System Analysis and Design
Pointers are useful in

Locating a particular sector of a magnetic disk
None of these
Pointing mistakes in input data
Traversing a linked list
All of these

ANSWER DOWNLOAD EXAMIANS APP

System Analysis and Design
An open rectangle

represents a process that transforms incoming data flow(s) into outgoing data flows
identifies data flow
is a data store-data at rest, or a temporary repository of data
defines a source or destination of system data
None of these

ANSWER DOWNLOAD EXAMIANS APP

System Analysis and Design
Inverted list organization

Stores records sequentially but uses an index to locate records
uses an index for each key type
has records placed randomly throughout the file
means storing records in contiguous blocks according to a key.
None of these

ANSWER DOWNLOAD EXAMIANS APP