Finishing School – 2011
Computer Science
C Questions
1. Which symbol is used to make comments ?
 //
#
 !!
 <!-2. How would you insert pre-written code into a current program ?
 #read <file>
 #get <file>
 #include <file>
 #pre <file>
3. Which symbols represent a block of code ?
 { ... code here }
 ( ... code here )
 [ ... code here ]
 < ... code here >
4. In which standard library file is the function printf() located ?
 stdlib.h
 stdio.h
 stdout.h
 stdoutput.h
5. In order to properly use a variable...
 The variable must have a valid type.
 The variable name can not be a keyword (part of the C syntax).
 The variable name must begin with a letter.
 All of the above.
6. Which mathematical operators are in the correct order ?
 Addition, Division, Modulus
 Division, Multipication, Modulus
 Modulus, Multipication, Subtraction
 Modulus, Addition, Division
7. Which of the following are NOT relational operators ?
>
<
 ==
 >=
1
8. The first expression in a for loop is
 The test expression.
 The step value of the loop.
 The value of our counter variable.
 None of the above.
9. What is the break statement used for ?
 To quit the program.
 To quit the current iteration.
 To stop the current iteration and begin the next iteration.
 None of the above.
10. What is the continue statement used for ?
 To continue to the next line of code.
 To stop the current iteration and begin the next iteration from the beginning.
 As an alternative to the else statement.
 None of the above.
11. A function prototypes are useful
 Because they tell the compiler that a function is declared later.
 Because they make the program more readable.
 Because they allow the programmer to see a quick list of functions in the program along with the arguments for each function.
 All of the above.
12. Because of variable scope
 Variables created in a function cannot be used another function.
 Variables created in a function can be used in another function.
 Variables created in a function can only be used in the main function
 None of the above.
13. Which symbol is used to declare a pointer ?
&
@
*
$
14. Which symbol is used to reference a pointer ?
*
&
@
$
2
15. Adding to a pointer that points to an array will
 Cause an error.
 Increase the value of the element that the pointer is pointing to.
 Cause the pointer to point to the next element in the array.
 None of the above.
16. To access the members of a structure, which symbol is used ?
*
,
.
17. A member is a
 Variable in a structure.
 Structure's datatype.
 Pointer to a structure.
 None of the above.
18. Structures can...
 Hold many variables of different types.
 Have pointers to structures.
 Be assigned to one another, given they are the same type.
 All of the above.
19. In a C program, the first statement that will be executed is:
 The first executable statement of the program.
 The first executable statement of the main() function.
 The first executable statment after the comment /*start here*/
 The first executable statement of the end function.
20. The statement: int *jack
 Declares that all variables ending with jack are ints.
 Is a pointer declaration. jack is a pointer to an int variable.
 Declares that jack is the address of a variable and that the address is an int.
 Declares that all variables starting with jack are ints.
3
C ++ - Questions
1. What function initalizes variables in a class:
 Constructor
 Destructor
 Constitutor
 A and B are correct.
2. To include code from the library in the program, such as iostream, a directive would be called up using this command.
 #include <>; with iostream.h inside the brackets
 include (iostreamh)
 #include <> with iostream.h inside the brackets
 include #iostream,h;
3. Single line comments explaining code would be preceded like in the following example
 /**
 //
 *//
 /*
4. Which line has all reserved words ?
 char, int, float, doubled, short, long, unsigned, signed
 sizeof, const, typedef, static, voided, enum, struct, union
 if, else, for, while do, switch, continue, break
 defaulted, goto, return, extern, private, public, protected
5. What punctuation must each command line have at the end of the line ?
:
,
!
;
6. The C++ language is
 case-sensitive.
 Not case-sensitive.
