Abstract
From the introduction of the ENIAC computer in 1946 until the beginning of this decade, the electronic organization or “architecture” of the computer has consisted of four basic components: a processor, a control unit, memory storage, and input/output units (Fig. 1). The memory holds data and lists of instructions that the processor and control unit use to solve a problem. The input/output units could be conventional devices such as magnetic tapes or hard disks, or external devices such as antennas or a video camera. Continually improving integrated circuit technology, which now allows transistor densities as high as 500,000 devices per integrated circuit, has provided this basic single-processor or “uni-processor” computer architecture the computing horsepower needed to keep up with the increasing information processing demands experienced during the past three decades.
Published Version
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