How many phases in system development life cycle?
a) five
b) six
c) seven
d) eight
Explanation: preliminary investigation, analysis, design, development, testing, implementation, maintenance
Which of the following is advantage of partitioning?
a) efficiency
b) extra space and update time
c) both a & b
d) none of these
Which of the following is disadvantage of partitioning?
a) simplicity
b) extra space and update time
c) both a & b
d) none of these
Merge relation is important because…….
a) different views may need
b) new data requirement
c) both a & b
d) none of these
Which of the following design is used to organize data into computer hard disk?
a) logical design
b) physical design
c) analysis
d) implementation
What does DFD stand for?
a) data flow diagram
b) design flow diagram
c) data find diagram
d) design find diagram