 It depends
 None of these
7. The number 5.9875e17 must be stored in a(n):
 int
 long
 double
 float
4
8. Select the correct definition for a string variable.
 string mystr;
 string mystr[20];
 string[20] mystr;
 char mystr[20];
9. The sentence "Hello world!" uses _____ elements in a character array.
 10
 11
 12
 13
10. When you are creating a structure, you need to use the following keyword
 structure
 struct
 object
 record
11. Select the correct function definition (NOT prototype) from the list below.
 void intro();
 double sin(double rad);
 int foo(int bar; double baz)
 double pow(double num, int pow);
12. Cout can print multiple values or variables in a single command using the following syntax:
 cout << "Hi" + bob + "\n";
 cout << "Hi" << bob << "\n";
 cout << "Hi", bob, "\n";
 cout << ("Hi" & bob & "\n");
13. Write a for loop that counts from 0 to 5.
 for (c = 0; c <= 5; c++)
 for (int c = 0; c <= 6; c++)
 for (c = 0; c < 5; c++)
 for (c = 0; c < 5; c++);
14. What does the statement #include do ?
 It defines the function iostream.h
 It tells the compiler where the program begins
 It defines the words TRUE and FALSE
 It allows the programmer to use cout << It defines the statement return
5
15. Which of the following converts an integer "value" to its ASCII equivalent ?
 atoi(value)
 cout << value
 (char) value
 char (value)
16. Indicate which data type is not part of standard C++.
 bool
 int
 real
 double
17. Which one of the choices would produce the following output ?
 cout << "Hello" << "World";
 cout << "Hello \n World";
 cout << "Hello World\n";
 cin >> "Hello World";
18. What is the output of the following code?
for (int i=0; i<10; i++); cout << i%2 << " "; }
0123456789
 0 2 4 6 8 10 12 14 16 18
1010101010
0101010101
19. What is the output of the following code?
for (int a = 1; a <= 1; a++) cout << a++; cout << a;
 22
 12
 error
 23
20. For which values of the integer _value will the following code become an infinite loop?
int number=1;
while (true) {
cout << number;
if (number == 3) break;
number += _value; }
 only 0
 only 1
 only 2
 only 1 or 2
6
VB Questions
1. VB is:
 Visual Building
 Visual Basic
 View Building
 View Basic
2. What is the function of this button ?
 Run the project
 View Form
 Height of window
 View the source code
3. Which of these is not an collection of the VB project ?
 The global module
 The form module
 The object module
 The class module
4. What is the name of the bar where you would see a Categorized view or a Alphabetic View ?
 Project Properties Window
 Tool Bar
 Tool Box window
 Project explorer
5. On start up, which of these window is not displayed ?
 The Blank Form window
 The Class window
 The Project window
 The Properties window
6. What is this button used for ?
 Stopping other programs taking inputs
 Terminating the application
 Drawing 3d objects
 Check the application
7. Message boxes are used for
 when you want to ask the user a question
 display an error message
 advise the user
 All the above
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8. Which one of these is not a valid add -in ?
 global module
 resource files
 general module
 modest module
9. How many types of message boxes are there in VB ?
5
6
7
8
10. What is tool tip text ?
 Tool tip text is a tip of the day
 Tool tip text does not exist
 Tool tip text is shown when the mouse is held over a object for a period of time
 Tool tip text is the same as the caption
11. Which of these is not an vaild messagebox in VB ?
 vbOKonly
 vbExitOnly
 vbAbortRetryIgnore
 vbRetryCancel
12. What is the meaning of *.VBP ?
 Volly Ball Practice
 Visual Binary Protocol
 Visual Basic Project
 Visi - ble - property
13. A control array is a list of controls with the
 defferent names
 same name
 both 1 and 2
 None of these
14. What is the purpose of the name function in all controls ?
 So things can be sorted by type
 So they can be called at runtime
 The name functions does not exist
 Not too sure
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15. What is DAO ?
