Itm 6015 Final Exam Practice

222 Questions | By Bz4934 | Updated: Mar 21, 2022 | Attempts: 423

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1.

Which of the following is a type of control that is used to ensure the development of a high quality, reliable information system?
- A.
  
  Methodology standards
- B.
  
  System testing
- C.
  
  System backup
- D.
  
  All of the above
2.

Why is it important for a system analyst to document formal as well as informal systems within an organization?
- A.
  
  Informal systems are always less efficient.
- B.
  
  The usage of an informal system by users means that the formal system is deficient in some way and users have designed ways to work around it.
- C.
  
  Informal systems require natural language processing, but formal systems do not.
- D.
  
  All of the above
3.

System testing only occurs when systems are initially developed.
- A.
  
  True
- B.
  
  False
4.

Which of the following elements usually includes subcomponents to filter, translate, store, and correct data that flows through it
- A.
  
  Component
- B.
  
  Environment
- C.
  
  Storage
- D.
  
  Interface
5.

Using a sales tracking system as an example, the customer orders and customer returns of goods are examples of which type of system components?
- A.
  
  Outputs
- B.
  
  Inputs
- C.
  
  Storage
- D.
  
  Memory
6.

Using a payroll system as an example, paychecks and W-2 forms are examples of which of the following system elements?
- A.
  
  Outputs
- B.
  
  Inputs
- C.
  
  Storage
- D.
  
  Memory
7.

In basic systems terminology, the process of breaking down a system into successive levels of subsystems is called:
- A.
  
  Functional analysis.
- B.
  
  Factoring.
- C.
  
  Interfacing.
- D.
  
  Hierarchical decomposition.
8.

A numerical digit based on the other digits within a numerical identifier is referred to as a:
- A.
  
  ITIL rule.
- B.
  
  Check digit.
- C.
  
  Lottery number.
- D.
  
  None of the above
9.

Which of the following is an example of a goal of hierarchical decomposition?
- A.
  
  To take advantage of the simplicity of a system
- B.
  
  To analyze or change only part of the system
- C.
  
  To design and build each subsystem at the same time
- D.
  
  To increase the interdependence of the system components
10.

Which of the following is not an example of a principal method for system decoupling?
- A.
  
  Slack resources to provide alternative paths
- B.
  
  Usage of standards
- C.
  
  Sharing data stores
- D.
  
  Benchmarking
11.

A physical system description depicts ________ the system operators, while a logical system description depicts ________ the system does.
- A.
  
  How; what
- B.
  
  How; why
- C.
  
  What; how
- D.
  
  Why; what
12.

Which of the following system descriptions depicts the function and purpose (the what) of the system without reference to, or implications for, the actual way in which the system will be implemented?
- A.
  
  Functional system description
- B.
  
  Logical system description
- C.
  
  Physical system description
- D.
  
  Network system description
13.

Which is a basic principle of business process reengineering (BPR) suggested by Hammer ?
- A.
  
  Integrating information processing into the work that produces the information
- B.
  
  Building reengineering efforts around legacy systems
- C.
  
  Developing parallel processes for redundancy
- D.
  
  Escalating decision-making up an organizational hierarchy
14.

As defined in the textbook, the generic systems development life cycle consists of the following three phases:
- A.
  
  Requirements, design, and implementation.
- B.
  
  Definition, construction, and implementation.
- C.
  
  Specifications, development, and installation.
- D.
  
  Feasibility analysis, testing, and maintenance.
15.

Which of the following best describes the definition phase of the systems life cycle?
- A.
  
  The system is functionally designed, and then its physical design is specified.
- B.
  
  The new system is installed.
- C.
  
  Business and systems professionals document systems needs and feasibility.
- D.
  
  Data and procedures from the old system are converted.
16.

Which of the following best describes the construction phase of the systems life cycle?
- A.
  
  The system is functionally designed, and then its physical design is specified.
- B.
  
  The new system is installed.
- C.
  
  Business and systems professionals document systems needs and feasibility.
- D.
  
  Data and procedures from the old system are converted.
17.

Which of the following describes an early step in the implementation phase of the systems life cycle?
- A.
  
  The system is detailed functionally, and then its physical design is specified.
- B.
  
  Programs and computer files are designed.
- C.
  
  Operational feasibility is conducted.
- D.
  
  Data and procedures from the old system are converted.
18.

Procedural-oriented approaches to systems design first involve the:
- A.
  
  Logical To-Be model.
- B.
  
  As-Is model.
- C.
  
  Physical To-Be model.
- D.
  
  Want-To-Be model.
19.

When a physical model of a system is depicted with a diagram, cylinders are used to represent:
- A.
  
  Major modules.
- B.
  
  Databases.
- C.
  
  Data flows.
- D.
  
  Processes.
20.

Which of the following technique is most closely associated with the Logical To-Be model?
- A.
  
  Work process flow diagram
- B.
  
  Context diagram
- C.
  
  Data flow diagram
- D.
  
  Swimming lane diagram
21.

Which of the following is not graphically represented in a data flow diagram (DFD)?
- A.
  
  Sender
- B.
  
  Process
- C.
  
  Data flow
- D.
  
  Data store
22.

When developing a logical data flow diagram, a circle indicates:
- A.
  
  An element in the environment of the system that sends or receives data.
- B.
  
  Data in motion.
- C.
  
  Data at rest.
- D.
  
  A process component.
23.

When developing a logical data flow diagram, a rectangle (or open rectangle) indicates:
- A.
  
  Data at rest.
- B.
  
  Data in motion.
- C.
  
  An element in the evironment of the system that sends or receives data.
- D.
  
  A process component.
24.

The most common approach to defining data elements in a DFD is to create a(n):
- A.
  
  Data at rest.
- B.
  
  Data dictionary/directory.
- C.
  
  Process.
- D.
  
  External entity.
25.

All of the following are tools for representing the Logical To-Be model of an information system except a(n):
- A.
  
  Program chart.
- B.
  
  Data dictionary.
- C.
  
  Entity-relationship diagram.
- D.
  
  Data flow diagram.