Deck 8: Using Arrays and File Handling

Question 1

The elements in a string type array will be initialized to ____.​

A)​""
B)​Null
C)​" "
D)​0

Answer 1

B

Question 2

Select the correct syntax to declare an array named intReservations with 10 Integer elements.​

A)​Dim intReservations(9)as Integer
B)​Dim intReservations(10)as Integer
C)​Dim intReservations[9] as Integer
D)​Dim intReservations[10] as Integer

Answer 2

A

Question 3

The ____ property of an array contains the number of elements in an array.​

A)​Number
B)​Length
C)​Value
D)​Dimension

Answer 3

B

Question 4

The ____ loop can be used to process each element of an array.​

A)​For Element
B)​For Array
C)​For Each
D)​For Value

Question 5

The word ____ is used to declare an array.​

A)​DimArray
B)​Array
C)​InitArray
D)​Dim

Question 6

The elements in an integer type array will be initialized to ____.​

A)​-1
B)​1
C)​Null
D)​0

Question 7

Each ____ in an array contains a value.​

A)​index
B)​script
C)​element
D)​keyset

Question 8

A(n)____ variable is a variable that can store more than one value.​

A)​indexed
B)​array
C)​scripted
D)​evaluated

Question 9

Arrays provide access to data by using a numeric ____ to identify the desired element.​

A)​atom
B)​index
C)​icon
D)​prefix

Question 10

The ____ statement is used to assign a new array to the specified array variable.​

A)​ChangeSize
B)​ReDim
C)​ArraySize
D)​NumElem

Question 11

____ is an accounting term used to describe the decline in a physical asset's value over a certain period of time.​

A)​Concatenation
B)​Assignation
C)​Remediation
D)​Depreciation

Question 12

The ____ keyword is used to change the number of elements in an array.​

A)​ReBound
B)​ReSize
C)​ReDim
D)​ReInit

Question 13

​
As shown in the accompanying figure,the ____ keyword will save existing data when resizing an array to a larger size.​

A)​Preserve
B)​Dim
C)​As
D)​ReDim

Question 14

Arrays that are ____ can be resized at run time.​

A)​static
B)​noninteractive
C)​dynamic
D)​parallel

Question 15

____ arrays store related data in two or more arrays.​

A)​Parallel
B)​Concatenated
C)​Evaluated
D)​Remediated

Question 16

To access the 9th element in an array the ____ index is used.​

A)​(9)
B)​[9]
C)​(8)
D)​[8]

Question 17

An array can be passed as an argument to a(n)____ procedure.​

A)​Baseline
B)​Order
C)​Sort
D)​Function

Question 18

If an element is referenced using an index that is not in the bounds of the array,a(n)____ error occurs.​

A)​IndexOutOfBoundsException
B)​IndexOutOfRangeException
C)​IndexInvalidException
D)​InvalidIndexException

Question 19

____ sized arrays are not initialized with a set size,but instead are sized at execution to accommodate the listed values.​

A)​Statically
B)​Baseline
C)​Standard
D)​Implicitly

Question 20

The ____ loop stops when the loop has processed every element in an array.​

A)​For Next
B)​Array Loop
C)​For Each
D)​Array Vals

Question 21

The ____ object is used to write text to a text file.​

A)​TextSave
B)​StreamSave
C)​Streamer
D)​StreamWriter

Question 22

The ____method repeatedly divides the search interval of an array in half to reduce searching time dramatically.​

A)​HexSearch
B)​BinarySearch
C)​DecimalSearch
D)​UnarySearch

Question 23

A ____ search of an array starts at the beginning of the array and inspects each element until a match is found.​

A)​sequential
B)​decimal
C)​matching
D)​hexadecimal

Question 24

Every application begins executing a project by displaying the object designated as the ____ object.​

A)​Initial
B)​Startup
C)​Primary
D)​Main

Question 25

The array ____ procedure is used to organize elements in an array according to their values.​

A)​Organize
B)​Order
C)​Arrange
D)​Sort

Question 26

The ____ procedure takes a form out of view.​

A)​Remove
B)​Minimize
C)​Hide
D)​Vanish

Question 27

The ____ object is used to access information in a text file.​

A)​Reader
B)​TextReader
C)​Streamer
D)​StreamReader

Question 28

In applications that include multiple forms,it is best to declare every variable as a ____ variable unless the variable is used in multiple Form objects.​

A)​Private
B)​Hidden
C)​Locked
D)​Unique

Question 29

Text data can be stored in a(n)____ file.​

A)​sequential
B)​dynamic
C)​archival
D)​encoded

Question 30

​The ____ method of a StreamReader object should be used to read the next character in a file without changing position in the file.

