Dot Net Architecture And Program Set 3 MCQs

Q1 | The declaration statement for a class-level variable should be placed __________.

inside an event procedure

inside a general procedure

anywhere in the program region, except inside a procedure

above the statement public class frmname

Q2 | Variables declared inside a procedure are said to have ________________.

local scope

procedure-level scope

class-level scope

none of the above

Q3 | Suppose the variable myName is declared in a Dim statement in two different Sub procedures. Which statement is true?

the program will malfunction when it is executed.

when the value of myname is changed in one sub procedure, it will also be changed in the other sub procedure.

visual basic’s smart editor will alert you that this is an error before the program is executed.

the two variables will be local to their respective sub procedures.

Q4 | Which of the following statements is guaranteed to pass the variable numVar by value to the Sub procedure Tally?

tally(numvar)

tally(byval numvar)

tally((numvar))

tally(byval numvar as double)

Q5 | The ______________ of a Sub procedure are vehicles for passing numbers and strings to the Sub procedure.

call statements

arguments

parameters

variables declared inside

Q6 | Which of the following is NOT a reason for using procedures?

they break a complex problem down into smaller pieces.

they make a program run faster.

they can be reused easily.

they make it possible for a team of people to work together on a single program.

Q7 | Which one of the following is true about arguments and parameters?

arguments appear in call statements; parameters appear in sub statements.

parameters appear in call statements; arguments appear in sub statements.

they are synonymous terms.

they are completely unrelated in a program.

Q8 | Each individual variable in the list student(0), student(1), student(2) is known as a(n)

subscript

dimension

element

type

Q9 | The statement Const TAX_RATE As Doubleface=Calibri size=2> is not valid.

true

false

Q10 | Function names should be suggestive of the role performed. The names also must conform to the rules for naming variables.

true

false

Q11 | The input to a user-defined function can consist of one or more values.

true

false

Q12 | Both the input and output of a Function procedure can consist of several values.

true

false

Q13 | 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.

true

false

Q14 | Although a function can return a value, it cannot directly display information in a text box.

true

false

Q15 | Function procedures can invoke other Function procedures.

true

false

Q16 | A Function may return up to two values.

true

false

Q17 | The input to a user-defined function can consist of:

a single value

one or more values

no values

all of the above

Q18 | Variables appearing in the header of a Function procedure are called ____________.

values of the function

parameters

coordinates

arguments

Q19 | 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?

number of arguments

names of arguments

data type of arguments

order of arguments

Q20 | A Do While loop checks the While condition before executing the statements in the loop.

true

false

Q21 | A Do?Loop Until block is always executed at least once

true

false

Q22 | A counter variable is normally incremented or decremented by 1.

true

false

Q23 | The value of the control variable should not be altered within the body of a For?Next loop.

true

false

Q24 | The body of a For…Next loop in Visual Basic will always be executed once no matter what the initial and terminating values are.

true

false

Q25 | 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?

true

false