Tag:Hardware

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• List of device bandwidths (163)
  bandwidth hardware reference wikipedia network computer networking speed internet technology performance device list tech storage geek comparison sysadmin computers data bus rate electronics education bandwidths transfer devices interface communication chart
• ASUS Eee PC (63)
  laptop asus eeepc linux eee hardware cheap computer pc wikipedia mobile small notebook technology computers wishlist subnotebook cool tech portable gadgets umpc embedded wiki reference olpc netbook 2007 education laptops
• NSLU2 (62)
  linux nslu2 nas storage hardware linksys networking usb backup wikipedia slug embedded wishlist server opensource hack network hacking computers computer router reference media nslu diy cisco mediaserver cool article debian
• Arduino (47)
  arduino hardware opensource electronics programming robotics embedded microcontroller diy tools gadgets wikipedia interaction tech robots processing engineering development interesting wiki interface avr art atmel openhardware machine dev computing camera computer
• ZigBee (41)
  zigbee wireless hardware network technology networking electronics automation wpan wikipedia wifi tech protocol future sensors mobile reference home embedded diy wiki rfid homeautomation 802.15.4 radio mesh bluetooth robotics networks communication
• Serial ATA (38)
  hardware sata storage wikipedia technology disk computer ata data serial reference pata computers usb wiki encyclopedia esata drive harddrives harddrive interface hard firewire ahci almacenamiento a4---hdd 0705may #gentoo.hu , a%2B_sata_scsi_pata_compared
• Extensible Firmware Interface (36)
  hardware efi firmware bios apple intel wikipedia mac windows computer interface computers boot opensource wiki linux encyclopedia tech tools interesting technology extensible alternative bootloader booting chips basic 2read 122 @toread
• Open source hardware (35)
  hardware opensource wikipedia diy open electronics free freedom openhardware engineering tech arduino interface audio controller foss hack fpga digital, embedded hardware_opensource hembygge difflaw group129 democracy, *n*x article bit200f06 core democratic,
• Dvorak Simplified Keyboard (31)
  dvorak keyboard wikipedia typing computer hardware geek productivity lifehacks usability wiki reference tools layout technology ui keyboards gadgets science tech interesting ergonomics utility pc tutorial wikis typespeed hacks article simplified
• Comparison of Nvidia graphics processing units (29)
  nvidia graphics hardware gpu video computer performance wiki opengl wikipedia comparison card shopping reviews pc util informática 3d games game gforce geforce graphic graphiccardcomparisons gamingpc computers [en] architecture comp:graphics dr_cain
• Raid (28)
  raid storage hardware wikipedia backup reference server data technology linux computer wiki disk work windows sysadmin hard filesystems todo array datastorage drive buildthings chaos bluearc certification backups_and_storage 10 a4---hdd bcmpc
• RAID (28)
  raid storage hardware wikipedia backup reference server data technology linux computer wiki disk work windows sysadmin hard filesystems todo array datastorage drive buildthings chaos bluearc certification backups_and_storage 10 a4---hdd bcmpc
• ARM architecture (28)
  arm hardware embedded architecture wikipedia electronics tech mobile ipod cpu nokia iphone wiki phone processor microprocessor nokia770 chips compu computadores computer-architecture computer assembler arm-basic 770 #debian.hu @wikipedia ac android asm
• List of Intel Core 2 microprocessors (26)
  intel cpu hardware processor core2 wikipedia performance reference core list laptop comparison duo notebook pc 2 computer processors microprocessors tecnologia wiki tdp information coreduo dell chips c2d -eval 0708aug asus
• Google platform (24)
  google architecture technology hardware wikipedia search platform design web infrastructure server servers network cluster wiki networking article grid clusters advocacy gogle geek goog distributed.computing goo cloud 111personal @toread comp60370 datacenter
• Wake-on-LAN (22)
  wol networking network lan hardware boot remote wakeonlan tools wake windows wikipedia sysadmin linux on software wiki wake-on-lan programming freeware internet management computer mac pc howto packet nic green firefox:bookmarks
• Computer display standard (21)
