Deck 9: Sub and Function Procedures

Question 1

Passing a variable's address to the receiving procedure is referred to as passing by ____.

A) address
B) parameter
C) reference
D) value

Answer 1

C

Question 2

A(n) ____ Sub procedure is processed only when called (invoked) from code.

A) independent
B) event
C) parameterized
D) modular

Answer 2

A

Question 3

In most cases, the procedure header begins with the ____ keyword.

A) Public
B) Private
C) Sub
D) Call

Answer 3

B

Question 4

To pass a variable by value, you include the keyword ____ before the name of its corresponding parameter in the procedure's parameterList.

A) ByRef
B) ByVal
C) ByValue
D) ByName

Question 5

You cannot pass information to a function by reference.

Question 6

The parameterList lists the data type and name of one or more memory locations, called ____.

A) functions
B) parameters
C) clauses
D) constants

Question 7

Procedure names are usually entered using ____.

A) Top case
B) Fermi case
C) Pascal case
D) Hill case

Question 8

The ____ clause in an event procedure's header indicates the object and event associated with the procedure.

A) Call
B) ByVal
C) ByRef
D) Handles

Question 9

When you pass a variable by value, the receiving procedure can change the value stored inside the variable.

Question 10

Unlike a Sub procedure header, a function's header includes the ____ section.

A) Handles
B) ByVal
C) As datatype
D) ByRef

Question 11

The position of the arguments listed in the calling statement should agree with the position of the parameters listed in the receiving procedure's _____.

A) variables
B) parameterList
C) Return statement
D) arguments

Question 12

The number of arguments in the Call statement's argumentList should agree with the number of parameters in the procedure's parameterList .

Question 13

You can invoke an independent Sub procedure using the ____ statement.

A) event
B) parameter
C) method
D) calling

Question 14

After creating your own function in Visual Basic, you can invoke it from one or more places in an application's code.

Question 15

The rules for naming an independent Sub procedure are the same as those for naming variables.

Question 16

You pass a variable by ____ when you want the receiving procedure to change the contents of the variable.

A) value
B) memory
C) name
D) reference

Question 17

The process of manually walking through your code, using sample data is called ____.

A) prototyping
B) desk-checking
C) screening
D) reviewing

Question 18

The procedure footer for a Sub procedure is always ____.

A) Private Sub
B) End Case
C) Exit Sub
D) End Sub

Question 19

The ____ keyword tells the computer to pass the variable's address rather than a copy of its contents.

A) ByName
B) ByMem
C) ByRef
D) ByVal

Question 20

A(n) ____ procedure returns a value after performing its assigned task.

A) Argument
B) Function
C) Parameter
D) Sub

Question 21

The function's header and footer contain the ____ keyword.

A) Sub
B) Funct
C) Return
D) Function

Question 22

When you pass a variable ____________________, the computer passes a copy of the variable's contents to the receiving procedure.

Question 23

What kind of access to a variable does the receiving procedure have when the variable is passed to it by value?

Question 24

What is desk-checking?

Question 25

You can use the ____ function to return a number rounded to a specific number of decimal places.

A) Round
B) Math.Round
C) Round.Math
D) Math.Digits

Question 26

The last statement in a function is typically the ____________________.

Question 27

To pass a variable by reference in Visual Basic, you include the keyword ____________________ before the variable's corresponding parameter in the receiving procedure's header.

Question 28

What is the difference between Sub procedures and Function procedures?

Question 29

What is an independent Sub procedure?

Question 30

What are two reasons for using independent Sub procedures in code?

Question 31

You can cast a variable from the Object data type to a different data type by using the ____operator.

A) TryType
B) CastType
C) TryCast
D) Cast

Question 32

What are the rules for naming an independent Sub procedure?

Question 33

The process of converting a variable from one data type to another is referred to as ____.

A) casting
B) changing
C) transferring
D) translating

Question 34

Variables declared using the ____ data type do not have a set of properties.

A) Object
B) Integer
C) Double
D) String

Question 35

On what basis should you decide whether you should pass a variable's value or address to the receiving procedure?

Question 36

Associating a procedure with more than one object and event allows the programmer to avoid  ____________________ code in different parts of the program..

Question 37

What is an event procedure?

Question 38

How do you invoke a function that you have created?

Question 39

Desk‑checking is also called ____________________ because you use a pencil and paper to follow each of the instructions by hand.

Question 40

The Return statement's syntax is ____ expression , where expression represents the one and only value that will be returned to the statement invoking the function.

A) Return
B) Send
C) Handles
D) As

Question 42

What is the TryCast operator use for?