Lecture02 computer applicationsie1_dratifshahzad
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Computer Application in Industrial Engineering: Programming C# for Engineers
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Lecture02 computer applicationsie1_dratifshahzad
- 1. DR ATIF SHAHZAD Computer Applications in Industrial Engg.-I IE-322 LECTURE #02
- 2. Computer Applications in Industrial Engg.-I IE322
- 3. …Recap 9/27/2018 Dr.AtifShahzad • Page 1 • Interacting with Computers • What is Programming? – Programming Paradigms – Motivation & Extent • Object oriented programming – Motivation--Reuse – Concepts • .NET framework CLR as aVM Source Code Managed Code MSIL Executable JIT Compiler Machine Code Machine Language Assembly Language High-Level Language Inheritance Encapsulation Polymorphism
- 4. What we will see… 9/27/2018 Dr.AtifShahzad • Installation of VS2017 Community Edition on your System • IDEWalkthrough
- 5. Meanwhile the installation progresses we will see… 9/27/2018 Dr.AtifShahzad • Program structure and sequence • Arithmetic operators • Formatted output • WriteLine(),Write(),ReadLine(),Read() • DataTypes – bool,byte,char,double,float,int,long,short,uint,ulong, ushort • Initialization of variables • Your Examples • Q&A
- 6. And… 9/27/2018 Dr.AtifShahzad • Escape Sequence • Comments,multi-line comments,Good practices • var keyword • Convert (data type conversion) • Strings • Operator precedence • Your Examples • Practice Quiz • Q&A
- 7. Computer Applications in Industrial Engg.-I IE322
- 16. Creating a Console App IE322
- 33. Meanwhile the installation progresses we will see… IE322
- 34. Meanwhile the installation progresses we will see… 9/27/2018 Dr.AtifShahzad • Variables • DataTypes – bool,byte,char,double,float,int,long,short,uint,ulong, ushort • Program structure and sequence • Comments,multi-line comments,Good practices • WriteLine(),Write(),ReadLine(),Read() • Initialization of variables • Formatted output • Your Examples • Q&A
- 35. Variable 9/27/2018 Dr.AtifShahzad • A named area of computer memory. –think of it as a named box that stores data (including numbers and text) , for a program to access as needed.
- 36. Variable 9/27/2018 Dr.AtifShahzad • variable named side whose current value is 50.
- 37. Variable 9/27/2018 Dr.AtifShahzad When you create a variable, your program sets aside enough memory to hold the value of the variable And tags the allocated memory with that variable’s name. After creating a variable, you can use its name in your program to refer to the value it represents.
- 38. Data type of a variable Dr.AtifShahzad 38 Data types are sets (ranges) of values that have similar characteristics.
- 39. Data types Dr.AtifShahzad 39 DataTypes DefaultValue MinimumValue MaximumValue sbyte 0 -128 127 byte 0 0 255 short 0 -32768 32767 ushort 0 0 65535 int 0 -2147483648 2147483647 uint 0u 0 4294967295 long 0L -9223372036854775808 9223372036854775807 ulong 0u 0 18446744073709551615 float 0.0f ±1.5×10-45 ±3.4×1038 double 0.0d ±5.0×10-324 ±1.7×10308 decimal 0.0m ±1.0×10-28 ±7.9×1028 bool false Two possible values: true and false char 'u0000' 'u0000' 'uffff' object null - - string null - -
- 40. C#-- A quick code walkthrough 9/27/2018 Dr.AtifShahzad 40
- 41. And… 9/27/2018 Dr.AtifShahzad • Arithmetic operators • Operator precedence • Escape Sequence • var keyword • Convert (data type conversion) • Strings • Your Examples • Practice Quiz • Q&A
- 42. A Quick question 9/27/2018 Dr.AtifShahzad Fill the blanks to have x equal 15
- 43. A Quick question 9/27/2018 Dr.AtifShahzad Fill the blanks to have x equal 15
- 45. 9/27/2018 Dr.AtifShahzad 45 NEVER hesitate to contact should you have any question Dr.Atif Shahzad