KNEC diploma in ICT module II: System Analysis and Design past paper November 2017 Answers

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Course Name:  Information and Communication Technology
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Course Level:  Diploma
Sub Level:       Module II
Course Unit:   System Analysis and Design
Exam body:    KNEC
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Outline two responsibilities of a system analyst in an organization ()

Differentiate between structured and unstructured interviews ()

Describe knowledge based system ()

State two desirable characteristic of internal documentation of a program ()

With the aid of a diagram, describe a closed control system ()

Transaction processing system play a vital role in organization. Explain three typical features of these system that make them inevitable in organization ()

Explain the importance of pseudocode in system design ()

Outline three causes of project schedule slippage ()

Outline three limitation of using waterfall model in system management ()

10.

With the aid of diagram, describe three types of relationships used in entity relationship diagram (ERD) •One-to-one Relationship •One-to many/ Many –to-one Relationship •Many –to-many Relationship ()

11.

Most software developers are adopting object oriented analysis and design. Explain three features associated with this methodology ()

12.

Define the term resource as used in project management ()

13.

Describe two key components of a term_of_refference document in information system projects. ()

14.

Differentiate between portability and compatibility qualities as used in system design ()

15.

Sarah was required to select a system development method for a proposed information system for her company. Outline four factors that she could consider in order to select an appropriate methodology ()

16.

Charlie intends to validate an information system by tracing the system code: i) Identify the most appropriate type of test that he could test. Explain two challenges he could likely to encounter while using the type of test identified in (i). ()

17.

With the aid of a diagram, describe two symbols used in use case diagram ()

18.

Use case diagrams are popular in system analysis. Describe three advantages of the tool that could be influencing this trend. ()

19.

Differentiate between legal and operational feasibility studies ()

20.

Mobile developers employ prototyping to solve user problems. Describe three types of prototypes used in this industry ()

21.

Explain the term bespoke system as applied in system acquisition ()

22.

Explain two uses of system documentation ()

23.

Marek company limited installed modern computer in all its offices but the existing information system could not be installed in the new computer. Assume you are hired as system analyst, i) Describe the type of maintenance that you would recommend for the information system. ii)Explain two risks associated with the maintenance identified above ()

24.

Outline two goals of usability in system design ()

25.

Explain two factors that should be considered when formulating a risk plan in a project ()

26.

Barbra was hired to develop and thoroughly test an information system for a client that did not have an existing information system. i) Identify the changeover strategy that she could use. ii) Outline four advantages of the changeover strategy identified ()

27.

Outline two data capturing methods that could be used in an information system. ()

28.

Differentiated between user guide manual and technical manual as used in system documentation ()

29.

Outline two participant that could be invited for a structured walkthrough meeting ()

30.

Outline three reasons that could influence a system designer to use functional decomposition ()

31.

Decision trees are commonly used by system analyst. Outline three strengths of this tool that could be influencing this trend ()

32.

Robert intends to train users of a new system using an online program. (i)Identify the training method that he would be using (ii) Explain two benefits of using the training method identified in (i) ()

33.

Outline two requirements for the software as a service (SaaS ) in an organization ()

34.

Explain two types of time estimates that used to in a project network diagram ()

35.

Rose intends to collect data about an organization without the knowledge of the workers (i) Explain the most appropriate data gathering technique that she could use (ii) Explain two problems that she could experience while using the fact-finding method identified in (i) ()

36.

Judes intends to select a file organization method for an information system that he was designing for a client. Outline four factors that he should consider in the selection, other than cost. ()

37.

Research statistics indicates high rate of system project failures. Outline four possible causes of the failures ()