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Computer Systems Fundamentals - Essay Example

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1. [Year:2000, Month: Jan 19] Transmeta launch their new 'Crusoe' chips. Designed for laptops these provide comparable performance to the mid-range Pentium II chips, but consume a tiny fraction of the power. This new competitor to Intel in the x86 market initially appeared exciting and promising.
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Computer Systems Fundamentals
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Download file to see previous pages released their RSA algorithm into the public domain, in advance of the US patent (#4,405,829) expiring on the 20th Sept. of the same year. Following the relaxation of the US government restrictions earlier in the year (Jan. 14) this removed one of the last barriers to the world-wide distribution of much software based on cryptographic systems. It should be noted that the IDEA algorithm is still under patent and also that government restrictions still apply in some places.
11. [Year:2004, Month: Apr 14]nVidia releases GeForce 6800, claiming it is the biggest leap in graphics technology the company ever made. Independent reviews show more than 100% increase in productivity compared with the fastest card on the market. Continuing the tradition, nVidia demonstrates Nalu, a mermaid with extremely realistic hair. A few weeks later nVidia's main rival ATi announces X800 with nearly the same level of performance and feature support. The card is showcased by the Ruby demo, delivering a smooth real-time rendering of what was previously in the exclusive realm of prerendered cinematics.
Memory speeds are written in different formats depending on the type of memory technology your computer uses. FPM and EDO speeds are written in nanoseconds (ns). SDRAM, DDR, and DDR2 speeds are written in megahertz (MHz) Here is a rough guide to relative memory speeds:
i. Memory Speed
Technology
Speed
Module Bandwidth
SDR
PC100
0.8 GB/sec
SDR
PC133
1.0 GB/sec
DDR
PC1600
1.6 GB/sec
DDR
PC2100
2.1 GB/sec
DDR
PC2700
2.7 GB/sec
DDR
PC3200
3.2 GB/sec
DDR
PC4000
4.0GB/sec
DDR2
PC2-3200
3.2GB/sec
DDR2
PC2-4200
4.2GB/sec
DDR2
PC2-5300
5.3GB/sec
DDR2
PC2-6400
6.4GB/sec
Source: See http://www.crucial.com/crucial/pvtcontent /memorytype.aspmodel=&memtype=CHOOSE
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