1. 

The longest method of conversion is

A. direct
B. parallel
C. phased
D. pilot

2. 

Changes made periodically to a system, after its implementation, is known as system

A. analysis
B. design
C. development
D. maintenance

3. 

The first step in systems Development Life Cycle is

A. database design
B. system design
C. preliminary investigation and analysis
D. graphical user interface

4. 

Nassi - schneiderman charts

A. are being replaced by flowcharts
B. often describe over lapping control structures
C. are made up of boxes within boxes
D. both (a) and (c)

5. 

Which of the following tools is not used in modeling the new system?

A. decision tables
B. data dictionary
C. data-flow diagrams
D. All of the above