System Analysis and Design
Structured Programming involves

localisation of errors
all of the listed here
decentralisation of program activity
functional modularisation

ANSWER DOWNLOAD EXAMIANS APP

System Analysis and Design
Indexed-Sequential organization

stores records sequentially but uses an index to locate records
means storing records in contiguous blocks according to a key
uses an index for each key type
has records placed randomly throughout the file

ANSWER DOWNLOAD EXAMIANS APP