  hardware graphics reference display wikipedia computers design video resolution screen monitors size monitor multimedia cpsc100 computer webdesign browser is.article koch screen+resolution screen.resolution hd optimalusability development 1080p aspect_ratio computer%2Bdisplay%2Bstandard computerhardware hardware_display
• Keyboard layout (21)
  keyboard layout hardware language typing wikipedia design computer wiki keyboards i18n linux international reference dvorak digital layouts awesome world french web encyclopedia comparison computers arknet arkos arkdrive 2p 1dig ark
• Storage area network (20)
  san storage network hardware wikipedia reference linux sysadmin wiki infrastructure data backup filesystem technology disk work tech area nas it resource geek filesystems fuse articles computer software computers a4---hdd @reading
• Comparison of ATI graphics processing units (20)
  ati graphics hardware gpu graphic reviews wikipedia video resources radeon opengl videocard linux card computer graphicscardcomparison graphicscard gridcomputing htpc hw-pc grafikkarte hp_pavilion_a6030br cards agp [en] architecture assistencia comparison build gfx
• Comparison of netbooks (19)
  netbook netbooks laptop comparison notebook wikipedia hardware reference mobile shopping computer wiki umpc eeepc portable web2.0 computers compare wind ultraportable laptops eee subnotebook mini 1:1 matrix asus buyme acer buy
• XBMC (19)
  xbox xbmc media video mediacenter hardware wikipedia mod hack tv linux software opensource wiki multimedia tech streaming microsoft howto mac movies htpc player free center pvr mediaserver audio hacks info
• Intel Core 2 (19)
  intel cpu hardware core duo pc wiki reference processors 2 core2 computers wikipedia laptop electronics comparison hw processor desktop encyclopedia computer computers_news conroe arch core2duo 64-bit !! * ?? and
• DD-WRT (18)
  router linksys dd-wrt wrt54g wireless wifi firmware networking hardware linux opensource network hacks wikipedia security free tools wrt54gl computer hack wiki server tech howto internet hacking wds routers buffalo links
• List of Intel microprocessors (18)
  intel cpu hardware processors wikipedia technology microprocessors computer tech wiki list history info computing blog amd docs cpus dual electronics imei htsi core computer_science chips 2005-10-16 chronological cmu:computer computer_hardware computerwiki
• Front side bus (17)
  hardware computer wiki wikipedia fsb cpu computers tech reference front_side_bus bus info gpu front-side informatica knowledge motherboard memory front northbridge arquitetura architecture acronyms .imported central_processing_unit chipset desktop dell_d420 computer-architecture encyclopedia
• Wii Remote (17)
  wii hardware nintendo remote wikipedia wiimote games input diy interface bluetooth wiki gadget lego article disrupt controller flash-dev-wiimote game gaming-console gameconsoles consoles bit200w07 1106 * 4m 4s augment accelerometer cm0256
• CPU cache (17)
  cache cpu hardware wikipedia programming reference wiki computer architecture research microprocessor computers disk development csc506 embedded fpga hard gpu cs101 engineering c cachemem archi / caching computer_science computing computerarchitecture coos
• PCI Express (17)
  pcie hardware pci reference pciexpress pci-e computer express wikipedia pci-express wiki video work computers tech pc definition specifications shopping pci_express daily byoc cards description buses !!!!!!!!!!! 3dworkstations a2---pws aplus article
• Model M keyboard (16)
  keyboard hardware ibm wikipedia photos history teclado tastatur quality writing programming usability tiendaspc magnolia collectiblekeyboards @maybe-get cotuca daskeyboard modell_m material-propio modelm
• PIC microcontroller (16)
  pic microcontroller electronics hardware wikipedia reference embedded asm wiki microchip microcontrollers hacks academic computer hacking further_computer_systems exjobb kernel linux eletronics microships microprocessors assembler bristol assembly cv2008 electonics electronica electronic elektronika
• Advanced Host Controller Interface (16)
  ahci sata hardware raid technology windows support tutorial wikipedia harddrive reference troubleshooting sysadmin linux achi computer setup intel howto disk bios hpq interface it how-to acer computer_issues_solved dc7800 harddisk hdd
• GPGPU (16)
  gpgpu graphics gpu programming hardware wiki software research processor wikipedia math computing computers cuda computer algorithms c parallel firestream en.wikipedia from_slashdot general dictionary/facts flow dev acceleration article-toread computerhardware crmc development
