“…The 1ESS processor, for example, used 55,000 transistors and 160,000 diodes for a 10,000 subscriber line office. 13 Today the Motorola MC68060 microprocessor has 2.5 million transistors 14,15 and a PowerPC* 604e RISC microprocessor has more than five million transistors. 14,16 Many such microprocessors are used in implementing a modern switching system.…”