Deck 7: Arrays

Question 1

Each item in an array is called a(n) ____ or component of the array.

A) element
B) object
C) instance
D) list

Answer 1

A

Question 2

Each individual array element is referred to as an indexed variable or a(n) ____ variable.

A) scalar
B) subscripted
C) static
D) array

Answer 2

B

Question 3

A string is any sequence of characters enclosed in ____.

A) asterisks
B) single quotation marks
C) parentheses
D) double quotation marks

Answer 3

D

Question 4

Array elements can be initialized in their declaration statements in the same manner as scalar variables, except that the initializing elements must be included in braces.

Question 5

A(n) ____ array consists of both rows and columns of elements.

A) one-dimensional
B) two-dimensional
C) single-dimensional
D) simple-dimensional

Question 6

The escape sequence \0 is called the ____ character.

A) null
B) newline
C) tab
D) zero

Question 7

Using a subscript that references a nonexistent array element will always be detected by all C++ compilers.

Question 8

The element s index or ____ value gives the element s position in the array.

A) id
B) scale
C) subscript
D) reference

Question 9

A(n) ____ is a list of related values, all having the same data type, that s stored with a single group name.

A) static variable
B) one-dimensional array
C) atomic variable
D) instance variable

Question 10

It is generally advisable to use the size of the array in a function header line.

Question 11

C++ allows up to two dimensions to be declared for arrays.

Question 12

Arrays are extremely useful in any application that requires multiple passes through the same set of data elements.

Question 13

Only integer constants can be used as array subscripts.

Question 14

A two-dimensional array is sometimes referred to as a table.

Question 15

A one-dimensional array is also referred to as a single-dimensional array.

Question 16

A(n) ____ check is a check of the value of the index being used.

A) index
B) bounds
C) object
D) reference

Question 17

Two-dimensional array variables can be used anywhere that scalar variables are valid.

Question 18

A(n) ____ variable is one whose value can t be further subdivided or separated into a legitimate data type.

A) indexed
B) array
C) grade
D) scalar

Question 19

A(n) ____ type is any type whose values can be decomposed and are related by some defined structure.

A) scalar
B) static
C) aggregate
D) atomic

Question 20

Forgetting to declare an array is a common programming error.

Question 21

A(n) ____ is the data structure of first choice when you have a list of primitive data types or objects that can be grouped as an array but must be expanded or contracted.

A) array
B) vector
C) object
D) class

Question 22

____ are used to specify which elements in a container are to be operated on when an algorithm is called.

A) Iterators
B) Walkers
C) Sequencers
D) Indexers

Question 23

For a one-dimensional array, the first element has an index of ____________________.

Question 24

The STL algorithm ____ removes duplicate adjacent elements in a specified range.

A) duplicate
B) delete
C) unique
D) remove

Question 25

Good programming practice requires defining the number-of-items in the array as a(n) ____________________ before declaring the array.

Question 26

The ____ header is required to create one or more vector objects.

A) < string >
B) < iostream >
C) < algorithm >
D) < vector >

Question 27

The STL algorithm ____ assigns every element in a specified range to a specified value.

A) equal
B) fill
C) find
D) unique

Question 28

The STL ____ function returns a value corresponding to the start of the vector.

A) begin()
B) end()
C) rear()
D) last()

Question 29

To meet the need of providing a tested and generic set of data structures that can be modified, expanded, and contracted, C++ includes a useful set of classes in its ____.

A) Standard Array Library
B) Standard Template Library
C) Standard Data Structure Library
D) Data Structure Library

Question 30

The STL algorithm ____ copies elements from a source range to a destination range.

A) copy
B) copy_backward
C) copy_forward
D) replace

Question 31

Internally, the computer uses the ___________________ as an offset from the array s starting position.

Question 32

In C++, a two-dimensional array is initialized in ____ order.

A) vector
B) linear
C) row
D) column

Question 33

The STL algorithm ____ returns the sum of the numbers in a specified range.

A) count
B) sum
C) max
D) accumulate

Question 34

The STL algorithm ____ randomly shuffles element values in a specified range.

A) random
B) rnd_shuffle
C) shuffle
D) random_shuffle

Question 35

Individual array elements can be displayed using the ___________________ object.

Question 36

____ loops are especially useful when dealing with two-dimensional arrays because they allow the programmer to designate and cycle through each element easily.

A) Nested
B) Single
C) Simple
D) Conditional

Question 37

The ____________________ of an array may be omitted when initializing values in the declaration statement.

Question 38

Conceptually, a ____-dimensional array can be viewed as a book of data tables.

A) one
B) two
C) three
D) four

Question 39

Each STL class is coded as a template that permits the constructing a generic data structure, referred to as a(n) ____.

A) container
B) object
C) structure
D) array

Question 40

Many compilers automatically set all elements of integer and real value arrays to ____.

A) -100
B) -10
C) -1
D) 0

Question 41

____________________ classes and algorithms provide verified and reliable code that can shorten program development time.

Question 42

Generic STL functions are referred to in the STL as ____________________.

Question 43

The statement char code 6 26 ; declares an array code consisting of ____________________ rows.

Question 44

Array elements are passed to a called function in the same manner as __________________ variables.

Question 45

The C++ vector class function ___________________ appends an element at the end of the vector .

Question 46

The header is required to create and use an STL sort algorithm.

Question 47

A(n) ____________________ is the data structure of choice when you have a list of primitive data types or objects that don t have to be expanded or contracted.

Question 48

A vector is similar to an array in that it stores elements that can be accessed using an integer index that starts at ___________________.

Question 49

The value of using a(n) ___________________ search algorithm is that the number of elements that must be searched is cut in half on each iteration of the algorithm.

Question 50

The functions begin() and end() are known as STL____________________ functions.