Univac 48 64 4 32768 256 16384 1000000 1000000 16000

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Unformatted text preview: that defined the Personal Computer Business early on the Xerox IBM Commodore Texas Instrument Osborne MITS AT&T Compaq Toshiba Hitachi Sinclair Hewlett Packard Sony Apple Microsoft SWTP Comparison Shopping How do they rate in cost and performance? performance Year Name Performance (adds/sec) 1951 1964 1965 1976 1981 1991 Univac I 1,900 IBM S360 500,000 PDP-8 330,000 Cray-1 166,000,000 IBM PC 240,000 HP9000/750 50,000,000 Memory Price Price/Performance (KB) (dollars) (vs. UNIVAC) 48 64 4 32,768 256 16,384 1,000,000 1,000,000 16,000 4,000,000 3,000 7,400 1 263 10,855 21,842 42,105 3,556,188 Moore’s Law • In 1965, Gordon Moore predicted that the number of transistors that can be integrated on a die would double every 18 to 24 months (i.e., grow exponentially with time). • Amazing visionary – million transistor/chip barrier was crossed in the 1980’s. – 2300 transistors, 1 MHz clock (Intel 4004) 1971 – 42 Million, 2 GHz clock (Intel P4) - 2001 – 140 Million transistor (HP PA-8500) Source: Intel web page (www.intel.com) Moore’s Law has it’s effect Clock Frequency Clock Lead microprocessors frequency doubles every 2 years 10000 2X every 2 years Frequency (Mhz) 1000 P6 100 486 10 8085 1 0.1 1970 8086 286 Pentium ® proc 386 8080 8008 4004 1980 1990 Year Courtesy, Intel 2000 2010 Growth Speed of Key Technologies Obeys Moore’s Law Obeys Today’s Price/Performance Today’s Over 3 Billion operations per second costs less than $1000 Memory is measured in Megabytes/Gigabytes….not Kilobytes Magnetic Storage is measured in Gigabytes and Terabytes …soon to be Petabytes Communications speeds are measured in Megabits per second, not Kilobits or even lower And so it continues !!!...
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This note was uploaded on 02/10/2014 for the course POLS 1090 taught by Professor Smardon during the Winter '11 term at York University.

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