The __________________ is connected to servers (typically powerful workstations or PCs) that play a dual role ?

A. Database
B. Software
C. Hardware
D. None of the mentioned
✅ The correct answer is option nu.
Explanation: A root system, sometimes a mainframe, serves as the repository for corporate data plays a dual role.

Lower and upper limits are present in which chart ?

A. Run chart
B. Bar chart
C. Control chart
D. None of the mentioned
✅ The correct answer is option A.
Explanation: A run chart is used to monitor the behavior of a variable over time for a process or system. Run charts graphically display cycles, trends, shifts, or non-random patterns in behavior over time. It contains lower and upper limits.

Which of the following phases identifies and expresses requirements, prioritizes requirements, updates project plan, and communications the requirements statement ?

A. logical design phase
B. decisions analysis phase
C. problem analysis phase
D. none of the above
✅ The correct answer is option D.