Personal Computer

An increasingly general way to get major-league computing power is to connect multiple CPUs into a single system. Depending on exactly how they are attached and what is shared,

Continuing on down to smaller and smaller systems, we come to handheld computers. A handheld computer or PDA (Personal Digital Assistant) is a small computer that fits in a shirt

The operating system is the code that carries out the system calls. Editors, compilers, assemblers, linkers, and command interpreters certainly are not part of the operating system, even though they

Operating systems have two major jobs: providing abstractions to user programs and managing the computer's resources. Mostly, the interaction between user programs and the