Computer Keyboard: Nws yog dab tsi thiab nws ua haujlwm li cas?

by kim Kho tshiab: Lub rau hli ntuj 26, 2022

Lub computer keyboard yog ib qho tseem ceeb ntawm txhua lub khoos phis tawj thiab siv los cuam tshuam nrog lub tshuab txhawm rau ua haujlwm. Nws yog tsim los ntawm ob peb tus yuam sij thiab cov nyees khawm, qee qhov muaj cov haujlwm tshwj xeeb. Cov keyboard yog siv los ntaus cov lus txib thiab cov ntaub ntawv thiab feem ntau yog nrog tus nas lossis trackpad.

Hauv tsab xov xwm no, peb yuav saib cov anatomy ntawm lub keyboard thiab nws ua haujlwm li cas.

Lub computer keyboard yog dab tsi?

Ib tug computer keyboard yog ib qho khoom siv nkag tau siv los ntaus cov cim, lej, thiab lwm yam cim rau hauv lub computer. Nws feem ntau muaj ob peb kab ntawm cov yuam sij saum toj ib leeg, nrog rau kev ua haujlwm sib txawv ntawm txhua tus yuam sij. Keyboard layouts txawv ntawm txawv operating systems thiab lub teb chaws. Kev ntaus ntawv ntawm lub khoos phis tawj keyboard tuaj yeem pab koj txuag sijhawm los ntawm kev nkag cov lus qhia lossis cov ntaub ntawv sai sai rau hauv koj lub cuab yeej.

Cov keyboards hauv computer feem ntau yog ua raws li cov qauv ntawm lawv cov ntawv luam tawm tab sis kuj tseem muaj cov yuam sij ntxiv rau cov haujlwm tshwj xeeb. Lawv kuj yog feem ntau ergonomically tsim txhawm rau xyuas kom yooj yim ntaus ntawv rau lub sijhawm ntev. Muaj ntau cov keyboards kuj muaj shortcuts los yog cov nyees khawm tshwj xeeb rau cov haujlwm ua haujlwm xws li qhib cov nplooj ntawv tshwj xeeb lossis cov ntawv thov. Tsis tas li ntawd, cov yuam sij yuav txawv me me los pab cov neeg ntaus ntawv nrog nrhiav cov cim tshwj xeeb sai thiab raug. Qee cov keyboards txawm muaj customizable illumination xaiv uas tso cai rau cov neeg siv los hloov kho cov xim backlighting raws li lawv nyiam.

Hom computer keyboards

Khoos phis tawj keyboards tuaj nyob rau hauv ntau yam duab thiab ntau thiab tsawg; Txawm li cas los xij, ob peb hom keyboard muaj nyob. Nyob ntawm koj lub khoos phis tawj lub hom phiaj thiab txoj haujlwm koj xav tau ua, txhua hom keyboard yuav haum koj cov kev xav tau sib txawv.

• Membrane keyboards: Cov keyboards no muaj lub tiaj tus, roj hmab saum npoo hauv qab cov yawm sij thiab siv cov keyboards membrane los sau npe cov nias tseem ceeb. Thaum lawv feem ntau pheej yig thiab yooj yim los ntxuav / hloov, lawv zoo li tsis tshua muaj tactile dua lwm hom keyboards.
• Mechanical keyboards: Raws li lawv lub npe qhia, cov no siv cov tshuab hloov pauv hauv qab txhua lub keycap rau kev xav teb thaum ntaus ntawv lossis kev ua si. Vim hais tias ntawm cov qib zoo no ntxiv, cov hom no yuav kim dua li cov qauv membrane tab sis muab cov kev paub zoo rau cov neeg siv uas muaj txiaj ntsig zoo thaum ua haujlwm lossis kev ua si.
• Wireless keyboards: Wireless lossis "Bluetooth" keyboards vam khom xov tooj cua tsis yog cables los txuas nrog khoos phis tawj lossis lwm yam khoom siv. Lawv feem ntau yog wireless-tsuas yog tab sis koj tuaj yeem xaiv los ntsaws rau hauv lub wireless USB receiver yog xav tau. Cov qauv no tso cai rau koj txhim kho kev txav mus los vim tsis muaj xov hlau yuav tsum tau - zoo meej rau qhov chaw ua haujlwm nyob deb!
• Ergonomic keyboards: Cov qauv tsim tshwj xeeb no nthuav dav cov txheej txheem tseem ceeb uas muab kev txhawb nqa ntxiv rau koj txhais tes thaum ntaus ntawv - pab txo qis kev pheej hmoo ntawm carpal tunnel syndrome (CTS). Qee cov qauv ergonomic kuj tuaj nrog cov yuam sij sib cais kom koj tuaj yeem ntaus ntawv sai dua nrog tsawg qhov yuam kev vim qhov tsis raug ntiv tes tso rau cov yuam sij loj dua - ua rau lawv zoo tshaj plaws rau kov typists tab tom nrhiav kom nrawm dua thiab yooj yim typing zaug.

