Question 1

A can be used in repetition structures to indicate the end of data entry.

Accepted Answer

A)  counter 
B)  boolean 
C)  sentinel value 
D)  None of the above. 
A)  counter 
B)  boolean 
C)  sentinel value 
D)  None of the above.

Question 2

Which of the following is not an algorithm

Accepted Answer

A)  a recipe 
B)  operating instructions 
C)  textbook index 
D)  shampoo instructions (lather, rinse, repeat) 
A)  a recipe 
B)  operating instructions 
C)  textbook index 
D)  shampoo instructions (lather, rinse, repeat)

Question 3

Postincrementing a variable will delay the incrementing of a variable until the next time the variable is accessed.

Accepted Answer

A) True 
 B)False

Question 4

Which statement is false

Accepted Answer

A)  Unless directed otherwise, the computer executes C# statements one after the other in the order in which they are written. 
B)  Activity diagrams normally show the C# 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 C# statements one after the other in the order in which they are written. 
B)  Activity diagrams normally show the C# 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 5

The sentinel value must be chosen so that it cannot be confused with an acceptable in
put value.

Accepted Answer

A) True 
 B)False

Question 6

What is output by the following C# code segment Int temp = 180; While (temp != 80) { If (temp > 90) { Console.Write("This porridge is too hot! "); // cool down Temp = temp - (temp > 150 100 : 20); } Else { If (temp < 70) { Console.Write("This porridge is too cold! "); // warm up Temp = temp + (temp < 50 30 : 20); } } } If (temp == 80) { Console.WriteLine("This porridge is just right!"); }

Accepted Answer

A)  This porridge is too cold! This porridge is just right! 
B)  This porridge is too hot! This porridge is just right! 
C)  This porridge is just right! 
D)  None of the above. 
A)  This porridge is too cold! This porridge is just right! 
B)  This porridge is too hot! This porridge is just right! 
C)  This porridge is just right! 
D)  None of the above.

Question 7

During the 1960s,it became clear that the indiscriminate use of transfers of control was the root of much difficulty experienced by software development groups.

Accepted Answer

A) True 
 B)False

Question 8

What does the expression x %= 10 do

Accepted Answer

A)  Adds 10 to 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)  Adds 10 to 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 9

Which of the following decrements the variable a by one

Accepted Answer

A)  a-- 
B)  a- 
C)  --a 
D)  a and c 
E)  All of the above. 
A)  a-- 
B)  a- 
C)  --a 
D)  a and c 
E)  All of the above.

Question 10

Pseudocode is most comparable to which of the following languages

Accepted Answer

A)  C# 
B)  C 
C)  Pascal 
D)  English 
A)  C# 
B)  C 
C)  Pascal 
D)  English

Question 11

The three types of selection structures are:

Accepted Answer

A)  foreach, for and switch 
B)  if, for and switch 
C)  if, if/else and while 
D)  if, if/else and switch 
A)  foreach, for and switch 
B)  if, for and switch 
C)  if, if/else and while 
D)  if, if/else and switch

Question 12

What is an algorithm

Accepted Answer

A)  the actions (and their order) that solve a particular problem 
B)  an English description of a problem to be solved 
C)  the process of converting between data types 
D)  None of the above. 
A)  the actions (and their order) that solve a particular problem 
B)  an English description of a problem to be solved 
C)  the process of converting between data types 
D)  None of the above.

Question 13

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 14

A set of statements contained in a pair of braces can be placed anywhere in a program at which a single statement can be placed.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following terms is not used to refer to a sentinel value that breaks out of a while statement

Accepted Answer

A)  signal value 
B)  break value 
C)  dummy value 
D)  flag value 
A)  signal value 
B)  break value 
C)  dummy value 
D)  flag value

Question 16

Control statements are helpful in building and manipulating objects.

Accepted Answer

A) True 
 B)False

Question 17

Cast operators are used to perform implicit conversions between data types.

Accepted Answer

A) True 
 B)False

Question 18

Pseudocode normally describes only executable statements.

Accepted Answer

A) True 
 B)False

Question 19

It is known as when the number of repetitions is known before a loop begins executing.

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 20

The best way to use braces is to go back and insert them after all the code has been written.

Accepted Answer

A) True 
 B)False

Exam 5: Control Statements: Part 1

A can be used in repetition structures to indicate the end of data entry.

Which of the following is not an algorithm

Postincrementing a variable will delay the incrementing of a variable until the next time the variable is accessed.

Which statement is false

The sentinel value must be chosen so that it cannot be confused with an acceptable in put value.

During the 1960s,it became clear that the indiscriminate use of transfers of control was the root of much difficulty experienced by software development groups.

What does the expression x %= 10 do

Which of the following decrements the variable a by one

Pseudocode is most comparable to which of the following languages

The three types of selection structures are:

What is an algorithm

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

A set of statements contained in a pair of braces can be placed anywhere in a program at which a single statement can be placed.

Which of the following terms is not used to refer to a sentinel value that breaks out of a while statement

Control statements are helpful in building and manipulating objects.

Cast operators are used to perform implicit conversions between data types.

Pseudocode normally describes only executable statements.

It is known as when the number of repetitions is known before a loop begins executing.

The best way to use braces is to go back and insert them after all the code has been written.

Introduction to Computers, the Internet and Visual C#

Dive Into Visual Studio Community

Introduction to C# Apps

Introduction to Classes,Objects,Methods and Strings

Control Statements: Part 2

Methods: a Deeper Look

Arrays;Introduction to Exception Handling

Introduction to Linq and Generic Collections

Classes and Objects: A Deeper Look

Object-Oriented Programming: Inheritance

Object-Oriented Programming: Polymorphism

Exception Handling: A Deeper Look

GUI With Windows Forms: Part 1

GUI With Windows Forms: Part 2

Strings,Characters and Regular Expressions

Files and Streams

Searching and Sorting

Data Structures

Generics

Collections

Databases and LING

Asynchronous Programming With Async and Await

XML

GUI With Windows Presentation Foundation

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