What is Unit:
Unity comes from the Latin term unite and designates the quality of what is unique and indivisible. It is what is considered individually and not in plural.
Unity can mean the Human value to stay united and supportive with other groups of people.
Unity also refers to the union of the components with a certain homogeneity or identity. A Military unit It is an organization made up of soldiers belonging to the same fraction of a military system. A hospital is made up of several units, the ICU (Intensive Care Unit) being one of them.
Unity in different areas generally refers to its basic measurable concept expressed in a minimal way. For example, the monetary unit or currency, which is the type of currency used in a region or country; the astronomical unit, which is approximately equivalent to the average distance between the Earth and the Sun; the unit in a book text, which is a topic, lesson or chapter of that book.
In math, The unit is represented by the number one (1). It is the element from which the rest of the natural numbers are constructed. Two is the successor of one (or the sum of two units), three is the successor of two (or the sum of three units), and so on.
In sciencesis designated as unit of measurement to the physical quantity that serves as a reference for a certain measurement. For example, the meter of length, the kilogram of mass, the second of time. He International System of Units It tries to unify the units of measurement. It is a system used in most countries in the world. The United States is an example of one of the few exceptions.
In computingthe disk drive refers to that device or apparatus that performs reading and writing operations on disk-shaped storage media or supports, referring to hard disk drives, flexible disk drives (floppy disks), optical disk drives (CD, DVD, HD DVD or Blu-ray) or magneto-optical disk drives (Zip disks, Jaz disks, SuperDisk).