Anatomy ntawm lub Computer Keyboard

Nkag siab txog lub cev ntawm lub computer keyboard Nws yog ib qho tseem ceeb kom paub cov kev txawj ntaus ntawv yooj yim thiab ua kom paub nrog cov keyboard shortcuts. Raws li cov khoom siv tseem ceeb rau lub khoos phis tawj, cov keyboards yog tsim los ntawm ntau yam khoom thiab kev ua haujlwm uas tso cai rau nkag mus rau cov ntaub ntawv.

Hauv seem no, peb yuav tshawb txog qhov Anatomy ntawm lub computer keyboard thiab sib tham txog yuav ua li cas txhua feem ua haujlwm los pab txhawb cov ntaub ntawv nkag:

Keyboard layout

Tus qauv computer keyboard layout muaj 104 tus yuam sij. Lub layout, hu ua QWERTY, siv nws lub npe los ntawm thawj rau tus yuam sij nyob rau sab laug tes kaum ntawm cov keyboard. Nws tau tsim nyob rau xyoo 1873 los ntawm Christopher Sholes thiab muaj cov tsiaj ntawv thiab cov cim tshwj xeeb uas feem ntau siv hauv kev sau ntawv.

A lub ntaus pob yog positioned rau sab xis rau kev xam, nrog rau ib tug Sau qhov tseem ceeb rau kev xa cov ntaub ntawv. Kuj muaj ib suav lej ntaus lej sab laug nrog tooj yuam sij siv rau kev suav lossis nkag mus rau hauv cov ntaub ntawv lossis cov ntawv thov xws li Microsoft Excel lossis Word.

Lwm cov yuam sij muaj xws li F1 txog F12 uas pom nyob rau ntawm kab saum toj kawg nkaus. Lawv feem ntau yog siv los nkag rau cov shortcuts thiab cov lus txib hauv cov kev pab cuam xws li Sau Ntsuam Xyuas thiab Txuag Li. A Lub khwb xauv qhov tseem ceeb kuj suav nrog uas tso cai rau cov cim ntaus ntawv tuaj yeem tshwm sim hauv txhua lub kaus mom es tsis txhob siv cov tsiaj ntawv me kom txog thaum Caps Lock yog deactivated. Alt (lwm yam) thiab Ctrl (tswj) cov yuam sij muab kev xaiv luv luv ntxiv thaum ua ke nrog lwm cov yuam sij ua haujlwm nyob ib puag ncig lawv.

cov Xub tuav pw hauv qab no cov yuam sij ua haujlwm thiab tso cai rau kev nce, nqis, sab laug, lossis sab xis thaum qee yam haujlwm xav tau. A Chaw Bar muab qhov chaw nruab nrab ntawm cov lus thaum ntaus ntawv; backspace lwv cov ntawv mus rau sab laug ntawm tus cursor; Tab nce tus cursor rau pem hauv ntej ib qho chaw ruaj khov; Insert thiab Rho tawm tshem tawm lossis ntxiv cov ntawv raws li; Rov qab lees txais yam uas tau ntaus ua ntej txuas mus rau lwm kab; khiav kaw qhov rais lossis ncua cov kev pab cuam; lub qhov rais Cov yuam sij feem ntau pom ntawm ob qho kawg thiab siv feem ntau los qhib cov ntawv qhia zaub mov ib zaug nias ib txhij nrog lwm cov nyees khawm xws li R (Run command).

