Deck 6: Using Methods

Question 1

Programmers often say that a method's implementation details are hidden in a(n)____.

A) black box
B) secret box
C) trap door
D) invisible box

Answer 1

A

Question 2

____ is the feature of programs that assures you a module has been tested and proven to function correctly.

A) Reusability
B) Consistency
C) Reliability
D) Credibility

Answer 2

C

Question 3

____ means paying attention to important properties while ignoring nonessential details.

A) Abstraction
B) Hiding
C) Oversight
D) Complicating

Answer 3

A

Question 4

The modular nature of structured programs means that work can be divided among many programmers.

Question 5

____ is the encapsulation of method details.

A) Abstraction
B) Templating
C) Implementation hiding
D) Generalization

Question 6

A declaration for a method that receives two or more arguments can list the type for each parameter together if they are the same type.

Question 7

With implementation hiding,when you make a request to a method,you only know the details of how the method is executed.

Question 8

Creating submethods makes the calling method's logic more concise,easier to read,and somewhat easier to identify as structured.

Question 9

A method's return statement can return one value at most.

Question 10

The calling method needs to understand only the ____ to the method that is called.

A) input
B) connection
C) border
D) interface

Question 11

A method's ____ includes the method identifier and possibly other identifying information.

A) header
B) body
C) declaration
D) return

Question 12

To execute a method,you invoke it or ____ it from another program or method.

A) call
B) translate to
C) command
D) transfer to

Question 13

Visual Basic programmers use the term "methods" to name their modules.

Question 14

In daily life,using a low-level,abstract list of chores makes your day manageable.

Question 15

C++ programmers use "____" to name their modules.

A) subroutine
B) function
C) procedure
D) method

Question 16

A method's return type is part of its signature.

Question 17

A program that calls methods might take slightly longer to execute because it takes time for a program to store the locations to which the logic must return when each method is finished.

Question 18

In most circumstances,you should not declare global variables and constants.

Question 19

The process of breaking down a large program into modules is called ____.

A) decomposition
B) isolation
C) modularization
D) compartmentalization

Question 20

The feature of modular programs that allows individual modules to be used in a variety of applications is known as ____.

A) reusability
B) readability
C) reliability
D) consistency

Question 21

When you place a value in a(n)____ statement,the value is sent from the called method back to the calling method.

A) return
B) expel
C) send
D) value

Question 22

When a method returns nothing it is known as a(n)____ method.

A) empty
B) void
C) blank
D) null

Question 23

Along with an identifier and parameter list,a return type is part of a method's ____.

A) profile
B) header
C) signature
D) declaration

Question 24

Programmers use the term ____ to describe any extra time and resources required by an operation.

A) overage
B) overhead
C) overburden
D) excess

Question 25

A method's ____ contains all the statements in the method.

A) header
B) body
C) declaration
D) return

Question 26

The computer keeps track of the correct memory address to which it should return after executing a method by recording the memory address in a location known as the ____.

A) queue
B) stack
C) heap
D) accumulator

Question 27

When two or more methods in a program require access to the same data,you ___ the data from one method to another.

A) text
B) manage
C) define
D) pass

Question 28

The variables in the method declaration that accept the values from the actual parameters are the ____ parameters.

A) formal
B) declared
C) instantiated
D) real

Question 29

Methods are considered ____,that is,they can more easily be transported to and reused by multiple programs when variables and constants are declared within the methods that use them.

A) efficient
B) moveable
C) reliable
D) portable

Question 30

A method's name and parameter list constitute the method's ____.

A) header
B) profile
C) signature
D) outline

Question 31

Variables and constants declared within a method are ____ only within that method.

A) in vision
B) in range
C) in scope
D) in group

Question 32

The scope of a variable or constant is ____ to the method or program in which it is declared.

A) global
B) local
C) public
D) private

Question 33

The more the statements in a method contribute to the same job,the greater the ____ of the method.

A) strength
B) functional adhesion
C) functional coupling
D) functional cohesion

Question 34

All modern programming languages contain many built-in,prewritten ____ to save time and effort.

A) routines
B) variable
C) methods
D) programs

Question 35

Programmers say the data items are ____ only within the method or program in which they are declared.

A) visible
B) public
C) readable
D) available

Question 36

The arguments sent to a method in a method call are often referred to as ____ parameters.

A) formal
B) declared
C) instantiated
D) actual

Question 37

When multiple parameters appear in a method header,they compose a(n)____ list.

A) input
B) method
C) informal
D) parameter

Question 38

In many environments,collections of pre-written methods are called ____.

A) templates
B) libraries
C) foundations
D) packages

Question 39

In a program,when you send a value to a method,you send a(n)____ to the method.

A) variable
B) parameter
C) argument
D) key

Question 40

____ variables and constants are those that are known to the entire program.

A) Global
B) Local
C) Universal
D) Portable

Question 41

There is a method with the header: void printData(num x,string y).There is a declared numeric variable: test.Which of the following is a correct method call?

A) printData(test)
B) printData(test,"Good")
C) printData("Good",test)
D) printData("Good","Best")

Question 42

When a method accepts multiple arguments,does it matter what order the arguments are passed in?

Question 43

List two occasions when you might consider declaring variables and constants globally.

Question 44

The following pseudocode is not working correctly.The code should multiply price and tax,and display the result.What code needs to be corrected? computeArea(num width,num length)
Declarations
Num result
Width * length
Output "The area is " result
Return

A) Change the return statement to
Return result
B) Change the result initialization to
Num result = width * length
C) Change the return statement to
Return output
D) Change the output line to
Output = width * length

Question 45

The following pseudocode is not working correctly. What code needs to be corrected? This is the call to the method: displayName()
And this is the method:
DisplayName(string name)
Output "My name is " name
Return

A) Change the method call to
DisplayName("Sean")
B) Change the method call to
DisplayName(Sean)
C) Change the return statement to
Return output
D) Change the return statement to
Return name

Question 46

The following pseudocode is not working correctly.The code should add price and tax.What code needs to be corrected? num computeSum(num price,num tax)
Declarations
Num result
Result = price + tax
Return

A) Change the result calculation to
Result = tax + price
B) Change the result calculation to
Result = (price + tax)
C) Change the return statement to
Return num
D) Change the return statement to
Return result

Question 47

There is a method with the header: void printData(num x,string y). There is a declared a numeric variable: test. What does this method return?

A) a numeric and a string variable
B) test
C) nothing
D) it depends on the parameters

Question 48

Write the pseudocode for the method named computeSum.The method should return a numeric value: result.The method should have two numeric parameters: amount1 and amount2. result is equal to the sum of amount1 and amount2.

Question 49

What is the difference between an argument and a parameter variable?

Question 50

Write the pseudocode for the method named computeArea.The method should display "The area is " and numeric value: result.It should have two numeric parameters: width and length.width multiplied by length is equal to result.