System Analysis and Design
The communication problem involves the

manager and the analyst
analyst and the programmer
operate and the computer
programmer and the computer
None of these

ANSWER DOWNLOAD EXAMIANS APP

System Analysis and Design
The black-box concept:

All of these
is invoked by describing a system in terms of inputs and outputs, leaving the transformation process a black box.
assumes that inputs and outputs will remain stable
None of these
assumes that the black box is independent

ANSWER DOWNLOAD EXAMIANS APP

System Analysis and Design
Direct-access 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