Question 1

The If…Then selection statement performs an action if a condition is true or skips the action if the condition is false

Accepted Answer

A) True 
 B)False

Question 2

None of the guard conditions associated with a decision symbol may be false.

Accepted Answer

A) True 
 B)False

Question 3

Pseudocode is most comparable to which of the following languages?

Accepted Answer

A) Visual Basic 
B) C# 
C) Java 
D) English 
A) Visual Basic 
B) C# 
C) Java 
D) English

Question 4

Integer division may yield a non-integer result.

Accepted Answer

A) True 
 B)False

Question 5

To place a new item in a ListBox,call the Items property's Add method.

Accepted Answer

A) True 
 B)False

Question 6

Which statement is false?

Accepted Answer

A) Unless directed otherwise,the computer executes statements one after the other in the order in which they're written. 
B) UML activity diagrams normally show the Visual Basic code that implements the activity. 
C) Like pseudocode,activity diagrams help programmers develop and represent algorithms. 
D) The arrows in the activity diagram represent transitions,which indicate the order in which the actions represented by the action states occur. 
A) Unless directed otherwise,the computer executes statements one after the other in the order in which they're written. 
B) UML activity diagrams normally show the Visual Basic code that implements the activity. 
C) Like pseudocode,activity diagrams help programmers develop and represent algorithms. 
D) The arrows in the activity diagram represent transitions,which indicate the order in which the actions represented by the action states occur.

Question 7

Variables that store totals should typically be initialized to zero before being used in a program.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following correctly represents the expression a = a + 3?

Accepted Answer

A) 3a 
B) a += 3 
C) a + 3 
D) None of the above. 
A) 3a 
B) a += 3 
C) a + 3 
D) None of the above.

Question 9

When the number of repetitions is known before a loop begins executing,it is most appropriate to use____________________ .

Accepted Answer

A) definite repetition 
B) infinite repetition 
C) total repetition 
D) None of the above. 
A) definite repetition 
B) infinite repetition 
C) total repetition 
D) None of the above.

Question 10

Pseudocode helps you conceptualize a program during the design process.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following is a type of control structure?

Accepted Answer

A) declaration structure 
B) repetition structure 
C) flow structure 
D) All of the above. 
A) declaration structure 
B) repetition structure 
C) flow structure 
D) All of the above.

Question 12

The Do While…Loop statement behaves differently than the While…End While statement.

Accepted Answer

A) True 
 B)False

Question 13

Which statement is true?

Accepted Answer

A) Dividing two integers results in an integer answer. 
B) With integer division,any fractional part of the calculation is lost. 
C) With integer division of float values,the numerator and denominator are rounded before the calculation. 
D) All of the above. 
A) Dividing two integers results in an integer answer. 
B) With integer division,any fractional part of the calculation is lost. 
C) With integer division of float values,the numerator and denominator are rounded before the calculation. 
D) All of the above.

Question 14

In an activity diagram,the merge symbol has the same shape as what other symbol?

Accepted Answer

A) decision symbol 
B) action symbol 
C) transition arrows 
D) initial state 
A) decision symbol 
B) action symbol 
C) transition arrows 
D) initial state

Question 15

Control statements cannot be placed inside other control statements.

Accepted Answer

A) True 
 B)False

Question 16

Failure to provide the body of a Do Until…Loop structure with an action that eventually causes the condition to become false creates an infinite loop.

Accepted Answer

A) True 
 B)False

Question 17

What is typically the most difficult part of solving a problem on a computer?

Accepted Answer

A) deciding what problem needs to be solved 
B) developing the algorithm for the solution 
C) producing a program from the algorithm 
D) None of the above. 
A) deciding what problem needs to be solved 
B) developing the algorithm for the solution 
C) producing a program from the algorithm 
D) None of the above.

Question 18

When you know how many times a loop will execute in advance,a _______ loop should be used.

Accepted Answer

A) sentinel 
B) infinite 
C) counter-controlled 
D) None of the above. 
A) sentinel 
B) infinite 
C) counter-controlled 
D) None of the above.

Question 19

What does the expression x \= 10 do?

Accepted Answer

A) Multiplies 10 by the value of x,and stores the result in x. 
B) Divides x by 10 and stores the remainder in x. 
C) Divides x by 10 and stores the integer result in x. 
D) None of the above. 
A) Multiplies 10 by the value of x,and stores the result in x. 
B) Divides x by 10 and stores the remainder in x. 
C) Divides x by 10 and stores the integer result in x. 
D) None of the above.

Question 20

Pseudocode must be written in an editor capable of understanding it and the language to which it pertains.

Accepted Answer

A) True 
 B)False

Exam 4: Introduction to Problem Solving and Control Statements

The If…Then selection statement performs an action if a condition is true or skips the action if the condition is false

None of the guard conditions associated with a decision symbol may be false.

Pseudocode is most comparable to which of the following languages?

Integer division may yield a non-integer result.

To place a new item in a ListBox,call the Items property's Add method.

Which statement is false?

Variables that store totals should typically be initialized to zero before being used in a program.

Which of the following correctly represents the expression a = a + 3?

When the number of repetitions is known before a loop begins executing,it is most appropriate to use____________________ .

Pseudocode helps you conceptualize a program during the design process.

Which of the following is a type of control structure?

The Do While…Loop statement behaves differently than the While…End While statement.

Which statement is true?

In an activity diagram,the merge symbol has the same shape as what other symbol?

Control statements cannot be placed inside other control statements.

Failure to provide the body of a Do Until…Loop structure with an action that eventually causes the condition to become false creates an infinite loop.

What is typically the most difficult part of solving a problem on a computer?

When you know how many times a loop will execute in advance,a _______ loop should be used.

What does the expression x \= 10 do?

Pseudocode must be written in an editor capable of understanding it and the language to which it pertains.

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Introduction to Visual Basic Programming

Problem Solving and Control Statements

Methods

Arrays

Files and Streams

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Object-Oriented Programming: Inheritance

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Databases and LINQ to SQL

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Graphics and Multimedia

Exception Handling

Strings and Characters: a Deeper Look

Files and Streams

Xml and Linq to Xml

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Asynchronous Programming With Async and Await

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Web Services

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