Computer Aided Design and
Computer Aided Manufacturing
The digital computer is a major and central
component of a CAD/CAM system, so it is
essential to be familiar with the technology of
the digital computer and the principles on
which it works.
• The physical component units making up a
computer system are often called the hardware.
• The programs are commonly refereed to as the
The three main category of hardware components
• Central Processing Unit (CPU).
• Input/Output devices.
Classification of Computers
Computer classifications. Here are some examples of
computers by their informal classifications.
(a) This Cray supercomputer has been nicknamed Bubbles,
Cray computers have 75 percent of the supercomputer
(b) Mainframe computers
(a) Individuals use personal computers in both the home and
(a) People who work in various locations favor portable