic values or facts
What is data?
A device that performs a basic operation on electrical signals, accepting one or more input signals and producing a single output signal
What is gate?
Data about data
What is metadata?
Reducing the amount of space needed to store a piece of data
What is data compression?
A combination of interacting gates designed to accomplish a specific logical function.
What is circuit?
Individual dots used to represent a picture; stands for picture elements
The size of the compressed data divided by the size of the uncompressed data
What is Compression Ratio?
A type of gate that accepts one input value and produces one output value
What is a NOT gate?
The condition that occurs when the results of a calculation are too large to represent in a given machine
What is overflow?
Replacing a frequently used work with a single character
What is keyword encoding?
A type of gate that accepts 2 input signals (expressed using a single dot ยท )
What is a AND gate?
A data compression technique in which there is loss of information
What is lossy compression?
Using a variable-length binary string to represent a character so that frequently used characters have short codes
What is Huffman encoding?
A type of gate that has two inputs (expressed using a plus sign +)
What is a OR gate?
A data compression technique in which there is no loss of information
What is lossless compression?