 Database Access Object
 Data Advanced Object
 Data Access Objects
 None of these
16. Which of these is used to open an database ?
 Set dbMyDB = OpenDatabase("MyDatabase.mdb")
 dbMyDB = OpenDatabase("MyDatabase.mdb")
 Set dbMyDB = OpenDatabase
 None of these
17. Visual Basic uses an object called ______ to hold your table.
 Record
 RecordSet
 file
 table
18. The Visual Basic Upgrade Wizard will convert all the code in your VB 6 application to VB.NET code for you.
 True
 False
 Not always true
 None of these
19. If you know you want to migrate your Visual Basic 6 application to VB.NET, what is the first thing you should do ?
 Open the Visual Basic Upgrade Wizard, get a cup of coffee and watch it run.
 Assess the VB 6 application; find out what controls it uses, what projects are in there and so on.
 Cancel all social plans for the next couple months and start rewriting the app in .NET.
 Schedule meetings with end users to see what features they want to add to the app.
20. Some bits of a Visual Basic 6 application, like most APIs, can be easily migrated to VB.NET; other parts are not so
straightforward. Which of the following will NOT have to be re-architected during a VB 6-to-VB.NET migration ?
 DHTML pages
 ActiveX documents
 OLE controls
 ADO to ADO via Interop
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Data Structures Questions
1. _____________ Memory is Volatile
 main
 Random Access
 Both 1 and 2
 Virtual
2. An _________ data type is a keyword of a programming language that specifies the amount of memory needed to store data and the
kind of data that will be stored in that memory location
 abstract
 int
 vector
 None of these
3. Which of the following abstract data types are NOT used by Integer Abstract Data type group?
 Short
 Int
 float
 long
4. The hashString() member function is called by other member functions of the Hashtable class whenever a function needs to convert a
________________
 a hash number key to a key
 key to a hash number key
 a key to an Index
 None of these
5. An application iterates the hashtable by calling the ______ and ______ member functions
 hasNext() and hasDelete()
 hasNext() and getNextKey()
 Both 1 and 2
 None of these
6. The java.util package contains two classes that are designed to work with hashtables. They are _______ and _________..
 Hashtable , HashMap class
 Hashtable,List
 Vector,List
 Vector,Hashtable
7. Data members of the Hashtable class stored in the private access specifier
 private access specifier
 Public access specifier
 common access specifier
 None of these
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8. _____ is the common programming technique used for hashing in all hashing functions
 Cloning
 Bit Shifting
 Hashmapping
 Listing
9. If the depth of a tree is 3 levels, then what is the Size of the Tree?
4
2
8
6
10. deleteNode() function requires the _____ of the data element of the node that is being removed
 reference
 value
 declaration
 variable
11. Value of the first linked list index is _______
 One
 Zero
 -1
 None of these
12. A linked list index is ____ that represents the position of a node in a linked list.
 An Integer
 a variable
 a character
 a boolean
13. Why is the constructor of the QueueLinkedList class empty?
 because initialization of data members of the LinkedList class is performed by the constructor of the LinkedList class.
 because initialization of data members of the LinkedList class is performed by the destructor of the LinkedList class.
 because initialization of data members of the QueueLinkedList class is performed by the constructor of the LinkedList class.
 because initialization of data members of the QueueLinkedList class is performed by the destructor of the LinkedList class
14. _______ form of access is used to add and remove nodes from a queue
 LIFO,Last In First Out
 FIFO , First In First Out
 Both 1 and 2
 None of these
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15. ______ form of access is used to add and remove nodes from a stack
 LIFO
 FIFO
 Both 1 and 2
 None of these
16. New nodes are added to the _____ of the queue.
 front
 back
 middle
 Both 1 and 2
17. A _______ is a data structure that organizes data similar to a line in the supermarket, where the first one in line is the first one out.




queue linked list
stacks linked list
both of them
neither of them
18. In an array queue, data is stored in an _____ element.
 Node
 linked list
 array
 constructor
19. The pop() member function determines if the stack is empty by calling the _____ member function
 removeback()
 isEmpty()
 removedfront()
 hasNext()
20. What happens when you push a new node onto a stack?
 the new node is placed at the front of the linked list.
 the new node is placed at the back of the linked list.
 the new node is placed at the middle of the linked list.
