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Introduction to programming
1. Introduction to Programming
What is programming?
Programming – deal 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 that supports
Graphical User Interface.
GUI – Graphical User Interface.
Flowchart – A graphical representation of step by step
instructions to solve a problem.
Algorithm – A set of step by step instruction to solve a problem.
Operator – An engine used to perform logical and mathematical
operations.
Variable – A memory storage / container.
Loop – An action that repeatedly and continuously perform until a
certain condition is done.
Operators:
1.)Arithmetic operators
+ Addition
- Subtraction
* Multplication
2. / Division
2.)Relational operator
> greater then
< less than
>= greater than or equal to
<= less than or equal to
===or==or= equal to
<>or!= not equal to
3.)Logical operator
|| OR
&& AND
Flowchart Algorithm Variable
preparation Ex. X = 5 , y = 6 Z x
+ z Print …?
Collect materials
Variable : x,y
Z = x + y
Is Z less than 100?
Yes or No
Is … ? less than
100? Yes or No
If ture, re-stort the
operation Else if
false Display result
If ture, re-stort the
operation Else if
false Display … ?
start
input
Process
conditi
on
output