desktop machine but in most cases the monitor is built in. The printer is usually
separate.
The Workstation
is a computer that fits on a desktop, but is more powerful than a
desktop computer. The workstation has a more powerful microprocessor, is able to
service more than one user, has an easy to use interface and is capable of
multitasking. While these three characteristics used to be unique to workstation,
they are being adapted to the more powerful 386 and 486 personal computers over
time.
Workstations are designed for three major tasks: scientific and engineering, office
automation and education.
The Minicomputer
, or mini, is a versatile special or general-purpose computer
designed so that many people can use it at the same time. Minis operate in ordinary
indoor environments; some require air conditioning while others do not. Minis also
can operate in less hospitable places such as on ships and planes.
Like all computers, the minicomputer is designed as a system. CPUs, terminals,
printers and storage devices can be purchased separately. Mini systems are more
mobile, easier to set up and install. A minicomputer system combined with
specialized equipment and peripherals is designed to perform a specific task. A
popular minicomputer is the Digital VAX Computer.
Mainframe is the largest general-purpose computer. It is designed to be used by
hundreds even thousands of people. A mainframe uses the same basic building
blocks of a computer system: the CPU, various I/O devices and external memory.
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