• x86 virtualization (16)
  virtualization vmware xen hardware x86 cpu architecture amd computer emulation reference computing virtual intel wikipedia amd64 software virtualisation wiki sysadmin tech @wikipedia amd-v apr-2009 2009 1999 01-apr-2009 2002 2006 2007
• Display resolution (15)
  video resolution reference display wikipedia tv tech hardware resource technology dvd television image hdtv wiki screen desktop lcd laptop gadgets tutorial encyclopedia computer web pc hd digital grid definition displayresolution
• Antikythera mechanism (15)
  history technology science astronomy ancient greek wikipedia computer antikythera archaeology steampunk reference time greece wiki research hardware computing interesting weird engineering cool article computers mechanism tech invention clock machine device
• x86-64 (15)
  hardware x86 x86-64 wikipedia cpu 64-bit architecture amd intel x64 reference os amd64 assembly 64bit memory intel64 processadores_nomenclatura public windows64 win64 ia32 developer 64 32-bit architecture.x86-64 bit computing computer development
• Memristor (15)
  electronics physics science memristor technology wikipedia hardware computer research wiki memory innovation circuits news memristenza interesting circuit memristore ram elettronica hp cool cs cutting-edge condensador academics !!inbox bb08g1 bitbang08 computer%2Felectronics
• MAC address (15)
  mac networking network hardware wikipedia address security wireless interesting osx mac-address tech reference linux apple computer macaddress networks hacking net ieee firewall change cs2400 ethernet dr_cain docs adress brainpower danny
• Digital Visual Interface (15)
  dvi hardware video reference graphics wikipedia digital multimedia monitors dual cables pinouts pc mac resolution searchsources techstuff specifications lote1 techtips dual_link computerterms computer_stuff cable flatpanel hjc3 lcd interface hometheater link
• Von Neumann architecture (14)
  architecture hardware computers computer wiki history design wikipedia programming tech technology computing c science math cs is270 ipt joe machine msmba-summer machines info1 idsecourse basics arquiteturas computer-history computerarchitecture computingscience archintro
• VHDL (14)
  vhdl programming hardware reference wikipedia fpga electronics language design microcontroller hdl fit example esl hobby epb icdesign ic hw inp comp.lang backend article 43.time code cv2008 ee dev d_interest eece277
• Blade server (14)
  server blade hardware computing reference wikipedia architecture technology tech system it sysadmin virtualization enterprise data_center computer servers servidor work work_related server, sistema definition article arquitectura artículo blad clustering emerging-tech
• Serial Attached SCSI (14)
  storage sas hardware technology scsi wikipedia work computer server interface protocol pc_bus networks massstorage raid mac sata sasa reference servers disk data cctv bevezeto dell enterprise hardware:sas hardware:drives harddrive it
• CUDA (14)
  programming nvidia cuda gpu parallel graphics hardware c computing wikipedia processor gpgpu opengl tech software performance library multicore industry 3d c++ irc hax0r lenguage_programaci%C3%B3n gpuprocesssing cpu channel%3Asuperultramega diplomathesis exjobb gpgu
• DDR2 SDRAM (14)
  ddr2 memory ram hardware computer ddr wiki wikipedia reference sdram pc computers informatica hw howto install mac memorychecker macosx hack kim clock ddr2sdram bus apple design double-data-rate front-side emc fsb
• Capacitor plague (14)
  hardware capacitor wikipedia electronics tech motherboard computers sysadmin pc wiki circuits mobo interesting computer work dell_optiplex_gx270 article capacitor_plaugue english failure freegeek plagues lcd electronica defects badcaps capacitorplague capacitors computerrepair condensadores
• MIPS architecture (14)
  mips hardware architecture risc wikipedia wiki programming cpu computer computers reference spim microprocessor assembly uni science assembler processors compilers computer-architecture computer_architecture csa concurrency assambler arquitetura 1 @wikipedia ac actors analytical_engine
• Electronic design automation (13)
  electronics eda hardware design tools software wikipedia circuits wiki pcb programming projects electronica cad elektrotechnik electronic-design-automation embedded electronic_design_automation p2p-design electronic simulate ic automation computer blogging-material cool diplomarbeit diy diseño ecad
• Turing machine (13)
