Chapter 11

If "a is "a" structure" variable" and" p, "a "pointer, "is "a" member" of" the" structure, "what "will "the" following" statement" do? cout << *a.p;

A) "Output" the" dereferenced" value" pointed" to" by" p.

"Look"at"the"following"structure"declaration. struct Employee { string name; int idNum; }; In"this"declaration,"idNum is:

A)"a"member

8) "Members" of "a(n) "________ "union" have "names, "but" the" union "itself "has" no "name.

A)"anonymous

5)"When"a"structure"is"passed"________"to"a function,"its"members"are"not"copied.

A)"by"reference

14)"Before "a" structure" can" be" used," it "must" be" ________.

A)"declared

17)"A"function"________"return"a"structure.

A)"may

18)"A"structure"pointer"contains"________.

A)"the"address"of"a"structure"variable

24)"A good" reason "to "pass" a" structure "as "a "constant "reference" is "________.

A)"to "prevent "changes" to "the "structure "members

13) Data types that are created by the programmer are known as ________.

B) abstract data types (ADT)

If Circle is a structure tag, the statement: Circle doSomething(Circle c2) can be the header line for a function that ________.

B) takes a Circle structure as a parameter, does something, and returns a Circle structure

6)" Passing "a" structure" as "a "constant "reference "parameter" to" a" function" ________.

B)" guarantees not "to" result "in" changes" to" the" structure's "members

21) "A" structure" ________" contain" members" of "the" same" data" type.

B)"can

12)" If "an" anonymous" union" is "declared" globally "(outside" all" functions), "it" must "be "________.

B)"declared"static

If"Circle is"a"structure,"the"statement: Circle *pcirc = nullptr;

B)"declares"a"structure"pointer"called pcirc initialized"with"a"null"pointer

16)"This" allows "you" to "access" structure "members.

B)"dot"operator

Look"at"the"following"declaration. enum Tree { OAK, MAPLE, PINE }; What"is"the"value"of"the"following"relational"expression? OAK > PINE

B)"false

27)" With" an" enumerated "data "type, "the "enumerators" are" stored" in" memory" as" ________.

B)"integers

7) This is like a structure, except all members occupy the same memory area.

B)"union

"Look"at"the"following"structure"declaration. struct Employee { string name; int idNum; }; In"this"declaration,"Employee is:

C)"a"tag

Which of the following statements outputs the value of the gpa member"of"element"1"of"the" student array?

C)"cout << student[1].gpa;

26) A declaration for an enumerated type begins with the ________ key word.

C)"enum

3)" This "is" required "after "the "closing" brace "of "the" structure "declaration.

C)"semicolon

19)" To" dereference" a" structure "pointer, "the "appropriate" operator" is "________.

C)"the"structure"pointer"operator,"->

"Look"at"the"following"statement. bookList[2].publisher[3] = 't'; This"statement"________.

C)"will"store"the"character"'t' in"the"fourth"element"of"the"publisher member"of"booklist[2]

11) You may use a pointer to a structure as a ________.

D)"All"of"these

2)" Which" of" the "following" is "an "example" of "a "C++" primitive "data" type?

D)"All"of"these

10)" Which "of" the" following" assigns" a" value" to" the" hourlyWage member "of "employee[2]?

D)"employee[2].hourlyWage = 100.00;

"In "C++" 11" you" can" use" a" new type" of "enum, "known" as "a(n) "________, (also" known" as" an" enum class) "to "have "multiple" enumerators" with" the" same "name," within "the "same" scope.

D)"strongly"typed"enum

Look"at"the"following"declaration. enum Tree { OAK, MAPLE, PINE }; In"memory,"what"value"will"the"MAPLE enumerator"be"stored"as?

E)"1.0

15)"The" name" of" the" structure "is "referred "to "as" its" ________.

E)"None"of"these

"True/False:"" The" names "of "the "enumerators "in" an" enumerated" data" type" must "be" enclosed" in" quotation" marks.

FALSE

15)"True/False:" "A" union" can" only" have" one" member.

FALSE

18)"True/False:" "You" cannot" directly "assign" an" enumerator" to" an" int variable.

FALSE

6) True/False: A function cannot modify the members of a structure.

FALSE

True/False: It is possible to output the contents" of "all "members "of "a" structure" variable" using "a" cout << statement "followed" by" the" name" of "the" structure" variable

FALSE

"True/False: "When" you" use" a "strongly" typed" enumerator" in "C++" 11, "you" must "prefix "the" enumerator" with "the "name" of" the" enum, "followed" by "the" :: operator.

TRUE

"True/False:" "Any "mathematical" operations "that" can "be "performed" on "regular "C++" variables" can" be" performed" on" structure" members.

TRUE

"True/False:" "The" expression" *s->p; indicates" that" s is "a" structure "pointer" and" p, "which" is" also" a" pointer," is" a" member" of" the "structure" pointed" to" by" s.

TRUE

1)"True/False:"" A" struct can" contain" members "with" varying" data "types.

TRUE

11)"True/False:" "It" is" possible" for" a" structure "variable "to "be "a "member" of" another "structure "variable.

TRUE

13)"True/False:" "It" is" possible" for "a" structure" to" contain "as "a "member" a" pointer" to" its" own" structure" type.

TRUE

17)"True/False:" You" cannot" directly" assign" an" integer "value" to" an" enum variable.

TRUE

3)"True/False:" "Structure" variables" may "be" passed" as" arguments" to" functions.

TRUE

5)"True/False:""The"expression"s->m; indicates"that"s is"a"structure"pointer"and"m is"a"structure"member.

TRUE

8)"True/False:" "You" can" define" any" number "of" union" variables, "but "each "variable "can "only" store" the" value"

TRUE

True/False: An anonymous union declaration actually creates the member variables in memory.

TRUE

True/False: If a function is legally prototyped to return an integer value, it can return a structure member that is an integer data type.

TRUE

True/False: The structure pointer operator is used to dereference a pointer to"a"structure,"not"a"pointer" that"is"a"member"of"a"structure.

TRUE

True/False: When a programmer creates an abstract data type, he or she can decide what values are acceptable for the data type, as well as what operations may be performed on the data type.

TRUE

True/False:" "In "C++" 11, "if "you" want "to" retrieve" a "strongly "typed" enumerator's "underlying "integer" value," you" must "use" a" cast "operator.

TRUE

"This "describes "only" the" general "characteristics "of" an "object.

abstraction