(computer science) the part of a computer (a microprocessor chip) that does most of the data processing; the CPU and the memory form the central part of a computer to which the peripherals are attached
This term has two meanings, but the most widely used definition is "Central Processor Unit" It is the main chip on the computer that makes everything go Also known as the "brain" of a computer Well known manufacturers are Intel (Pentium) and AMD (K7) Crash Your computer or application no longer works correctly and so you "lose" all the work you've done since the last time you saved