McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Science in Computer Science TY (BSc CS) , Bachelor of Science in Computer Science (BSc CS) , Programming Languages .
| 51. |
The declaration statement for a class-level variable should be placed __________. |
| A. | inside an event procedure |
| B. | inside a general procedure |
| C. | anywhere in the program region, except inside a procedure |
| D. | above the statement public class frmname |
| Answer» C. anywhere in the program region, except inside a procedure | |
| 52. |
Variables declared inside a procedure are said to have ________________. |
| A. | local scope |
| B. | procedure-level scope |
| C. | class-level scope |
| D. | none of the above |
| Answer» A. local scope | |
| 53. |
Suppose the variable myName is declared in a Dim statement in two different Sub procedures. Which statement is true? |
| A. | the program will malfunction when it is executed. |
| B. | when the value of myname is changed in one sub procedure, it will also be changed in the other sub procedure. |
| C. | visual basic’s smart editor will alert you that this is an error before the program is executed. |
| D. | the two variables will be local to their respective sub procedures. |
| Answer» D. the two variables will be local to their respective sub procedures. | |
| 54. |
Which of the following statements is guaranteed to pass the variable numVar by value to the Sub procedure Tally? |
| A. | tally(numvar) |
| B. | tally(byval numvar) |
| C. | tally((numvar)) |
| D. | tally(byval numvar as double) |
| Answer» D. tally(byval numvar as double) | |
| 55. |
The ______________ of a Sub procedure are vehicles for passing numbers and strings to the Sub procedure. |
| A. | call statements |
| B. | arguments |
| C. | parameters |
| D. | variables declared inside |
| Answer» C. parameters | |
| 56. |
Which of the following is NOT a reason for using procedures? |
| A. | they break a complex problem down into smaller pieces. |
| B. | they make a program run faster. |
| C. | they can be reused easily. |
| D. | they make it possible for a team of people to work together on a single program. |
| Answer» B. they make a program run faster. | |
| 57. |
Which one of the following is true about arguments and parameters? |
| A. | arguments appear in call statements; parameters appear in sub statements. |
| B. | parameters appear in call statements; arguments appear in sub statements. |
| C. | they are synonymous terms. |
| D. | they are completely unrelated in a program. |
| Answer» A. arguments appear in call statements; parameters appear in sub statements. | |
| 58. |
Each individual variable in the list student(0), student(1), student(2) is known as a(n) |
| A. | subscript |
| B. | dimension |
| C. | element |
| D. | type |
| Answer» C. element | |
| 59. |
The statement Const TAX_RATE As Doubleface=Calibri size=2> is not valid. |
| A. | true |
| B. | false |
| Answer» A. true | |
| 60. |
Function names should be suggestive of the role performed. The names also must conform to the rules for naming variables. |
| A. | true |
| B. | false |
| Answer» A. true | |
| 61. |
The input to a user-defined function can consist of one or more values. |
| A. | true |
| B. | false |
| Answer» A. true | |
| 62. |
Both the input and output of a Function procedure can consist of several values. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 63. |
Suppose you want to write a procedure that takes three numbers, num1, num2, and num3; and returns their sum, product, and average. It is best to use a Function procedure for this task. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 64. |
Although a function can return a value, it cannot directly display information in a text box. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 65. |
Function procedures can invoke other Function procedures. |
| A. | true |
| B. | false |
| Answer» A. true | |
| 66. |
A Function may return up to two values. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 67. |
The input to a user-defined function can consist of: |
| A. | a single value |
| B. | one or more values |
| C. | no values |
| D. | all of the above |
| Answer» D. all of the above | |
| 68. |
Variables appearing in the header of a Function procedure are called ____________. |
| A. | values of the function |
| B. | parameters |
| C. | coordinates |
| D. | arguments |
| Answer» B. parameters | |
| 69. |
The arguments appearing in a Call statement must match the parameters in the appropriate Sub or Function header in all but one of the following ways. Which one? |
| A. | number of arguments |
| B. | names of arguments |
| C. | data type of arguments |
| D. | order of arguments |
| Answer» B. names of arguments | |
| 70. |
A Do While loop checks the While condition before executing the statements in the loop. |
| A. | true |
| B. | false |
| Answer» A. true | |
| 71. |
A Do?Loop Until block is always executed at least once |
| A. | true |
| B. | false |
| Answer» A. true | |
| 72. |
A counter variable is normally incremented or decremented by 1. |
| A. | true |
| B. | false |
| Answer» A. true | |
| 73. |
The value of the control variable should not be altered within the body of a For?Next loop. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 74. |
The body of a For…Next loop in Visual Basic will always be executed once no matter what the initial and terminating values are. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 75. |
The body of a For…Next loop in Visual Basic will always be executed once no matter what the initial and terminating values are. duplicate question? |
| A. | true |
| B. | false |
| Answer» B. false | |
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