– A small, least powerful computer that can perform
all of its input, processing, output, and storage
activities by itself.
• Physical Size
– Small computer that is usually placed on a desk.
– Fast but slower than mainframe; speed is
measured in GHz (Gigahertz).
– Medium size storage; measured in Gigabytes or
– Used mostly by personal users such as office
workers, lecturers, or students to perform daily