Computers became essential in the workplace for the sole reason that they are able to do tedious and repetitive jobs far faster and efficient than humans, say for an example, sorting documents. A computer would be able to sort a 1000 documents by date far faster than a human could. Also, computers were able to take away some of the paper on your desk, increasing productivity and making your office look tidier.
The characteristics of a mainframe computer include functioning as a virtual computer and running several operating systems at any given time. Mainframe computers are essential in larger workplaces.
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They consume less power and have no moving parts.
More workplaces are using Computers, and Computer related devices to speed production, reduce cost and unfortunately reduce the required workforce.
They are more formal.
The invention of the microprocessor
NO! It is mandatory in all workplaces.
Because most modern workplaces rely on technology to function. eg Computers, phones, Videoconferencing, Finance systems, databases, e-sales
Computers are used in stock control to monitor the daily changes on the stock market. Computers are essential in participating in the stock exchange online.
The invention of the microchip is the event that spurred computers on to become as tiny as possible.
1990