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Software Development  Training Program KAZIM HUSSAIN
First C# Program ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Parts of a C# Program ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Bits and Bytes ,[object Object],[object Object],[object Object],1 Byte 8 Bits 1 0 0 1 1 1 0 1
Memory allocation 10011001 11111001 01110101 10010101 11000001 10111001 01001110 11000101 Main Memory                
Types of Data: “ Datatypes ” ,[object Object],[object Object],[object Object],[object Object]
Datatypes and size in memory ,[object Object],C# Keyword Size bits/bytes Signed/ Unsigned Type in System Range sbyte 8 bits / 1 byte signed SByte -128 to 127 byte 8 bits / 1 byte unsigned Byte 0 to 255 short 16 bits / 2 bytes signed Int16 -32765 to 32768 ushort 16 bits / 2 bytes unsigned UInt16 0 to 65535 int 32 bits / 4 bytes signed Int32 -2147483648 to 2147483647 uint 32 bits / 4 bytes unsigned UInt32 0 to 4294967195 long 64 bits / 8 bytes signed Int64 -9223373036854775808 to -9223373036854775807 ulong 64 bits / 8 bytes unsigned UInt64 0 to 18446744073709551615
Datatypes and size in memory ,[object Object],C# Keyword Size bits/bytes Significant Figures Type in System Range float 32 bits /  4 bytes 7 Single -3.40282347E38 to 3.40282347E38    1.5 * 10 -45  to  3.4 * 10 38 double 64 bits /  8 bytes 15 Double -1.7976931348623157E308 to 1.7976931348623157E308 5.0 * 10 -324  to  1.7 * 10 308 decimal 96 bits / 12 bytes 28 Decimal -79228162514264337593543950335 to 79228162514264337593543950335 1.0 * 10 -28  to  7.9 * 10 28
Datatypes and size in memory ,[object Object],[object Object],C# Keyword Size bits/bytes Type in System Value bool 8 bits / 1 byte Boolean true and false C# Keyword Size bits/bytes Type in System Value char 16 bits / 2 bytes Char All Unicode Character
Literals ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Literals ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Literals ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Binary Representation ,[object Object],[object Object],[object Object],[object Object]
What is a Variable? ,[object Object],[object Object],Type Name Initial value
Example ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
What is a Identifier? ,[object Object],[object Object]
Rules for Identifiers ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Invalid Identifiers ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Identifiers ,[object Object],[object Object],[object Object],[object Object],[object Object]
What is a Keyword? abstract default foreach null sealed uint as delegate goto object short ulong base do if operator sizeof unchecked bool double implicit out stackalloc unsafe break else in override static ushort byte enum int params string using case event interface private struct virtual catch explicit internal protected switch void checked extern is public this while class false lock readonly throw const finally long ref true continue fixed namespace return try decimal float new sbyte typeof
Casting / Conversion ,[object Object],[object Object]
Casting / Conversion ,[object Object],[object Object],[object Object],[object Object],[object Object]
Casting / Conversion ,[object Object],[object Object],[object Object],[object Object]
Casting / Conversion ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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C Sharp Nagina (1)

  • 1. Software Development Training Program KAZIM HUSSAIN
  • 2.
  • 3.
  • 4.
  • 5. Memory allocation 10011001 11111001 01110101 10010101 11000001 10111001 01001110 11000101 Main Memory                
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  • 9.
  • 10.
  • 11.
  • 12.
  • 13.
  • 14.
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  • 17.
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  • 20. What is a Keyword? abstract default foreach null sealed uint as delegate goto object short ulong base do if operator sizeof unchecked bool double implicit out stackalloc unsafe break else in override static ushort byte enum int params string using case event interface private struct virtual catch explicit internal protected switch void checked extern is public this while class false lock readonly throw const finally long ref true continue fixed namespace return try decimal float new sbyte typeof
  • 21.
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  • 24.