AP CSP File Formats

Metadata

________: a set of data that gives other information about data (describes how and when and by whom a particular set of data was collected, and how data is formatted)

Pixel

________: short for a picture element, a single point in a graphic image.

Lossy Compression

________: As you compress the data, it loses data non- recoverable.

Lossless Compression

________: No data lost, it can be compressed and decompressed back to the origin.

Hex Code

________ uses RGB values in red, blue, green.

Pixel density

________ refers to how many pixels have been squeezed into a physical amount of space.

binary digits

Hexadecimal: base- 16; numbers are 0- 9 and then use the letters A- F. is a convenient way to express binary numbers in modern computers in which a byte is almost always defined as containing eight ________.

File format

________: the layout of a file in terms of how the data within the file is organized.

Hexadecimal

base-16; numbers are 0-9 and then use the letters A-F. is a convenient way to express binary numbers in modern computers in which a byte is almost always defined as containing eight binary digits

Lossy Compression

As you compress the data, it loses data non-recoverable

Lossless Compression

No data lost, it can be compressed and decompressed back to the origin

File format

the layout of a file in terms of how the data within the file is organized

pixel

short for a picture element, a single point in a graphic image

Metadata

a set of data that gives other information about data (describes how and when and by whom a particular set of data was collected, and how data is formatted)

data

distinct information that is formatted in a special way

Audio file formats

MP3(lossy), WAV (lossless), OGG (lossy)

Text file formats

BAT (lossless), DOC (lossless)

Image file formats

JPEG (lossy), GIF(lossless)

Audio and Video file formats

MP4(lossy), MOV (lossy), WebM (lossy video compressor)