ABSTRACT

The subject of computer organization is a little strange to study. A great deal of effort must be expended to first learn all of the preliminary material, before a person can actually start explaining the core material. The processor is a sequential circuit. It is difficult to describe micro-programmed control, at this point, in any better detail. It becomes much easier to describe it after people have examined hardwired control. Processors are algorithmic machines; they execute an algorithm continuously. The algorithm, to which people refer, is the machine cycle. Algorithmic design uses a sequencer to implement timing. The control bus was used to broadcast the operation required by the central processing unit to all bus devices. The address bus was, then, needed so that each device could determine whether it was the target of the request. The register number is given in the instruction as the destination field, and the memory address is given as the address field.