  turing theory science computation wikipedia computer reference math programming hardware cs philosophy history mathematics software logic machine architecture wiki turing-machine turing_machine tech machines computing article computerscience algorithms ai complexity artificial-intelligence
• KVM switch (13)
  hardware kvm wikipedia electronics switch video technology computer computers initialism infrastructure fk fia networks dual_monitor mouse kvm_vendors kvm_switch keyboard build article alea 2xmouse 2xkeboard belkin_tech_supp_reference cluster doublekeyboard diy computer_networking doublemouse
• DDR SDRAM (13)
  ram memory ddr hardware sdram reference computer wikipedia computers pc sldm server science pcs storage pchardware vdtt upgrade techbits wiki ddr-sdram builtbymom a+_memory_pc100 - ddr-ram ddrsdram memomry_calc2 it en pc3200
• X10 (industry standard) (13)
  x10 home automation homeautomation standards reference technology wikipedia diy electronics hardware protocol powerline tech networking house communication radio gadgets home-automation wireless home_automation domotics home.automation home+automation computer cool lighting standard domotica
• Graphics processing unit (13)
  graphics gpu hardware reference wikipedia processor nvidia wiki processing opera_imported links nvroll wikigraphics3d learning unit thesis resource qemu_gfx engineering dictionary cpu computer%2Felectronics #afterdarkclub display dypak history grafika gfx lcc
• ATA over Ethernet (12)
  storage linux san networking aoe hardware nas network ethernet wikipedia reference ata filesystem wiki iscsi ataoe research red scalability study xen technology protocol it ata_over_ethernet almacenamiento ataoverethernet dr_cain imprimir 20070803
• Atmel AVR (12)
  avr microcontroller electronics hardware programming atmel wikipedia embedded reference work robotics microprocessor make micro mcus microcontrollers mcu micros mikroprosessor microships hacks blog cmicro chips atmelavr electonics electronics.microcontrollers geek elektronika hacking
• Sony Reader (12)
  ebook sony ebooks reader epaper hardware sonyreader books wikipedia technology eink electronics english gadgets drm bit200f06 2007 ebooks_formats gift infos jite ebooks_etc group107 e-book alternativas [en] bookmarksmenu bp courspoitiers ebookreader
• PXL-2000 (12)
  video pxl2000 camera film hardware gadgets wikipedia technology wiki tech ideas photography resource art pixel new_ideas mmf pixelvision simulate life:iwant pxl-2000 production 1980s cameras cam cassette daily hideousbeast definition learning
• Central processing unit (12)
  cpu hardware wikipedia programming processors computer software wiki history article definitions architecture definition computerarchitecture comptuer compsci en.wikipedia group50 inf1070 chip ilp 15 625 2 1 bb08g1 bit200f06 bitbang08 bit200w07 central_processing_unit
• 1-Wire (11)
  1-wire electronics sensors hardware serial homeautomation reference ibutton 1wire embedded arduino info microcontrollers microcontroller bus automation device description dr_jakob electronic ijp engineering datalogger cryptoparanoia busses avr circuit communication communications dallas
• List of Intel chipsets (11)
  intel hardware chipset chipsets motherboard cpu compatibility mainboard list new_pc mythtv memory micropcproject specs mediacenter ram processor pc of hware computer cis110 ?? * htpc infomation_technology limitation it-hard install mce
• Endianness (11)
  programming endian wikipedia endianness encoding hardware bytes memory code computer networking tech format cs linux computing c++ concepts cpu fic.ecm1 lang:en forensics computer_science coding byte big byteorder c c&c++ compsci
• PowerPC (11)
  powerpc mac hardware apple ibm cpu computer power wikipedia history risc mknow microprocess macintosh mobile-chip-platforms machw scheda read quicklinks network_processor article architecture applemac #4d atuni check irc enidan cisco isel
• Field-programmable gate array (11)
  fpga electronics hardware programming reference science tech computer embedded chip fit field-programmable fgpa ee foonetic eaarl gpgpu gate foonetic/#boats hardware::fpgas ckt_design array alcon #linux.hu bluearc computerfpga cpus cpld cool-tech crio-controller
• CAS latency (11)
  memory hardware ram wikipedia cas wiki pc latency ddr technology computers computer towiki trend week_7 wp reference history aplus cs2400 ddr3 definitions ramtiming
• SCSI (11)
