PPSC - Lecturer Computer Science IT - Higher Education Department Punjab - 2017
What is the best way to represent the attributes in a large database?
  • A. Relational-and
  • B. Concatenation
  • C. Dot representation
  • D. All of the mentioned
Designers use which of the following to tune the performance of systems to support time-critical operations?
  • A. Denormalization
  • B. Redundant optimization
  • C. Optimization
  • D. Realization
RAD stands for:
  • A. Rapid application development
  • B. Relative application development
  • C. Rapid application document
  • D. Rational application document
Which one of the following model is not suitable for accommodating any change?
  • A. Build & fix model
  • B. Prototyping model
  • C. Rad model
  • D. Waterfall model
Which one of the following is not a phase of the Prototyping Model?
  • A. Quick design
  • B. Coding
  • C. Prototype refinement
  • D. Engineer product
RAD Model has ….?
  • A. 2 phases
  • B. 3 phase
  • C. 5 phases
  • D. 6 phases
What is the major drawback of using RAD Model?
  • A. Highly specialized & skilled developers/designers are required
  • B. Increases reusability of components
  • C. Encourages customer/client feedback
  • D. Increases reusability of components, highly specialized & skilled developers/designers are required
SDLC stands for ……?
  • A. Software development life cycle
  • B. System development life cycle
  • C. Software design life cycle
  • D. System design life cycle
Which model can be selected if user is involved in all the phases of SDLC?
  • A. Waterfall model
  • B. Prototyping model
  • C. Rad model
  • D. Both prototyping model & rad model