Hom tseem ceeb

Thaum nws los txog rau cov keyboards hauv computer, cov yuam sij tuaj yeem muab faib ua pawg raws li lawv lub hom phiaj thiab kev ua haujlwm. Feem ntau muaj plaub hom tseem ceeb uas txhua tus muaj ntau yam haujlwm, teev hauv qab no:

• Alphanumeric Keys: Cov no sawv cev rau cov tsiaj ntawv ntawm cov tsiaj ntawv thiab cov lej. Cov no yog cov yuam sij feem ntau pom ntawm lub khoos phis tawj keyboard thiab suav nrog tag nrho cov ntawv Askiv cov cim nrog rau tus lej, cim cim thiab cov cim cim.
• Muaj nuj nqi tuav: 12 tus yuam sij ua haujlwm nyob rau sab saum toj ntawm tus qauv khoos phis tawj keyboard tuaj yeem siv nrog kev sib txuas ua ke (siv cov Tswj [Ctrl], Alt [Alt] lossis ua haujlwm [Shift] nyees khawm) kom lawv tuaj yeem ua tau ntau yam haujlwm nrog ib txhais tes, xws li qhib lossis kaw daim ntawv thov lossis kev taw qhia ntawm ribbon tabs hauv Microsoft Office cov haujlwm.
• Cov Ntsiab Lus Tshwj Xeeb: Cov no feem ntau yog siv los ua cov haujlwm tshwj xeeb hauv cov ntawv thov, thiab lawv txawv nyob ntawm seb qhov program twg siv. Piv txwv suav nrog Tswj + C (Copy), Tswj + X (Txiav) thiab Tswj + V (Paste). Yog xav paub ntxiv txog cov yuam sij tshwj xeeb ua thaum ua haujlwm hauv cov haujlwm sib txawv, tshawb xyuas koj qhov kev pab cuam cov ntawv qhia zaub mov rau cov lus qhia luv luv.
• Navigation & Command Keys: Navigation keys suav nrog cov xub xub uas tso cai rau koj txav tus cursor ncig ib daim ntawv yooj yim; Cov Ntsiab Lus Hauv Tsev thiab Qhov Kawg uas tso cai rau koj kom ncav cuag qhov pib lossis xaus ntawm kab sai sai; Ntxig Key uas pab koj ntxig cov ntawv ua ntej cov ntawv uas twb muaj lawm; Page Up thiab Page Down Keys pab koj scroll up & down sai sai thaum Command los yog Windows Keys tso cai rau koj nkag mus rau cov ntawv qhia zaub mov & lwm yam ntxwv ntawm daim ntawv thov sai sai los ntawm kev nkag mus rau cov ntawv qhia zaub mov ntawm shortcut tseem ceeb ua ke xws li Alt + F4 tawm ntawm Daim Ntawv Thov lossis Kev Pabcuam thiab lwm yam

Cov keyboards

Khoos phis tawj keyboards muaj ntau pua lub tshuab hluav taws xob me me uas qhib thaum nias kom xa cov teeb liab mus rau lub computer. Txhua tus yuam sij yog mounted ntawm lub caij nplooj ntoos hlav-loaded hloov, thaum nias nws ua rau lub teeb liab uas tuaj yeem khaws los ntawm lub kaw lus tswj. Feem ntau cov keyboards siv roj hmab domes lossis mechanical switches txhawm rau sau npe txhua tus keystroke, nrog rau tom kawg tau nrov dua ntawm cov gamers vim lawv lub sijhawm teb sai dua thiab muaj zog dua.

