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Published byHillary Glenn Modified over 9 years ago
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CPU is the “brains” of the computer Interprets and carries out all the commands issued to it by the SW instructions
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386-PIV Pentium D Pentium M Centrino Intel Core Duo Intel Core 2 Duo Celeron
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1 million times faster to get items from RAM than to get them from the hard drive Holds instructions for programs that are running; also current data; and any intermediate results
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Types: DRAM SDRAM DDR SDRAM RDRAM SRAM MRAM VRAM SGRAM
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Memory modules SIMMs DIMMs 168-pin DIMMs - -> SDRAM 184-pin DIMMs - -> DDR SDRAM 240-pin DIMMs - -> DDR2 SDRAM RIMMs
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Super fast RAM that holds the “most likely to used next” data
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Permanent storage Capacity & spindle speed Interfaces (controllers) IDESCSISATA EIDEWide SCSInewest type Fast ATAFast SCSIless susceptible to interference ATAUltra Widedata transfer rate (300 MBps) close to that of etc.Ultra 2 Wide Ultra SCSI (320 MBps) etc. 300 MBps = 2400 Mbps compared to USB 2.0 at 480 Mbps and FireWire 800 at 800 Mbps
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These 50 stacked 24”-diameter platters could have held about 2 iTunes songs. (The total capacity was 5MB.)
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1X DVD drive speed = about 9X CD drive speed 1X DVD = 3.8 MBps = 1385 KBps 1X CD = 150 KBps Blu-Ray vs HD DVD 20 th C. Fox Warner Brothers Walt Disney Pictures New Line Cinemas MGM Universal Studios Warner Brothers HBO * Paramount Pictures * DreamWorks Animation Apple MS
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USB & FireWire USB 1.1 => 12 MbpsFireWire 400 => 400 Mbps USB 2.0 => 480 MbpsFireWire 800 => 800 Mbps FireWire USB
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VGA
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DVI & S-video - high quality connections which allow a pure digital signal to run to a digital flat-panel monitor DVI S-video
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Parallel port Serial port
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802.11b: 2.4 GHz 11 Mbps 802.11a: 5.0 GHz 54 Mbps 802.11g: 2.4 GHz 54+ Mbps 802.11n: 2.4 or 5.0 GHz 108+ Mbps
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PlatformBluetooth Wi-Fi / EthernetBattery Card readersSpeakers Software & OS Drive bays DisplayPrinter Surge protector Router External hard driveWarranty Flash drive, USB drive
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