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C# Programming Basics

Subject : it-skills

Instructions:

Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
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This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. (&& or || or & or |)
Conditional Operator
Program
char - .NET alias
Unary Operator

2. A standardized (ECMA) language for creating Windows .NET applications and services and libraries - with a syntax similar to Java and C++.
Operator
Double (or double) - Size
C#
C# mark Up Language X.A.M.L(Extensible Application Markup Language)

3. 8 bit - unsigned byte (0 - 255)
Int64 - Size
short - .NET alias
Textbox
byte - Size

4. System.Double
Value Type
Framework Class Library (FCL)
Expression
double - .NET alias

5. Integrated Development Environment
Public Keyword
IDE
Method
Inheritance

6. System.Int16
Identifiers
short - .NET alias
Inheritance
short - Size

7. Allows a class to define multiple implementations of a method based on the number and types of arguments passed (Overloading).
Static Class
Internal Access Modifier
While Statement
Polymorphism

8. Four things common to all software development: _______ - Flow of Control - Identifiers & Arguments - Testing / Debugging
uint - Size
Data structures
using
Heap

9. System.UInt32
While Statement
Reference Type
uint - .NET alias
Array

10. 64 bit integer data
Operator
long - Size
double - .NET alias
Unary Operator

11. A method that is called whenever an Object is created. The method uses the same name as the Class.
Stack
Syntax
Method
Constructor

12. System.Byte
Equality Operator
byte - .NET alias
Primitive Type
Int64 - Size

13. System.UInt64
Partial Class Modifier
double - .NET alias
ulong - .NET alias
Label

14. Field whose value can never change. Declared with 'const' keyword
Class
Decimal (or decimal) - Size
Constant
Visual Studio Solution

15. Container for one or more Visual Studio Projects.
Polymorphism
FCL
Visual Studio Solution
Float (or float) - Size

16. true or false
bool - Size
Incrementing / Decrementing Variables
Namespace
short - .NET alias

17. The act of generalizing or thinking about an object in general terms. The act of identifying the data members and behavior of a Class.
Abstraction
Comments
Overloaded Method
Strong Typing

18. (< or > or <= or >=)
Relational Operator
Operator
Parameter aka Argument
Object

19. 32 bit - unsigned integer data
Incrementing / Decrementing Variables
DateTime
uint - Size
ulong - .NET alias

20. Names reserved by the compiler that coders are not allowed to use as identifiers.
Framework Class Library (FCL)
Keyword
Static Class
Method

21. System.Char
Derived Class
sbyte - Size
Stack
char - .NET alias

22. The output produced by the C# Compiler - typically a .dll or .exe. Produced by a Project in Visual Studio
char - Size
Variable (C# requirements)
bool - Size
Assembly

23. Represents date and time data with a 100 ns resolution
uint - Size
Expression
NET
DateTime

24. A symbol that specifies an operation to be performed on one or more variables.
double - .NET alias
int - Size
Operator
Static Member

25. Only requires one operand usually a count+1 or a count++ or a count--
W.P.F
Window.xaml.cs
Variable
Unary Operator

26. A Class that inherits characteristics from another Class.
int - .NET alias
Window.xaml.cs
Derived Class
Partial Method Modifier

27. Object Oriented Programming relies on dot.notation. Dot Notation enables public methods to be fully accessible from outside an object. Member names are separated by a dot (.). Syntax is method-defined-in-class.bject-in-runtime-of-class
Dot Notation
using
Operator
Expression

28. Sits behind GUI (Graphical User Interface) and provides event listeners
Partial Method Modifier
Private Access Modifier
Window.xaml.cs
Constant

29. Runs in a command prompt window rather than a GUI (graphical User Interface) one.
Double (or double) - Size
Assembly
Object
Console Application

30. Groups classes together so that they have a unique identifier
Expression
Inheritance
int - .NET alias
Namespace

31. 64 bit integer data
Int64 - Size
csc.exe
Syntax
Inheritance

32. The result of successful compilation of source code written in any .NET targeted language - e.g. C# or Visual Basic or C++.
Intermediate Language (IL)
Common Language Runtime (CLR)
Syntax
Object

33. Something an object can do. A named sequence of events. Should always have a meaningful name eg calculateIncomeTax.
Method
Class Statement
Field
char - .NET alias

34. Box which can be typed into at runtime. Can display large amounts of scrollable text for the user. To create a scrollable one in Visual Studio set the multiline property to 'TRUE' and the Scrollbars property to 'VERTICAL'.
Partial Method Modifier
byte - .NET alias
JITer
Textbox

35. System.Single
Abstraction
returnType methodName (parameterList)
float - .NET alias
int - Size

36. Names used to identify program elements (e.g. namespaces & classes & methods & variables). Must always start with a letter. Always case sensitive. When multiword must be presented in CamelCase. keywords are an example of an identifier.
Parameter aka Argument
bool - Size
Identifiers
Operator

37. Symbols which transform and combine expressions
Heap
Namespace
Operator
Strong Typing

38. When a sub class passes down all the behaviours of the original parent class
Object
Incrementing / Decrementing Variables
Statement
Inheritance

39. 128 bit fixed precision (financial)
FCL
Decimal (or decimal) - Size
Program
Int64 - Size

40. A Member that cannot be accessed/invoked through an Object Instance.
Static Member
Public Keyword
Static Class
Statement

41. The process of hiding and restricting access to the implementation details of a data structure.
Encapsulation
uint - Size
Program
Public Keyword

42. Something that has a different number of parameters to it's predecessor
Overloaded Method
ulong - Size
Class
Comments

43. Text as Unicode characters
Abstract Method Modifier
Statement
String (or string)
int - Size

44. Most common kind of reference type. They define objects. They must have at least one method and one field.
Conditional Operator
Data structures
Class aka Type
Public Keyword

45. Access is limited to the current Assembly
Encapsulation
Internal Access Modifier
References (Visual Studio Solution
Syntax

46. Contains the class definitions that allow access to the functionality provided by .NET.
Console Application
Comments
Framework Class Library (FCL)
float - .NET alias

47. Just-in-time compilation
Partial Class Modifier
Syntax
C#
JIT

48. Block of memory where objects live. Whenever a new object is created it is allowed onto the heap. Old objects are regularly deallocate from the heap to save available memory
ulong - Size
Heap
Expression
Textbox

49. Un-orderd sequence of elements of the same type. Stores a fixed number of static elements of a particular type.
Array
Constant
Encapsulation
Derived Class

50. The concept of defining subclasses of data objects that share some or all of the parent's class characteristics - enabling the reuse of code.
Inheritance
Unary Operator
Static Member
Assignment Operator

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C# Programming Basics

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