System Analysis and Design
Pointers are useful in

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

ANSWER DOWNLOAD EXAMIANS APP

System Analysis and Design
Direct-access organization

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

ANSWER DOWNLOAD EXAMIANS APP

System Analysis and Design
A menu-driven system

None of these
presents options and allows the user to make selections
can be used only by computer professionals
increases the operator's work
is required only for on-line systems

ANSWER DOWNLOAD EXAMIANS APP