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Explanation:
Formal; A formal information system is based on
the organization represented by the organization chart.
Informal; The informal information system is
employee based system designed
to meet personal and vocational needs
and to help in solution of work-related problems.
function myFunction(num){
n = 0;
total = 1;
while (n < num){
total *= (num - n);
n+=1;
}
return total;
}
alert(myFunction(6));
I'm not too proficient in JavaScript but here's what the function would look like. I hope this helps!