week 1,2 Flashcards
What type of Information System is an Analytical Modelling System?
Decision support system
What type of Information System is an Order processing System?
Transaction processing System
What type of Information System is an Accounting processing System ?
Transaction processing system
What are five components of an Information system ?
People, hardware, software, data and procedures
_________ refers to the combination of hardware, software, and services that people use to manage, communicate, and share information.
Information technology
“A system is an organised, purposeful structure that consists of the interrelated components influencing one another in order to achieve the _______ of the system.”
What is the missing word from this definition?
goal
Those things that are not part of the system in question, but lie outside it, is usually called _______________.
environment
Knowledge management systems use a large database called a (an) ____ that allows users to find information by entering keywords or questions in normal English phrases.
knowledge base
In a typical company organisational model, middle managers ____.
. provide direction, necessary resources, and performance feedback to supervisors and team leaders
Which one of the following is NOT an information system ?
operating system
In a typical company organizational model, top managers ____.
develop long-range plans, called strategic plans, which define the company’s overall mission and goals
Transaction processing (TP) systems ____.
process data generated by day-to-day business operations
User productivity systems ____.
include e-mail, voice mail, fax, video and Web conferencing, word processing, automated calendars, database management, spreadsheets, desktop publishing, presentation graphics, company intranets, and integrated mobile computing systems
In the video, the presenter mentions 4 functions of an information system. Which one is NOT one of the four?
calculate
In the video, the presenter mentions the amount of data generated. What is it?
2.5 quintillion bytes
____ is a systems development technique that produces a graphical representation of a concept or process that systems developers can analyse, test, and modify.
Modelling
____ is a systems development technique that tests system concepts and provides an opportunity to examine input, output, and user interfaces before final decisions are made.
Prototyping
____ development includes the latest trends in software development.
Agile
Agile methods typically use a (an) ____model, which represents a series of iterations based on user feedback.
spiral
In the ____, the result of each phase, which is called a deliverable or end product, flows sequentially into the next phase in the SDLC.
waterfall approach
A collection of guidelines that help with an activity or task is called a ____________.
technique
The approach to systems development that completes one phase before beginning the next phase is called ___________.
. Waterfall
The approach that provides the greatest flexibility is called ________________
Agile
A ____, or requirements model, describes the information that a system must provide
business model
A (an) ____ shows the data that flows in and out of system processes.
process model
The person who tests applications is most likely engaged in ______________>
Quality Assurance
If you get a job in user support you are most likely to be doing which one of the following?
training users
One of the main activities in the systems analysis phase is ____________ modelling, which involves fact-finding to describe the current system and identification requirements for the new system.
requirements
During the ____, the IT staff maintains, enhances, and protects the system.
. systems support and security phase
The _____________ phase of the SDLC includes four main activities: requirements modelling, data and process modelling, object modelling and consideration of development strategies.
systems analysis
During the ____, the new system is constructed.
systems development phase
Determining the project ___________ means to define the boundaries, or extent, of a project - being as specific as possible.
. scope
The purpose of the ____ is to create a physical model that will satisfy all documented requirements for the system.
systems design phase
The purpose of the ____ is to build a logical model of the new system.
systems analysis phase
The ____ usually begins with a formal request to the IT department, called a systems request, which describes the needs of a new information system or a business process.
systems planning phase
