Hardware components and computers classification

2. Device programmed
to carry out a set of
arithmetic or
logical operations

3. All general-purpose computers require the
following hardware components:
• Memory
• Mass storage device
• Input device
• Output device
• Central Processing Unit(CPU)

6. Computers can be generally classified by
size and power as follows, though there is
considerable overlap:
• Personal Computer
• Workstation
• Minicomputer
• Mainframe
• Supercomputer