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Introduction to programimg
1. Introductiontoprogramimg
What isprogramimg
Programing-dealswiththe studyof computerlanguage
What isa Visual Basic?
Visual Basic(VB) – isa tool creatd by Microsoft to buildacomputerapplicationinauser-friendly
environmentthatsupportsGraphical UserInterface
GUI – Graphical User Interface
Flowchart–A graphical representationof stepbystepinstructionstosolve aproblem.
Algorithem- A setof stepby step instructiontosolve aproblem.
Operator– Anengine usedtoperformlogical andmathematical operations.
Variable –A memorystorage/container.
Loop – An actionthat repeatedlyandcontinuouslyperformuntilacertainconditionisdone.
Operatoes:
1)Arithmeticoperators
+ addition
- Subtraction
* Multiplication
/ Division
2)Relational Operatior
> greaterthan
< lessthan
>= greaterthan or equal to
<= lessthanoe equal to
=== or == or = equal to
<> or != not equal to
3)Logical operators
|| Or
&& and
2. Flowchart Algorithum Variables
Preparation 1) x=5 2)x=5
Y=6 y=6
Z=x+y z=x+y
Collectmaterial
Variable:X,Y
Print? Conditon:
Is ? less than 100
Yes or No
Z = X+Y If true, then re-start
The operation
Else if flase
Display ?
Is z less than 100? Then End the operation
Yes or No
If true , re-start
The operation
Else if false Display result
Then End operation
Start
input
Process
Condition
output
end