  scsi hardware wikipedia storage server reference computer tech work standards sysadmin technology disk harddisk computers a+ certification enterprise fs1 hard harddiskdrive drive glossary certifications a4---hdd 2009 acronyms apple computing digest
• Trusted Platform Module (11)
  security tpm hardware wikipedia drm wiki computer specification privacy techcon08 storage secure-computing software wsn platform trustedcomputing trusted_platform_module trusted-platform-module trusted-computing duve compsci comp_sec apple computers crypto episodio002 encryption%2Fsecurity encryption phd
• List of AMD Athlon 64 microprocessors (11)
  amd hardware processor cpu processors athlon64 computer reference wikipedia 64bit pc overclocking microprocesadores labs processori info temp table speed wikiproject comp [imported] 64 (imported) athlon computer/internet hyper-v diy computershopping imei
• IEC connector (11)
  power iec hardware plug connector cable plugs datacenter reference connectors cables server wikipedia ups electricity ac standard sun electronics standards socket electrical c13 c14 dell gulfstream genius cabinet computer cords
• DVI (11)
  dvi video hardware reference tv standards wikipedia vga engineering definition cables info hometheatre hdtv irc kaablid macbook mac hdmi monitors connectors computer cable #guild dvi-cable dvi-d geek formats dvioutput hard
• Nintendo DS homebrew (11)
  ds homebrew nintendo nds games hacking wikipedia development hacks reference programming software nintendods hardware gaming game wiki diy howto videogames nintendo-ds dslite download nintendo.ds emulation tool help apps culture gamedev
• Northbridge (computing) (11)
  hardware northbridge computer wikipedia northsouthbridge chipset motherboard wiki tech memory bus pc-selfbuild pc pcie software x86 os reference agp computing a2---pws definitions kernel northbrigde mobo northsouthbridgec
• Flash memory (11)
  flash memory wikipedia technology hardware storage reference usb physics research electronics nand wiki information computers bit200f06 computer encyclopedia et flashmemory frash.memory en flash-memory digitalphotoreport architecture 300 computerscience database dr_cain drive
• ATX (11)
  hardware atx power computer motherboard standards computers reference wikipedia wiki theory electronics supply connection history form formfactor intel pcrepair factory powersupply pc a2---pws atx_power at bscproject cabinet desktop connector diy
• 19-inch rack (11)
  hardware rack server reference hosting computer racks computers rackmount wiki info diy pc miscellaneous engineering infrastructure salco2 servidor worklearn projectx datacenter 1u basement cableado_estructurado me
• InfiniBand (11)
  infiniband network hardware storage wikipedia scalability architecture standards computing nas grid infrastructure wiki communication enterprise good2know ep50dg high hpc i hsio clusters:network casalogic%3Aberegningscluster backplane 1 bidirectional bus cable busses clustering
• 64-bit (10)
  64-bit architecture programming wikipedia hardware software technology wiki code memory 64bits 64bit linux tech microprocessor development bit 64 dev cyberman fcc hfappdev cpu-64-bit diff computers 64-bits 64位元 cet103 channel%3A%23%23twittertribe cpu
• Netbook (10)
  netbook computer laptop hardware umpc wiki network notebook wifi trends networking linux subnotebook wikipedia netbooks computers windows cloud web categories asus chapter_14 cloudcomputing cmscu310 ce_class 1to1 2008 34 4ojo category,
• RS-232 (10)
  rs232 serial networking hardware reference communication electronics rs-232 wiki standards computer wikipedia computers programming cable ems dte enel350project2 further_computer_systems ge863-pro3 gauge donereading datacenter bsad arduino com computing console connectors dce
• List of AMD Athlon XP microprocessors (10)
  amd hardware processor athlon cpu upgrade tdp xp pc list processors present temp thermal pc_hw microprocessor athlonxp cpus hard microprocessors
• SCADA (10)
  scada embedded wikipedia security network hardware tech automation systems software plc controls wiki work control career cool computer codac ctrl.microsystems cyberwar category cops and 4030 20.teknologi 4taras acquisition audit axeda
• Microcontroller (10)
  microcontroller wikipedia programming electronics hardware microcontrollers embedded microprocessor reference wiki cpu links pic circuit architecture processor electronica circuits control chips ee chip dsp digital-signal-processor astromech_build #p2p.hu ae asm bristol buy
• TRON Project (10)
