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Test your basic knowledge |
C# Programming Basics
Start Test
Study First
Subject
:
it-skills
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
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. Field whose value can never change. Declared with 'const' keyword
uint - .NET alias
Relational Operator
Boolean - Size
Constant
2. The "Type" name of data that is stored on the Stack
Incrementing / Decrementing Variables
Value Type
int - .NET alias
Operator
3. System.Int64
Polymorphism
long - .NET alias
C#
double - .NET alias
4. System.SByte
uint - Size
sbyte - .NET alias
Object
If Statement
5. 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
Int32 - Size
Heap
Inheritance
Namespace
6. 64 bit double precision floating point data
using
Double (or double) - Size
char - Size
C#
7. A Class that cannot be instantiated.
Static Class
CLR
Variable
Operator
8. Calculation whose result is either true or false but cannot be both E.g. == Equal to. != Not Equal too. < Less than. <= Less than of equal to. > Greater than. >= Greaten than or equal to. && AND (Conditional) ->|| OR (Conditional)
Heap
Constructor
Dot Notation
Boolean Operator
9. Documentation text embedded within code which is not to be run as code. Two types single and multiple: single // multiline / insert comment here /
Comments
Derived Class
Visual Studio Solution
Statement
10. A standardized (ECMA) language for creating Windows .NET applications and services and libraries - with a syntax similar to Java and C++.
Unary Operator
Inheritance
C#
Comments
11. Access is limited to the current Assembly and Derived Types
Array
Namespace
Comments
Protected Internal Access Modifier
12. Four things common to all software development: _______ - Flow of Control - Identifiers & Arguments - Testing / Debugging
r
sbyte - .NET alias
Data structures
Keyword
13. The process of compiling IL source into CPU-native code for execution.
Just-in-time (JIT
byte - .NET alias
Constructor
Statement
14. Specifies that the Method includes no implementation and must be overridden in a deriving class - where it will get its definition. Can only be part of an Abstract Class.
Encapsulation
Abstract Method Modifier
Object
Method
15. If (boolean expression) //true -> statement 1 statement1; else //false -> statement2 statement; //else statement2 optional
long - .NET alias
If Statement
JITer
Relational Operator
16. A method that is called whenever an Object is created. The method uses the same name as the Class.
short - .NET alias
Constructor
Class aka Type
Stack
17. Instance of a type created when a program runs. Can be visible or invisible. Has properties and events and methods. Properties- determine appearance. Events - trigger a response. Methods - something the object does
Object
Double (or double) - Size
Encapsulation
Base Class
18. count = count+1 or count++ or count__. Both count variables are Unary Operators
Incrementing / Decrementing Variables
Framework Class Library (FCL)
Object
Double (or double) - Size
19. Most common kind of reference type. They define objects. They must have at least one method and one field.
IDE
Class aka Type
sbyte - Size
Textbox
20. Command which runs repeatedly while (some) condition is true.
Operator
Visual Studio Solution
While Statement
ulong - .NET alias
21. The act of generalizing or thinking about an object in general terms. The act of identifying the data members and behavior of a Class.
Dot Notation
Abstraction
long - Size
Field
22. Text as Unicode characters
Operator
String (or string)
Statement
r
23. Something an object can do. A named sequence of events. Should always have a meaningful name eg calculateIncomeTax.
Method
r
Abstraction
short - Size
24. The CLR tool used for just-in-time compilation which converts IL code to CPU specific code.
Program
While Statement
JITer
JIT
25. The .NET run-time environment that enables code to be compiled and executed.
Common Language Runtime (CLR)
String (or string)
uint - Size
Partial Class Modifier
26. System.Single
int - .NET alias
Program
returnType methodName (parameterList)
float - .NET alias
27. Restricts access to a Member to the current Class.
Precedence
Just-in-time (JIT
Private Access Modifier
ushort - Size
28. 16 bit- unsigned word (U+0000 to U+ffff)
char - Size
byte - Size
Constructor
Syntax
29. 64 bit integer data
long - Size
JITer
Comments
Polymorphism
30. Names reserved by the compiler that coders are not allowed to use as identifiers.
Keyword
Base Class
Unary Operator
C# mark Up Language X.A.M.L(Extensible Application Markup Language)
31. Represents the encapsulation of data and behaviors into a single unit.
While Statement
Statement
Class
Namespace
32. The concept of defining subclasses of data objects that share some or all of the parent's class characteristics - enabling the reuse of code.
Protected Internal Access Modifier
Inheritance
Encapsulation
Visual Studio Solution
33. System.Decimal
decimal - .NET alias
Boolean - Size
Variable
Precedence
34. 64 bit - unsigned integer data
ulong - Size
Value Type
Relational Operator
Double (or double) - Size
35. System.UInt64
Constructor
ulong - .NET alias
Int64 - Size
Inheritance
36. 128 bit fixed precision (financial)
Partial Class Modifier
Decimal (or decimal) - Size
Equality Operator
CLR
37. Implies that the programming language places severe restrictions on the intermixing that is permitted to occur - between objects or data of different types.
Overloaded Method
Float (or float) - Size
Method
Strong Typing
38. 16 bit - unsigned integer data (0 to 65535)
ushort - Size
Double (or double) - Size
uint - Size
Variable
39. Code which implements GUI (graphical User Interface).
Private Access Modifier
C#
C# mark Up Language X.A.M.L(Extensible Application Markup Language)
Assignment Operator
40. Series of instructions which tell a computer what to do.
Namespace
Program
Identifiers
JITer
41. The lowest level or fundamental data types needed for representing data.
Primitive Type
Value Type
Intermediate Language (IL)
Heap
42. Allows the definition of a Class to span multiple files (within the same Project)
Partial Class Modifier
char - .NET alias
Stack
Primitive Type
43. 8 bit - signed byte (-128 - 127)
sbyte - Size
char - Size
Double (or double) - Size
Strong Typing
44. Code which signifies a carriage return. Symbolises a new line in a text box.
r
Method
Conditional Operator
Variable
45. Runs in a command prompt window rather than a GUI (graphical User Interface) one.
bool - Size
String (or string)
Console Application
Variable
46. System.Byte
Precedence
ulong - .NET alias
Sealed Class
byte - .NET alias
47. Container for one or more Visual Studio Projects.
Visual Studio Solution
Console Application
Polymorphism
csc.exe
48. Block of memory for storing local variables and parameters. Automatically grows and shrinks as function is entered and excited.
Assembly
C# mark Up Language X.A.M.L(Extensible Application Markup Language)
Stack
Expression
49. 32 bit integer data
Properties
long - Size
int - Size
IDE
50. 16 bit - signed integer data (-32768 to 32767)
ulong - Size
short - Size
Protected Access Modifier
Class aka Type
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