A processor is a miniaturized central processing unit a in digital system that interconnects and controls the activities of other components in the device.
The components of a microprocessor are the bus, registers, cache memory, arithmetic and logical unit and the central or control unit.
The bus is the transportation medium for all activities in the processor. The registers like the accumulator and the B register are memory locations used to hold the operand of an operation.The cache memory holds data meant for immediate use by the processor. Arithmetic and logical unit carries out the various arithmetic and logical operation in the processor, while the control unit is responsible for handling or managing all activities in the processor.
Most computer devices are connected to the computer through port Keyboard through usb port Printer through usb port Hand point device through usb port Also computer equipped with LPT port for printers and COM port for additional devices like external modems e.t.c
