it mangaement 4-6
what is a single characteristic or fact about an entity, the smallest piece of data that has meaning within an information system?
An attribute
Define an object in an information system and provide three examples?
An object represents a real person, place, event, or transaction. Examples: Car, House, Student.
what is a task that an object performs?
Method
what is a concept used in software development, product design, and other fields to describe how a
system can be used to achieve specific goals or tasks?
use case
why It is important to use a modeling tool and not just a diagramming tool during 0-0 analysis because modeling tools, such as CASE?
to provide an overall framework for system documentation.
A method is an adjective that describes the object's current status?
(true or false?)
false
A class diagram resembles a horizontal flowchart that shows the actions and events as they occur?
(true or false)
false
Use cases cannot interact with other use cases?
(true or false)
false
In a class diagram, each class appears as a(n) what with the class name at
the top, followed by the class's attributes and
methods?
rectangle
In an object-oriented system, objects can do what with certain attributes from
other objects?
inherit
The what of an object is an adjective that describes the object's current status?
state
A (n) what
resembles a
verb and defines
specific tasks that an object can perform?
method
what shows how an object changes from one state to another, depending on events that affect the object?
A state transition diagram
The specific attribute that a bank account object can have, which can be active, inactive, closed, or frozen, is called its?
status
An object, such as a bank account, can have a specific attribute called a(n) what that can be active, inactive, closed, or frozen?
state
two or more what depend on a predecessor task?
concurrent tasks
When a project manager first recognizes that a project is in trouble, one of the options available to the manager includes ?
delaying the project deadline
In addition to tasks, every project has events, or milestones?
(true or false)
true
Henry L. Gantt developed
Gantt charts almost 100 years ago?
(true or false)
true
Weight is an importance value that is added to each duration estimate?
(true or false)
true
A project manager should never develop time and cost estimates based on the resources used for previously developed information systems?
(true or false)
false
A what displays the same information as the Gantt chart, including task dependencies, but uses task boxes to include much more detail?
network diagram
A condition, restriction, or requirement that a system must satisfy?
Constraint
Which of these has an onboard key generator and key storage facility, as well as accelerated symmetric and asymmetric encryption, and can back up sensitive material in encrypted form?
Hardware Security Module (HSM)