Files and Data Flashcards
what is a “property” of a file
the information about the file itself for example the metadata
name 5 pieces of metadata for images
file format
dimensions
resolution
colour depth
locations
name 3 pieces of metadata for text files
file format
pages
word count
line count
character count
name 3 pieces of metadata for audio files
file type
duration
bit rate
sample rate
channels
name 4 pieces of metadata for video files
file type
duration
frame rate
bit rate
sample rate
changels
what are 3 file types of vidoes
MP4
MOV
AVI
what are 3 file types of audios
MP3
FLAC
WAV
what is compression
a way of reducing file size
what are the 2 types of compression
lossy and lossless
how does lossy compression work
will reduce filesize by permanently removing data
what is the benefit of lossy compression
significantly lowers filesize
what is the con of lossy compression
irreversible
what is lossless compression
uses an algorithm to lower the filesize by grouping data
what is a pro and a con for lossless compression
doesn’t reduce file size as much
reversible
what are the 4 types of data errors
general input error
transcription error
processing error
transmission error