(0 0% out of 29 correct)
Responses to questions are indicated by the
1.
symbol.
In terms of levels of abstraction,
which of the following is at the
lowest level relative to the rest?
A. syste
m
B. partition/package
C. library
D. class/object
E. method
See pages 319-320
2.
_____ means having the ability to
send the same message to
different objects, which can be
interpreted differently by different
objects.
encapsula
A.
tion
polymorphism
B.
C. inheritance
D. specialization
E. subjectivity
See pages 321-322
3.
In order to get an object to
perform a method, a _____
is sent to the object.
A. contra
ct
trigger
B.
C. command
D. message
E. call
See page 320
4.
_____ refers to the level of
interdependency or
interrelationship among the
modules in a system.
A. couplin
g
cohesion
B.
C. connascence
D. multiple inheritance
E. single inheritance
See page 325
5.
A class/object should only
represent one thing, and a method
should only solve a single task.
This principle is often referred to
as _____.
A. couplin
g
cohesion
B.
C. connascence
D. multiple inheritance
E. none of the above
See page 328
6.
What are the two types
of coupling in objectoriented systems?
interaction,
A.
data
B. data, inheritance
C. data, stamp
D. interaction, inheritance
E. data, common
See page 325
7.
When a method of one object
refers to the inside hidden parts of
another object, these methods are
exhibiting _____ coupling.
private
A.
data
friendship
B.
C. encapulation
D. common or global
E. content or pathological
See page 326
8.
Object-oriented systems have
three general types of cohesion:
_____, _____, and _____.
method, class,
A.
inheritance
method, generalization/specialization, inheritance
B.
C. generalization/specialization, class, object
D. method, class, generalization/specialization
E. functional, sequential, procedural
See page 328
9.
A class has an attribute in which a
range of values has a semantic
meaning. This class has _____
connascence.
A. Name
B. Type or Class
C. Convention
D. Algorithm
E. Position
See pages 331-332
10.
Fan-out refers to _____.
the number of
A.
attributes a class has
B. the number of messages sent by a method
C. the number of times a message is sent by a method
D. the number of times an attribute is passed from a class
E. the number of instances of a class at run time
See page 338
11.
Dynamic binding is the
mechanism that combines the
processes and into data a single
object.
A. True
B. False
See page 321
12.
Superclasses inherit the
appropriate attributes and
methods from their subclasses
below them.
A. True
B. False
See page 322
13.
It is possible for a subclass
to inherit from more than
one superclass.
A. True
B. False
See page 324
14.
C++ forces programmers to
write code with good levels of
interaction coupling.
A. True
B. False
See pages 325-326
15.
High levels of inheritance
coupling in a system are
always good and desirable.
A. True
B. False
See page 326
16.
Contracts document the
message passing that takes
place between objects.
A. True
B. False
See page 346
17.
A For statement
simply performs
some action.
A. True
B. False
See page 350
18.
Functional method
cohesion is the best
type of method cohesion.
A. True
B. False
See page 329
19.
The worst type of method
cohesion is Functional
method cohesion.
A. True
B. False
See page 329
20.
A method that combines two
functions that use the same
attributes to execute exhibits
Coincidental cohesion, and this
type of cohesion is desirable.
A. True
B. False
See page 329
21.
A method that performs multiple
functions that are unrelated to one
another exhibits Coincidental
cohesion, and this type of
cohesion is undesirable.
A. True
B. False
See page 329
22.
Class cohesion addresses
the sensibility of the
inheritance hierarchy.
A. True
B. False
See page 330
23.
Generalization/specialization
cohesion addresses the sensibility
of the inheritance hierarchy.
A. True
B. False
See page 330
24.
You should try to minimize the
cohesion within an encapsulation
boundary and maximize the
coupling between the
encapsulation boundaries.
A. True
B. False
See pages 331
25.
A self-contained, encapsulated
piece of software that can be
plugged into a system is often
referred to as a design a pattern.
A. True
B. False
See page 333
26.
A pre-condition is a constraint
that must always be true for all
instances of a class.
A. True
B. False
See page 343
27.
Items that trigger the
functionality of the
program are known as
events.
A. True
B. False
See page 349
28.
Written documents that include
explicit instructions on how to
write the code to implement the
method are known as pseudocode.
A. True
B. False
See pages 343 and 347
29.
An If statement in Structured
English specifies some action
to be performed.
A. True
B. False
See page 349
Retake Test