Question

what is mean by SI units​

Answer 1

1 in 1960 at a conference in Paris the si unit were defined

2 the si is based on the metric system originated by French scientists after the French revolution

3 the system is logical and it is widely applied by scientists and others all round the work

4 in physics common units are meters(m) kilograms(kg) and second (s)

5 the metric system uses the decimal system where all units are related by dividing or multiplying by 10

Answer 2

So units help in processing a mother or logic board