System Analysis and Design
Which of the following activities, does not belong to the Implementation phase of the SDLC?

All of these
File conversion
None of these
User training
Program testing

ANSWER DOWNLOAD EXAMIANS APP

System Analysis and Design
A square symbols

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

ANSWER DOWNLOAD EXAMIANS APP

System Analysis and Design
A system analyst designs a new system by

propose alternatives to the current system
None of these
developing the system as a large, single unit
identifying sub systems and the interfaces between sub systems
adopting a developed system to the present environment

ANSWER DOWNLOAD EXAMIANS APP

System Analysis and Design
Sequential organization

has records placed randomly throughout the file
None of these
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