Read the following email of proposal where a manager in a bank's call centre (Peter) is asking his manager (Sally) to approve a proposal to enroll his staff on a three day sales training course. From the context, try to guess what the meaning of the words/phrases in bold are.
It spun out of control because part of the software assumed Imperial units and another part assumed metric units. The units by which we now measure physical quantities is called the S.I. (System International) system established in 1960. Within this system, the most commonly used set of units in physics are M.K.S (Metres, Kilograms, Seconds) system. The basic units are shown in Table.
The SI System of Measurement. A system of units is a class of units defined by composition from a base set of units, such that every instance of the class is standard unit for a physical dimension and every physical dimension has an associated unit. A measurement of any physical quantity must be expressed as a number followed by a unit.