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Introduction to-programming

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Ratchanon Deehomsin
Ratchanon Deehomsin

This document provides an introduction to programming concepts. It defines programming as dealing with computer languages and visual basic as a tool created by Microsoft to build graphical user interface applications. It discusses flowcharts as a graphical representation of step-by-step instructions to solve a problem and algorithms as a set of instructions to solve a problem. It also defines operators, variables, loops, and provides examples of arithmetic, relational, and logical operators. Finally, it shows examples of a flowchart and algorithm that use variables and conditions.

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Introduction to Programming What is Programming ? Programming deals with the study of computer language What is a Visual Basic? Visual Basic (Vb) is a tool created by Microsoft to build a computer application in a user-friendly environment thatsupports Graphical User interface GUI Graphical User Interface Flowchart A graphical representation of step bystep instructions tosolve a problem. Algorithun A set of step by step instruction tosolve aproblem. Operator An enqine used to perform logical andmathematical operations. Variable Amemory storage/container Loop An action thatrepeatedly and continuously performuntil a certain condition is done. Operators: 1)Arithmetic operators + Addition - Subtraction * Multiplication] / Division 2.) Relational Operatior
> greater than < Less than >= greater thanor equal to <= less than or equal to ===or==or= equal to <>or!= not equal to 3.) Logical operators || OR || && AND
Flowchart Algorithm Variables Preparation ex: 1.) ex: 2.) x=5 x=5 collect materials x=6 x=6 Variable :x,y z =x+y z =x+y Condition : Z = x+y Print ? Is? less than 100% Yes or No If true, then re-start The operation Is Z less than100? Else is fales Yes or No Display ? Then End the Operation If true, re-sport the Operation Else is false Display result Then End operation Start INPUT Process Condition Out put END

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  • 1. Introduction to Programming What is Programming ? Programming deals with the study of computer language What is a Visual Basic? Visual Basic (Vb) is a tool created by Microsoft to build a computer application in a user-friendly environment thatsupports Graphical User interface GUI Graphical User Interface Flowchart A graphical representation of step bystep instructions tosolve a problem. Algorithun A set of step by step instruction tosolve aproblem. Operator An enqine used to perform logical andmathematical operations. Variable Amemory storage/container Loop An action thatrepeatedly and continuously performuntil a certain condition is done. Operators: 1)Arithmetic operators + Addition - Subtraction * Multiplication] / Division 2.) Relational Operatior
  • 2. > greater than < Less than >= greater thanor equal to <= less than or equal to ===or==or= equal to <>or!= not equal to 3.) Logical operators || OR || && AND
  • 3. Flowchart Algorithm Variables Preparation ex: 1.) ex: 2.) x=5 x=5 collect materials x=6 x=6 Variable :x,y z =x+y z =x+y Condition : Z = x+y Print ? Is? less than 100% Yes or No If true, then re-start The operation Is Z less than100? Else is fales Yes or No Display ? Then End the Operation If true, re-sport the Operation Else is false Display result Then End operation Start INPUT Process Condition Out put END