Harvard architecture Reference Libraries
The Central Processing Unit (CPU) is the processor component of a computer system that carries out the instructions of a program. It is the primary element carrying out the computer's functions and the unit that reads and executes basic program instructions. The form, design, and execution of CPUs have radically changed since the earliest examples, but their elementary operation remains very...
- An evil spirit; a devil.
- A nightmare.
- In astrology, the twelfth house of a scheme or figure of the heavens: so called from its signifying dreadful things, such as secret enemies, great losses, imprisonment, etc.