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PPSC PAST PAPER LECTURER COMPUTER SCIENCE (BS-17) (MALE & FEMALE) -2017

(41) . What is the best way to represent the attributes in a large database?

  1. Relational-and

  2. Concatenation

  3. Dot representation

  4. All of these

(42) . Designers use which of the following to tune the performance of systems to support time-critical operations?

  1. Demoralization

  2. Redundant optimization

  3. Optimization

  4. Realization

(43) . RAD stands for:

  1. Relative Application Development

  2. Rapid Application Development

  3. Rapid Application Document

  4. Rational Application Document

(44) . Which one of the following models is not suitable for accommodating any change?

  1. Build & Fix Model

  2. Prototyping Model

  3. RAD Model

  4. Waterfall Model

(45) . Which one of the following is not a phase of the Prototyping Model?

  1. Quick Design

  2. Coding

  3. Prototype Refinement

  4. Engineer Product

(46) . RAD Model has::

  1. 2 phases

  2. 3 phases

  3. 5 phases

  4. 6 phases

(47) . What is the major drawback of using RAD Model?

  1. highly specialized & skilled developers / designers are required

  2. increases re-usability of components

  3. Encourages customer/client feedback

  4. Both A & C

(48) . SDLC stands for:

  1. Software Devetopment Life Cycle

  2. system Development Life cycle

  3. Software Design Life cycle

  4. system Design Life Cycle

(49) . Which model can be selected if a user is involved in all the Phases of SDLC?

  1. Waterfall Model

  2. Prototyping Model

  3. RAD Model

  4. Both A & C

(50) . Two devices are in the network if:

  1. A process in one device is able to exchange Information with a process in another device

  2. A process is running on both devices

  3. PIDs of the processes running of different devices are same

  4. None of these

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