Exam (elaborations)
ICT2621 SUMMARY Study Guide 2021
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- University Of South Africa (Unisa)
ICT2621 SUMMARY Study Guide 2021
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ICT2621 SUMMARY THE PROCESS OF UNDERSTANDING AND SPECIFYING IN DETAIL WHAT THE INFORMATION
SYSTEM SHOULD ACCOMPLISH IS CALLED SYSTEMS ______________.
o Design
o Initial study
o Analysis
o Administration
WHAT NAME IS GIVEN TO A SYSTEM THAT IS PART OF A LARGER SYSTEM?
o Supersystem
o Information system
o Subsystem
o Minifunction
AN AUTOMATION BOUNDARY IS BEST DESCRIBED AS THE SEPERATION BETWEEN THE
___________
o System and its environment
o Automated part of a system and the manual part of a system
o Manual part of a system and its environment
o Automated part of a system and its environment
CHANGES IN SOFTWARE DEVELOPMENT, TECHNOLOGY, AND BUSINESS PRACTICES HAVE
CREATED MANY NEW CAREER OPPORTUNITIES OF ANALYST, INCLUDING THREE OF THE
FOLLOWING. WHICH ONE IS NOT ONE OF THE THREE?
o Sales and support of ERP software
o Auditing, compliance and security
o Web development
o Hardware electronic assembly
DURING WHICH PROCESS DO EXECUTIVES TRY TO ANSWER KEY QUESTIONS ABOUT THE
COMPANY?
o Business process reengineering
o Strategic planning
o Information systems strategic planning
o Enterprise resource planning (ERP)
A DESCRIPTION OF THE HARDWARE, SOFTWARE AND COMMUNICATION NETWORKS REQUIRED
TO IMPLEMENT PLANNED INFORMATION SYSTEMS IS CALLED
o Information systems plan
o Applications architecture planning
o A technology architecture plan
o Enterprise technology planning
WHAT IS THE LAST STEP OF THE ANALYST’S APPROACH TO PROBLEM SOLVING?
o Monitor to make sure that you obtain the desired results
o Decide which solution is best, and make a recommendation
o Verify that the benefits of solving the problem outweighs the costs
o Implement the solution
THE TWO SYSTEMS THAT ARE EXTERNALLY ORIENTED, I E THEY FOCUS ON ENTITIES OUTSIDE
OF THE ORGANISATION ARE ___________
o Collaboration support and knowledge management systems
o Manufacturing and supply chain management systems
o Accounting/financial and human resource management systems
WHICH ONE OF THE FOLLOWING ACTIVITIES IMPROVES THE PERFORMANCE OF THE
COMPANY? SELECT THE MOST APPROPRIATE OPTION:
o Business process reengineering
o Strategic planning
o Technology impact planning
o Enterprise resource planning
THE PRIMARY OBJECTIVE OF THE ANALYSIS PHASE IS TO_____________
o Analyse the capabilities and structure of the previous system
o Prioritise the alternatives for a system
o Determine the basic structure and approach for the new system
o Understand and document the user’s needs and requirements
WHAT IS THE FIRST OFFICIAL ACTIVITY OF THE PROJECT TEAM AS IT INITIATES THE PROJECT
PLANNING PHASE?
o Define the business problem
, o Staff the project team
o Develop a cost/benefit analysis
o White a project proposal
WHICH ONE OF THE FOLLOWING DESCRIBES A PLANNED UNDERTAKING THAT PRODUCE A
NEW INFORMATION SYSTEM?
o Systems development project
o Phase
o Systems development life cycle (SDLC)
o Design phase
WHICH OF THE FOLLOWING DESCRIBES AN APPROACH OF PROGRAMMING WHICH BREAKS
MORE COMPLEX PROGRAMS INTO A SUBSET OF PROGRAM MODULES?
o Incremental
o Iterative
o Generalization-subgeneralisation
o Top-down
ONE MAIN PRINCIPLE OF STRUCTURED DESIGN IS THAT PROGRAM MODULES SHOULD BE
DESIGNED SO THAT THEY ARE __________.
o Highly engineered
o Tightly coupled
o Highly cohesive
o Rapidly prototyped
A KEY CONCEPT IN THE ______ MODEL APPROACH IS THE FOCUS OF RISK.
o Risk
o Extreme programming (XP)
o Spiral
o Agile
WHICH OF THE FOLLOWING IS NORMALLY THE MOST TIME-CONSUMING AND RESOURCE-
EXPENSIVE OPERATION?
o Building prototypes
o Observing business processes
o Reviewing existing reports
o Interviewing stakeholders
QUESTIONNAIRES CAN BE USED TO ASK QUESTIONS THAT _________.
o Determine user opinions
o Determine the stakeholders
o Define the systems functions
o Detail user procedures
WHICH ONE OF THE FOLLOWING OPTIONS DESCRIBES THE CHARACTERISTICS OF A
PROTOTYPE?
o Includes work procedures, both extensive and throwaway
o Is operative and executable, is focused on a specific objective, is quickly built
o Has a good look and feel, is executable, and is complete
o Is quickly built, has a mock-up, and is complete
WHAT IS THE MAIN PURPOSE OF JOINT APPLICATION DESIGN (JAD)?
o To establish a design environment
o To design a prototype
o To expedite the design of the system
o To expedite the investigation of system requirements
WHICH SYSTEM MODEL SHOWS WHAT THE SYSTEM IS SUPPOSED TO DO IN GREAT DETAIL,
WITHOUT COMMITTING TO ANY ONE TECHNOLOGY?
