Quiz 2

Question 1

Quiz 2

An array index store normally should be of type Double.

A) True
B) False

Answer 1

B) False

Question 2

Quiz 2

Arrays that use two indices are referred to as __________ arrays.

A) single-subscripted
B) two-dimensional
C) double
D) one-dimensional

Answer 2

B) two-dimensional

Question 3

Quiz 2

ComboBox property ____________ is 0 when the first ComboBox item is selected.

A) SelectedIndex
B) SElectedValue
C) Index
D) SelectedNumber

Answer 3

A) SelectedIndex

Question 4

Quiz 2

Which method call sorts array words in ascending order?

A) Array.Sort(words)
B) words.SortArray()
C) Array.Sort(words,1)
D) Sort(words)

Answer 4

A) Array.Sort(words)

Question 5

The initializer list can ___________.

A) be used to determine the size of the array.
B) be empty
C) contain a comma separated list of initial values for the array elements.
D) all of the above

Answer 5

D) all of the above

Question 6

Quiz 2

The __________ property is set to True when a RadioButton is selected.

A) Selected
B) Chosen
C) On
D) Checked

Answer 6

D) Checked

Question 7

Quiz 2

Which of the following creates an Integer array of five rows and three colums?

A) Dim values(5.3) As Integer
B) Dim values(4,2) As Integer
C) Dim values(4,3) As Integer
D) Dim values(5,2) As Integer

Answer 7

B) Dim values(4,2) As Integer

Question 8

Quiz 2

The ComboBox control combines a TextBox control with a _______ control.

A) DateTimePicker
B) ListBox
C) NumericUpWown
D) Label

Answer 8

B) ListBox

Question 9

Quiz 2

Which of the following statements creates Integer array values with three rows and three columns?

A) Dim array()() As Integer = {1,2,3},{4,5,6},{7,8,9}
B) Dim array() As Integer = {1,2,3},{4,5,6},{7,8,9}
C) Dim array(,) As Integer = {1,2,3},{4,5,6},{7,8,9}
D) All of the above

Answer 9

C) Dim array(,) As Integer = {1,2,3},{4,5,6},{7,8,9}

Question 10

Quiz 2

Method GetUpperBound returns the highest numbered index in an array.

A) True
B) False

Answer 10

A) True

Question 11

Quiz 2

The ____________ property determines whether a RadioButton is selected.

A) Selected
B) Clicked
C) Checked
D) Enabled

Answer 11

C) Checked

Question 12

Quiz 2

An array’s elements are related by the act that they have the same name and _________.

A) constant value
B) subscript
C) type
D) value

Answer 12

C) type

Question 13

Quiz 2

Typically, ____________ statements are used to iterate over each element in a two-dimensional array.

A) Do While…Loop
B) nested For…Next
C) Do…Loop
D) nested Do…Loop While

Answer 13

B) nested For…Next

Question 14

Quiz 2

Method _________ returns an array’s highest index.

A) GetUpperBound
B) GetUpperLimit
C) GetHighestIndex
D) GeUpperSubscript

Answer 14

A) GetUpperBound

Question 15

Quiz 2

An array length is ___________.

A) one more than the array’s last index
B) one less than the arry’s last index
C) the same as the arry’s ndex
D) returned by method DetUpperBound

Answer 15

A) one more than the array’s last index

Question 16

Quiz 2

To determine the number of elements in an array, use the NumberOfElements property

A) True
B) False

Answer 16

B) False

Question 17

Quiz 2

Two-dimensional arrays are often used to represent ____________.

A) a pie chart
B) distances
C) lines
D) Tabels

Answer 17

D) Tabels

Question 18

Quiz 2

When declaring an array, a(n) _________ is required inside parentheses in order to indicate that the array is two-dimensional.

A) comma
B) astrisk
C) period
D) apostrophe

Answer 18

A) comma

Question 19

Quiz 2

Property __________ contains the size of an array.

A) Elements
B) ArraySize
C) Length
D) Size

Answer 19

C) Length

Question 20

Quiz 2

The linear search works well for unsorted arrays.

A) True
B) False

Answer 20

A) True

Question 21

Quiz 2

The ________ event handler is invoked when the user selects a Radio button.

A) Selected
B) CheckedChanged
C) ButtonChanged
D) CheckedSelected

Answer 21

B) CheckedChanged

Question 22

Quiz 2

The first element in every array is the _________.

A) subscript
B) zeroth element
C) length of the array
D) smallest value in the array

Answer 22

B) zeroth element

Question 23

Quiz 2

When one RadioButton in a container is seleceted, _________.

A) other can be selected at the same time
B) a logic error will occur
C) all others will be deselected
D) Both 1 an 2

Answer 23

C) all others will be deselected

Question 24

Quiz 2

In a __________ array each row contains the same number of columns.

A) data
B) rectangular
C) tabular
D) All of the above

Answer 24

B) rectangular

Question 25

Quiz 2

Use a ___________ to group of RadioButtons on a Form.

A) GroupBox control
B) ComboBox control
C) ListBox control
D) None of the above

Answer 25

D) None of the above

Question 26

Quiz 2

The indexed array name of one-dimensional array units’s element 2 is ___________.

A) units{2}
B) units(2)
C) units[0,2]
D) units[2]

Answer 26

B) units(2)

Question 27

Quiz 2

The ___________ event is raised when a RadioButton is either selected or deselected.

A) checkedChanged
B) Changed
C) SelectedChanged
D) None of the above

Answer 27

A) checkedChanged

Question 28

Quiz 2

The number that refers to a particular element of an array is called its __________.

A) value
B) size
C) indexed array name
D) index (or subscript)

Answer 28

D) index (or subscript)

Question 29

Quiz 2

The expression _______ creates an Integer array of two rows and five columns.

A) Dim a(2,5) As Integer
B) Dim a(1,5) As Integer
C) Dim a(1,4) As Integer
D) Dim a(2,4) As Integer

Answer 29

C) Dim a(1,4) As Integer

Question 30

Quiz 2

In an m-by-n array, the m stands for __________.

A) the number of columns in the array
B) the total numer of array elements
C) the number of rows in the array
D) the number of elements in each row

Answer 30

C) the number of rows in the array

Question 31

Quiz 2

Which of the following sotrs array averageRainfall?

A) Array(averageRainfall).Sort()
B) Sort.Array(averageRainfall)
C) Sort(averageRainfall)
D) Array.Sort(averageRainfall)

Answer 31

D) Array.Sort(averageRainfall)

Question 32

Quiz 2

Property ___________ specifies the source of the data displayed in a ComboBox.

A) ComboData
B) Source
C) DataList
D) DataSource

Answer 32

D) DataSource

Question 33

Quiz 2

An array can store many different types of values

A) True
B) False

Answer 33

B) False

Question 34

Quiz 2

The process of ordering the elements of an array is called ___________ the array.

A) allocating
B) sorting
C) declaring
D) initializing

Answer 34

B) sorting

Question 35

Quiz 2

Arrays can be declared to hold values of _____.

A) type Double
B) type Integer
C) type String
D) any data type

Answer 35

D) any data type