Vocabulary:
- Binary Numbers: Any digital data has a numerical representation using binary numbers.
- Bit: Smallest unit of information stored or manipulated on a computer; consisting either zero or one.
- Byte: 8 Bits
- Digital Images: A collection of pixels where each pixel consists of binary numbers.
- Metadata: The data of an image.
- Analog: Continuous interval of time and takes on a continuous range of values.
- Digital: Sequence of discrete symbols.
- Sampling: Recording an analog signal at regular discrete moments and converting them to a digital signal.
- Data Compression: Compression of data.
- Lossless Compression: Reconstruct the original message exactly from the compressed message.
- Lossy Compression: Technique that does not decompress digital data back to 100% of the original (looses data, but smaller compressed size).
- Text Compression: Compression of text, lossless compression.
- Data Extraction: Process of obtaining data from a database or software such as a social media website so that it can transport to another software for online analytical processing.
- Picture Graphs: Use pictures to represent values.
- Bar Graphs: Uses either vertical or horizontal bars to represent the values.
- Line Graphs: Uses lines to represent the values.
- Scatter Plots: Represent data with points and then finding the best-fit line through some of the points.
Binary (base 2) to Decimal (base 10)