Tables or record arrays {file, computing}| can store programs and/or data values. Files are record sets {data collection}.
parts
Files have initial information {file header, file} and end markers {end-of-file marker} (EOF).
file operations
Sort file lines in alphabetical, numerical, or other order. Compare files line-by-line, for differences or similarities. Delete (Remove) file from directory. Save file in directory. Copy saved file to another directory or to same directory with new name. Rename file.
reading
Computers can read files bit by bit in sequence from start to finish {serial file} or at any point {random access file}. Files can have no index {direct file}, sequential index {index sequential file}, or random index {index random file}.
database
Computer files {master file} can hold reference data or database. Files {transaction file} can contain new or temporary data to update master file.
output
Files {output file} can result from processing.
Mathematical Sciences>Computer Science>Software>Data Hierarchy
3-Computer Science-Software-Data Hierarchy
Outline of Knowledge Database Home Page
Description of Outline of Knowledge Database
Date Modified: 2022.0224