Unit 1:Digital Information

Front

Binary

Back

A way of representing information using only two options

Front

Bit

Back

A contraction of 'Binary Digit'; the single unit of information in a computer, typically represented as a 0 or 1

Front

Byte

Back

8 bits

Front

Overflow Error

Back

Error from attempting to represent a number that is too large

Front

Round-off Error

Back

Error from attempting to represent a number that is too precise. The value is rounded

Front

Analog Data

Back

Data with values that change continuously, or smoothly, over time

Front

Digital Data

Back

Data that changes discretely through a finite set of possible values

Front

Sampling

Back

Creating a digital representation of analog data by measuring at regular intervals called samples

Front

Lossless Compression

Back

Reducing the number of bits needed to represent something without losing any information. Reversible process

Front

Lossy Compression

Back

Reducing the number of bits needed to represent something with some information lost. Irreversible process