Mid term Note

Mid term Note - C hapter 5 Moors Law P93 Definit ion faster...

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Chapter 5 Moors’ Law ( P93) Definition: faster and cheaper computing Application in seminconductor industry Chips Processor, next generation chips should be twice as fast in 18 months In a year and half, chips that are same speed as today’s model should be half price. Solid state electronic: less energy consumed Chip based memory: Random Access memory. Volatile memory, lost when power went out; (inside your personal PC) Non volatile memory, permanent storage, fast access Flash memory, slower than RAM, but portable. Optical Fiber line doubles the storage every 9 months. Influence on businesses: -Rapid obsolescence of computing equipment, budget (neg) -rapid increase in performance, opportunity (positive) Bits: expressed in 1 and 0, 8 bits 1 byte 1 KB: thousand bytes, 2^10 b 1 MB: one million bytes, 2^20 b 1 Gb: one billion bytes, 2^30b 1 Tb: one trillion b, 2^40 1 Pb: one quadrillion, 2^50 1 Eb: one quintillion, 2^60 1 Zb: one sextillion, 2^70 Telecommunication capacity (Bandwidth) is listed as bits per second (bps)
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This note was uploaded on 04/13/2011 for the course MGCR 331 taught by Professor Animesh during the Winter '08 term at McGill.

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Mid term Note - C hapter 5 Moors Law P93 Definit ion faster...

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