A)​CheckNext
B)​Peek
C)​PeekNext
D)​TestNext

Question 31

A ____ form retains the input focus while open so that the user cannot switch between Form objects until the first form is closed.​

A)​modal
B)​modeless
C)​focused
D)​forced

Question 32

In Visual Basic,an array can have up to ____ dimensions.​

A)4
B)​16
C)​32
D)​64

Question 33

To apply the sort procedure to an array called intAges,use the syntax ____.​

A)​Sort(intAges)
B)​Sort.Array(.intAges)
C)​ArraySort(intAges)
D)​Array.Sort(intAges)

Question 34

The ____ file extension indicates a text file.​

A)​.txt
B)​.tex
C)​.txf
D)​.stf

Question 35

A simple text file is called a ____ file.​

A)​sequential
B)​binary
C)hexadecimal​
D)​unary

Question 36

To store the values contained in a table,you would use a ____ array.​

A)​parallel
B)​grid
C)​two-dimensional
D)​three-dimensional

Question 37

A(n)____ form allows users to switch to other forms within the application while it is open.​

A)​modal
B)​modeless
C)​unfocused
D)​forced

Question 38

An array with two index values for each element is a(n)____ array.​

A)​multi-index
B)​evaluated
C)​two-dimensional
D)​dynamic

Question 39

Command lines placed after the ____ method call are not executed until the second Form object is closed.​

A)​ShowModal
B)​ShowDialog
C)​OpenModal
D)​ShowModeless

Question 40

The BinarySearch procedure returns ____ if the desired value is found in the array.​

A)​the element's value
B)​the matching index value
C)​1
D)​-1

Question 41

An array variable can store more than five values at a time._________________________​

Question 42

You cannot sort arrays in reverse alphabetical order.​

Question 43

A sequential search is the most efficient way of searching for an element.​

Question 44

When passing an array ByVal to a ____ procedure,the original array may be changed by the procedure.​

A)​Sort
B)​Function
C)​Sub
D)​Baseline

Question 45

When declaring an implicitly sized array,declaring a(n)upper-bound index will cause an error to occur._________________________​

Question 46

The ReDim statement can be used to change the size of an array.​

Question 47

When using a For Each loop to process each element in an array,you must specify the number of iterations for the loop.​

Question 48

The term parallel array has the same meaning as the term two-dimensional array.​

Question 49

You cannot return an array from a function.​

Question 50

The access ____ determines what code has permission to read or write to the variable.​

A)​level
B)​index
C)​key
D)​specifier

Question 51

An array subscript cannot be less than 1._________________________​

Question 52

As with other variables,an array declared as a class-level variable is visible to all procedures within the class.​

Question 53

​An array element is accessed by using the array name and the element's ____.

A)​superscript
B)​index
C)​subscript
D)​keyset

Question 54

When an array is initialized but do not assign values immediately,no default values are automatically assigned to the elements.​

Question 55

All Visual Basic arrays are considered static arrays._________________________​

Question 56

An array can hold ____ data type values.​

A)​numeric
B)Boolean​
C)​string
D)​loop

Question 57

A nested loop can be used to process all of the elements in a(n)implicit array._________________________​

Question 58

The Length property returns the highest index element in the array.​

Question 59

When using the Preserve keyword to redimension an array to a smaller size,a separate array of elements will be made to store the values that were truncated from the end of the array.​

Question 60

When an array is declared,the numeric value specified in parentheses is the ____.​

A)​highest numbered index of the array
B)​upperbound index
C)​subscript
D)​depreciation value

Question 61

The Hide procedure of a Form object removes the form from view.​

Question 62

An access specifier determines the availability of a variable to other parts of the application.​

Question 63

A variable's access specifier determines what other forms may access it.​

Question 64

An application can only contain one Windows Form object.​

Question 65

The array procedure ____________________ arranges the elements in an array from the smallest value to the largest.​

Question 66

In applications that include multiple forms,it is best to declare as few Private variables as possible.​

Question 67

An instance is a special type of form that can be loaded with another form still showing.​

Question 68

Modeless forms are used more often than modal forms in Windows applications.​

Question 69

The ____________________ object is used to read text from a file into the program.​

Question 70

When a form is loaded as modeless,other forms in the application can be accessed by the user.​

Question 71

By using the Public Common access specifier,the variable's values are shared across all objects within an application.​

Question 72

A simple text file is called a(n)____________________ file.​

Question 73

When a form is displayed as modal,no other forms in the application can be accessed by the user until the form is closed.​

Question 74

The ShowDialog procedure of a Form object loads a form as modal.​

Question 75

The Show procedure of a Form object loads a form as modal.​

Question 76

Command lines placed after the ShowDialog method call are not executed until the second Form object is closed.​

Question 77

Objects on a form cannot be referenced from any other form.​

Question 78

The ____________________ keyword is used to keep the existing data inside an array when the array is resized to a larger size.​

Question 79

The Peek procedure of a StreamReader object will return -1 when the end of the file has been reached.​

Question 80

An array with two subscripts for each element is a(n)____________________ array.​