| The von Neumann (CISC) architecture employs a single bus. CISC stands for Complex Instruction Set Computer. A single-bus system is illustrated. The Harvard (RISC) architecture utilizes two busses - a data bus and a separate address bus. RISC stands for Reduced Instruction Set Computer. Relationships are shown between the CPU, DRAM, local bus, and the peripherals which connect to the motherboard. The ISA bus, SCSI Bus, PCI bus and USB Bus are shown. Some typical computer parameters are given, along with a Graphics Resolution chart. |
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