  os software hardware tron wikipedia opensource wiki rtos real-time history realtime embedded article electronics raytracing operatingsystems read via:charles zerosoft operatingsystem t-kernel mobile devices asia embededsystem encyclopedia kernel operating_systems
• Null modem (10)
  hardware modem network null serial rs232 nullmodem nulo serial-port yx null-modem communication cross-link dr_cain módem
• American wire gauge (10)
  reference hardware electronics wikipedia wire diy awg hifi cables gauge electricity size electrical table tech of r/c speaker.wire to mm conversion (diameter) cable definitions fsec
• Intel GMA (10)
  intel video hardware graphics gma wikipedia linux opengl shopping irc macbook intelchipsetcomparison hw-pc graphic maskinvare graph osx motherboard media reference dell chips chip accelerator chipsets dieman gma950 games dr_jakob gpu
• List of 7400 series integrated circuits (10)
  electronics reference hardware 7400 ic 74xx circuits list ttl modding logical irc logic school integrated research p1 overview numbers dorkbotpdx circuitos chip ceng200 #arduino comp electricalengineering firefox:bookmarks elements elektronika ideas
• Quiet PC (10)
  hardware pc computer silent quiet diy wikipedia cooling htpc silentpc resources quiet_pc tutorials multimedia server @wikipedia computing eco-friendly guide howto mediapc
• Ethernet crossover cable (10)
  ethernet cable network crossover reference networking hardware cat5 howto computer wikipedia tech wiki links diagram cabling home_networking gigabit i-to-info instructions jef-own issues giagbit cross-link cat5_crossover_cable 2008-01-23 computing corp cross cross.over.cable
• Cantenna (9)
  wifi cantenna wireless wikipedia hardware howto antenna article tutorial hack todo radio wiki diy pc to-do techref tools wi-fi wlan wirelles revisit innovations cool computer dd-wrt development ict developmenttools long
• Solid-state drive (9)
  ssd wikipedia hardware storage technology harddrive wiki memory encyclopedia poota media maint informatica read hdd ramdisk ram raid propuesta ea dictionary/facts datarecovery ? * drive esccgs2260 hard-disk hard flash hard-drive
• MOSFET (9)
  electronics mosfet hardware wikipedia education wiki science transistor fet semiconductors pi mos out:wikip voltage modulation technicals tech sunspot source effect digital cmos channel analog ee eletronica ingonline ic equation length
• x86 (9)
  x86 processor hardware cpu assembly intel architecture wiki computers programming it os asm osdev architect grids cp isa isel low-level job corei7 computerarchitecture assembler *** ciber cmpt compsci cmptr_processors_x86_wikipedia_2.27.09 core2
• RepRap Project (9)
  3d prototyping opensource fab science reprap hardware diy rapid technology future fabrication wikipedia robotics design rapidprototyping cad self-replicating machine manufacturing rp fablab article biz cheap alife *todo 3d-printer 3d_printing 3dprinter
• AT Attachment (9)
  ata hardware storage ide harddrive documentation wiki connection hpa harddrives harddisk hard drive mac pata datastorage janaibook itterminology interface attachement advanced academic a4---hdd (ata) apple at certification cable attachment computer
• Master boot record (9)
  mbr boot wikipedia hardware filesystem linux computer disk harddisk os bootloader research grub software wiki masterbootrecord reference hacking encyclopedia documentation harddrive hd dd hard_disk_drive backup #hackint0sh 2read amorçage article classx
• Near Field Communication (9)
  nfc mobile technology rfid wireless wikipedia tech hardware bluetooth article research field interface nokia media ideas nearfieldcommunication communication near contactless communication" communications artículo connectivitycoreteam der arduino "near 411 art articles
• G-code (9)
  cnc g-code hardware language programming cam engineering machining manufacturing gcode fab wikipedia reference numerical nc mer0060 programminglanguage sherline tool lang programminglanguages apj codes bcl anarchotvplus control dnc industrial g know-how
• GUID Partition Table (9)
  gpt filesystem guid hardware osx wikipedia windows boot mac efi mbr partition sysadmin bios linux irc osx86 intel table apple disk hdd firmware hacking dp format apple_boot #applemac #gentoo.hu channel%3A%23phpavancado
• Apollo Guidance Computer (9)
  apollo space history hardware software computer moon wikipedia nasa computing eldon.hall ee dsky design espacio computers ic human factors inbyggda_system apolo agc aeronautics 1960s apollo.guidance.computer astronauts awesome astronáutica astronomy blogpost