 No Changes happens
12
Networking – Questions
1. The maximum number of nodes per segment depends on the_______.?
 Bandwidth
 Desired throughput
 Regeneration ability
 Attenuation
2. Information can be transmitted via one of_______siganlling method(s).
 One
 Two
 Four
 Five
3. IEEE designates Thicknet as_______Ethernet
 10Base5
 10BaseT
 10Base10
 10Base2
4. ensure(s) that data are transferred whole, in sequence, and without error from one node on the network to another.
 Data Packets
 Addressing
 Protocol
 File services
5. Which is not an exmple of transmission media?
 Wire
 Coaxial cable
 Radio waves
 None of the above
6. Mail services requires a significant commitment of technical support and administration and resources due to their
 Instability
 Access ability
 Routing capability
 Heavy use
7. How many layers in the OSI model?
5
7
6
8
8. Which device act as a traffic cop?
 Router
 Hub
 Switch
 Modem
9. What is SMTP?
 Simple Mailer transport protocol
 Simple mail transport protocol
 Single Mail transport protocol
 Noneofthese
10. An organization that share devices, saves
 Money
 Time
 Space
 All of the above.
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JAVA
1. What is Java (in regard to Computer Science) ?
 A type of coffee
 An interactive website
 An object-oriented programming language
 None of the above
2. What is an Applet ?
 Type of computer
 An interactive website
 A Java program that is run through a web browser
 A type of fruit
3. Java runs on _______.
 Windows
 Unix/Linux
 Mac
 All of the Above
4. Why can't the whole program just consist of the one line that does the painting ?
 In Java, to create an applet, you can't call on functions without defining a class to call them.
 To appear on the web, Java must use an applet, and without first defining a class, you won't be painting onto anything.
 The drawString function is not defined without the "import" statements at the top.
 All of the above.
5. What's the difference between an Applet and an application ?
 An application is only available on Windows
 Applets are run over the web.
 Applets can paint words, applications cannot.
 None of the above.
6. What is the main function of any variable ?
 To add numbers together
 To print words on the screen
 To keep track of data in the memory of the computer
 To write Java
7. What is the proper way to declare a variable ?
 variableName variableType;
 variableType;
 variableName;
 variableType variableName;
8. Booleans are _______.
 True or False
 Single characters
 Text
 All numbers
9. The following statements make “length” be what number ?
int length;
length = 4;
length ++;
4
5
6
8
10. What is an assignment statement ?
 Adding a number to an int
 Assigning a multiplication
 Assigning a name to a variable
 Assigning a value to a variable
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Finishing School - Computer Science - Answer Booklet
C
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C ++
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VB
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NETWORKING
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Data Structures
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JAVA
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Answers
C Answers
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20.
a
c
b
b
d
c
c
c
b
b
d
a
c
b
c
d
a
d
b
b
VB Answers
1.
b
2.
d
3.
c
4.
a
5.
b
6.
b
7.
d
8.
d
9.
b
10.
c
11.
b
12.
c
13.
b
14.
b
15.
c
16.
a
17.
b
18.
c
19.
b
20.
d
NETWORKING- ANSWERS
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
d
b
a
c
d
d
b
a
b
d
C ++ Answers
1.
a
2.
c
3.
b
4.
c
5.
d
6.
a
7.
c
8.
d
9.
d
10.
b
11.
d
12.
b
13.
a
14.
a
15.
a
16.
c
17.
d
18.
c
19.
a
20.
b
Data Structures - Answers
1.
c
2.
a
3.
c
4.
b
5.
b
6.
a
7.
a
8.
b
9.
c
10.
b
11.
b
12.
a
13.
a
14.
b
15.
a
16.
b
17.
a
18.
c
19.
b
20.
a
JAVA- answers
1.
b
2.
b
3.
d
4.
d
5.
c
6.
b
7.
d
8.
a
9.
b
10.
d
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