Questions

Biotin is a water-soluble B vitamin, also called vitamin B7 and formerly known as vitamin H or coenzyme R.

The unit of energy in MKS system is Joule.

A tenant farmer is one who resides on land owned by a landlord. These farmers would have to share the yield with the landowner in a process known as sharecropping. In the South, these farmers need to have their own tools and animals.

The address bus is unidirectional because the address information is always given by the micro processoe  to address a memory location of an input / output devices.