hw1

Data flow

A ________ can be best understood as data in motion, moving from one place in a system to another. Group of answer choices Data flow Data source Data store Process

Level-n

A ________ diagram is a DFD that is generated from n nested decompositions from a level-0 diagram. Group of answer choices Level-1 Level-0 Level-2 Level-n

Level-0 diagram

A ________ is a DFD that represents a system's major processes, data flows, and data stores at a high level of detail. Group of answer choices Level-0 diagram Level-3 diagram Level-2 diagram Level-1 diagram

Deliverable

A ________ is an end product of an SDLC phase.

False *

A data flow diagram (DFD) is a picture of the movement of data between external entities and the processes and data stores within or outside a system. Group of answer choices True False

F

A data flow has multiple directions of flow between symbols. It may flow in both directions between a process and a data store to show a read before an update. True False

True

A data flow is data that move together, so it can be composed of many individual pieces of data that are generated at the same time and that flow together to common destinations. Group of answer choices True False

T *

A level-0 diagram represents the primary individual processes in the system at the highest possible level. Group of answer choices True False

False

A level-1 diagram is a DFD that represents a system's major processes, data flows, and data stores at a high level of detail. Group of answer choices True False

False

A source/sink does NOT consist of a person inside or outside the business unit supported by the system you are analyzing who interacts with the system. Group of answer choices True False

T *

According to the DFD guidelines, the inputs to a process are different from the outputs of that process. Group of answer choices True False

Reports from future organizational studies

All of the following are documents that are helpful in understanding future systems, except ________. Group of answer choices Business plans Job descriptions Reports from future organizational studies External correspondence

________ is NOT a skill pertaining to the customer relations activity of a project manage

Contact point for developers

True

Context DFD is one of the deliverables for process modeling. Group of answer choices True False

True

DFDs are not as good as flowcharts for depicting the details of physical systems; on the other hand, flowcharts are not very useful for depicting purely logical information flows. Group of answer choices True False

Physically oriented

Flowcharting has been criticized by proponents of structured analysis and design because it is too ________. Group of answer choices Methodological Physically oriented Geometrically oriented Diagrammatic

Impertinence *

If a systems analyst is questioning everything, they are showing the ________ characteristic. Group of answer choices Attention to details Impertinence Relax constraints Impartiality

False

The more complex organizational settings are for projects, the less time it takes for analysis because the company has more resources. Group of answer choices True False

False

There are two different standard sets of DFD symbols and each set consists of three symbols that represent the same things. Group of answer choices True False

Planning

What is the first phase of the SDLC method? Group of answer choices Planning Design Maintenance Analysis

Outsourcing

What is the practice of a company running a computer application for another organization?

A schedule of specific IS development projects *

What is the primary deliverable in the initial part of the planning phase? Group of answer choices To rank projects A schedule of specific IS development projects To determine costs A detailed project plan

The IS manager list

Which of the following factors does NOT have any influence on the selection of a potential project? Group of answer choices Complexity Duration Risk The IS manager list

It is not useful for project audits.

Which of the following is FALSE in the context of the project workbook?

Great at finances *

Which of the following is NOT a characteristic of good systems analyst? Group of answer choices Relax constraints Impertinence Great at finances Attention to detail

Offshore

Which of the following is NOT a major category of sources of software?

Systems analyst

Who has the primary responsibility for the design and analysis of information systems?

Systems analyst

Who is typically responsible for performing the PIP process? Group of answer choices The business unit Systems analyst Users Managers

4

With only ________ symbols, you can use DFDs to represent both physical and logical information systems. Group of answer choices Six Five Three Four

Enterprise-wide systems

________ are large, complex systems that consist of a series of independent system modules.

Inadequately decomposed diagrams

________ is/are NOT a deliverable for process modeling. Group of answer choices Inadequately decomposed diagrams Context DFD DFDs of the system Thorough descriptions of each DFD component

Turnkey systems

________ is/are off-the-shelf software systems that cannot be modified to meet the specific, individual needs of a particular organization.

Application software

________ would be classified as software designed to support the payroll function.