o Vertical
o Physical
o Logical
o Hardware
THE MODERN STRUCTURED ANALYSIS TECHNIQUE USES DATA FLOW DIAGRAMS (DFDs) AND
__________.
o Entity-relationship diagrams (ERDs)
o Activity diagrams
o Decision support systems (DSS)
o Workflows
CENGAGE CHAPTER 1: THE WORLD OF THE INFORMATION SYSTEMS ANALYST
, ___ SYSTEMS ARE SO COMPLEX THAT AN ORGANISATION MUST OFTEN COMMIT NEARLY
EVERYONE IN THE INFORMATINO SYSTEM DEPARTMENT AND THROUGHOUT THE
ORGANISATION TO RESEARCH OPTIONS.
o HRM
o AFM
o ERP (pg 10)
o B2C
___ ARE STRATEGIES FOR COMPLETING SPECIFIC SYSTEM DEVELOPMENT ACTIVITIES.
o Techniques (pg 12)
o Tools
o Processes
o Transactions
___ ARE DEVELOPED TO SOLVE PROBLEMS FOR ORGANISATIONS, AND A SYSTEMS ANALYST IS
OFTEN THROUGHT OF AS A PROBLEM SOLVER RATHER THAN A PROGRAMMER.
o Strategic systems
o Information systems (pg 4-5)
o Database systems
o Office support systems
A SYSTEM THAT CONTROLS INTERNAL PRODUCTION PROCESSES THAT TURN RAW MATERIALS
INTO FINISHED GOODS IS KNOWN AS A(N) ___ SYSTEM.
o Accounting and financial management
o HR management
o Collaboration support
o Manufacturing management (pg 10)
A TYPICAL ___ PROCESS CAN TAKE MONTHS OR EVEN YEARS, AND OFTEN PLANS ARE
CONTINUALLY UPDATED.
o Strategic planning (pg 17)
o Ad hoc planning
o Transaction
o System
A(N) ___ IS A COLLECTION OF INTERRELATED COMPONENTS THAT COLECT, PROCESS, STORE,
AND PROVIDE AS OUTPUT THE INFORMATION NEEDED TO COMPLETE A BUSINESS TASK.
o System boundary
o Enterprise application
o Technique
o Information system (6-7)
A(N) ___ INCLUDES HARDWARE, SOFTWARE, INPUTS, OUTPUTS, DATA, PEOPLE A AND
PROCEDURES.
o Strategic system
o Information system (pg 8)
o Subsystem
o Application architecture
A(N) IS A CENTRALLY MANAGED COLLECTION OF DATA THAT IS ACCESSIBLE TO MANY USERS
AND SYSTEMS AT THE SAME TIME.
o ERP
o CSS
o HRM
o Database (11)
THE ___ IS THE SEPERATION BETWEEN A SYSTEM AND ITS ENVIRONMENT THAT INPUTS AND
OUTPUTS MUST CROSS.
o Automation boundary
o Communication boundary
o Application boundary
o System boundary (8)
___ IS A PROCESS IN WHICH AN ORGANISATION COMMITS TO USING AN INTEGRATED SET OF
SOFTWARE PACKAGES FOR KEY INFORMATION SYSTEMS.
o Technology architecture planning
o Application architecture planning
o Enterprise resource planning (pg 11)
o Information systems strategic planning
, A ____ COLLECTS INFORMATION ON EMPLOYEES AND THEIR WORK, PROCESSES AND STORES
THAT INFORMAITON, AND THEN PRODUCES PAYCHECKS (AMONG OTHER THINGS) FOR THE
ORGANISATION
o Network system
o Payroll system (7)
o Web system
o Sales management system
DIVIDING A SYSTEM INTO COMPONENTS BASED ON SUBSYSTEMS THAT, IN TURN, ARE
FURTHER DIVIDED INTO SUBSYSTEMS IS REFERRED TO AS ____.
o Strategic planning
o System analysis
o Functional decomposition (7)
o Systems design
The ___ is a description of the hardware, software and communications networks required to
implement planned information systems.
o Technology architecture plan (pg 17)
o Application architecture plan
o Enterprise resource plan
o Information systems strategic plan
A ___ system collects information about customers, sales, products, and inventory levels.
o Network
o Payroll system
o Web
o Sales management system (7)
A sales management system might be one subsystem of a ___ system.
o Web
o Customer relationship management
o Network
o Payroll
In developing the information systems___, members of the staff look at the overall
organisation to anticipate problems rather than react to systems problems as they come up.
o Strategic plan
o Application plan
o Database plan
o System plan
The ___ is the plan defining the technology and applications that the information systems
function needs to support the organisation’s strategic plan.
o Information systems strategic plan
o Communication plan
o Office support
o Systems design plan
___ seeks to alter radically the nature of the work done in a business function.
o Strategic planning
o Functional decomposition
o Systems analysis
o Business process reengineering
Systems analysis and design is, first and foremost, a ___ field grounded in time-tested and ___
evolving knowledge and techniques
o Theoretical, rapidly
o Theoretical, slowly
o Practical, rapidly
o Practical, slowly
___ is the process of specifying in detail how the many components of the information system
should be physically implemented.
o Systems design
o Systems analysis
o Automation
o Strategic planning
___ are strategies for completing specific system development activities
o techniques
o tools
o processes
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