Deck 8: Using Arrays and File Handling

Question 1

Each ____ in an array contains a value.

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

Answer 1

C

Question 2

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

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

Answer 2

B

Question 3

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

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

Answer 3

D

Question 4

____ 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 5

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

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

Question 6

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

A) −1
B) 1
C) Null
D) 0

Question 7

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 8

____ 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 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 assigns a new array size to the specified array variable.

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

Question 11

____ arrays store related data in two or more arrays.

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

Question 12

Arrays that are ____ can be resized at run time.

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

Question 13

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

A) ""
B) Null
C) " "
D) 0

Question 14

To access the ninth element in an array, the ____ index is used.

A) (9)
B) [9]
C) (8)
D) [8]

Question 15

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

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

Question 16

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 17

The ____ keyword will save existing data when resizing an array to a larger size.

A) Preserve
B) Dim
C) As
D) ReDim

Question 18

Select the correct syntax to define 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

Question 19

The word ____ is used to declare an array.

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

Question 20

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 21

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

A) 4
B) 16
C) 32
D) 64

Question 22

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

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

Question 23

A(n) ____ form allows users to switch to another form while the first form is still open

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

Question 24

The ____ file extension indicates a text file.

A) txt
B) tex
C) txf
D) stf

Question 25

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 26

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 27

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 28

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 29

A simple text file is called a ____ file.

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

Question 30

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

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

Question 31

The ____ procedure removes a form from the user's screen so that it does not cover up the information it references.

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

Question 32

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 33

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

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

Question 34

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

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

Question 35

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 36

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 37

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

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

Question 38

A simple text file is called a(n) ____ file.

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

Question 39

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

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

Question 40

The ____ procedure of a StreamReader object reads the next character in a file without changing position in the file.

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

Question 41

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

Question 42

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

Question 43

An array subscript cannot be less than 1 . _________________________

Question 44

An array variable in Visual Basic can store more than five values at a time. _________________________

Question 45

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

Question 46

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

Question 47

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

Question 48

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

Question 49

When you initialize an array but do not assign values immediately, default values are not automatically assigned to the elements.

Question 50

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

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

Question 51

All Visual Basic arrays are considered static arrays. _________________________

Question 52

An array can hold ____ data type values.

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

Question 53

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

A) level
B) index
C) key
D) specifier

Question 54

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 55

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 56

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 57

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

Question 58

You cannot sort arrays in reverse alphabetical order.

Question 59

A nested loop is used to total the two columns of a(n) implicit array. _________________________

Question 60

You can return an array from a function.

Question 61

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

Question 62

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

Question 63

An application can only contain one Windows Form object.

Question 64

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

Question 65

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

Question 66

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

Question 67

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

Question 68

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

Question 69

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

Question 70

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

Question 71

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

Question 72

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

Question 73

The Hide procedure of a Form object removes the form from the user's screen, so it does not cover up the information it references.

Question 74

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

Question 75

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

Question 76

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

Question 77

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 78

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

Question 79

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

Question 80

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