Feem ntau hom keyboard hloov yog lub membrane hloov, uas yog tsim los ntawm ob txheej ntawm cov khoom siv hluav taws xob sib cais los ntawm cov khoom siv insulator. Thaum tus yuam sij raug nias, nws thawb lub plunger mus rau saum txheej ua rau hluav taws xob sib cuag ntawm ob txheej txheej txheej thiab ua kom lub teeb liab hloov.

Ib zaug ntxiv, lwm cov keyboards siv hauv qee qhov high-end gaming keyboards yog cov mechanical hloov thiab electromechanical keyboards zoo li Capacitance Sensing Hloov (CMOS) or Magneto-resistive Hloov (MR). Cov cuab yeej siv hluav taws xob xav tau ntau lub zog los nias dua li cov tsoos roj hmab dome cov yuam sij ua tab sis muab cov lus teb zoo dua thaum qhib thiab ua kom muaj zog dua vim muaj zog thiab txhim khu kev qha cov tshuaj tiv thaiv hauv lawv. Electromechanical keyboard hloov qhov kev nkag siab siab hauv hluav taws xob uas tsis yog los ntawm kev sib cuag lub cev ncaj qha yog li muab kev ntaus ntawv nrawm dua nrog qhov raug siab dua yam tsis muaj nqi rau khawm lub neej ncua.

Lub Computer Keyboard Ua Haujlwm Li Cas?

Khoos phis tawj keyboards yog ib qho ntawm cov khoom siv ntau tshaj plaws rau cov computers. Lawv yog siv los sau cov ntawv, lej thiab lwm yam cim tshwj xeeb rau hauv lub computer system. Tab sis lawv ua haujlwm raws nraim li cas? Hauv tsab xov xwm no, peb yuav saib Yuav ua li cas lub computer keyboard ua haujlwm thiab yuav ua li cas nws ua rau siv lub computer yooj yim dua.

Keyboard scanning

Keyboard scanning yog txoj kev sib txuas lus ntawm lub computer keyboard thiab lub computer lub ntsiab processor. Cov txheej txheem scanning ua haujlwm zoo li no: thaum tus yuam sij raug nias ntawm lub keyboard, nws xa cov teeb liab hluav taws xob los ntawm qhov chaw sib cuag mus rau hauv qab ntawm lub rooj tsav xwm luam tawm (PCB). Lub teeb liab ces qhib qhov hloov pauv uas ua rau H-bridge Circuit Court, uas tom qab ntawd qhia tus tswj hwm cov keyboard thiab lub khoos phis tawj CPU tseem ceeb dab tsi yog nias.

Cov thev naus laus zis hauv qab cov keyboard scanning yog hu ua matrix coding. Matrix coding suav nrog kev sib txuas ntau yam kev sib cuag hauv ob-dimensional daim phiaj qauv lossis matrix los tsim cov cim tshwj xeeb rau txhua tus keystroke. Muaj ob hom matrix coding - direct tseem pairwise or matrix nrog ncaj qha chaw nyob. Direct tsis tau ua khub koom nrog tus kheej txuas tus neeg sib cuag ua ke ua khub, thaum qhov chaw nyob ncaj qha yuav tsum tau tshawb pom tsawg dua vim nws qhov yooj yim circuitry.

Rau txhua qhov xovxwm ntawm ib tus yuam sij, plaub lub ntsiab lus ntawm ntau txhiab yuav tsum nkag mus kom paub tseeb tias tus yuam sij twg raug nias. Cov teeb liab raug xa mus raws li plaub cov xov hlau los ntawm kab tshwj xeeb thiab kab ke kab tshwj xeeb txhawm rau txheeb xyuas qhov sib xyaw ua ke tau sau npe los ntawm CPU, ua tiav cov txheej txheem luam theej duab rau qhov nias ib zaug - ua ntej pib dua thaum lwm lub pob raug nias.

Kev tshawb nrhiav qhov tseem ceeb

Cov keyboards siv computer key nias nrhiav tshuab txhawm rau txheeb xyuas thaum cov yuam sij raug nias. Qhov no suav nrog kev siv ntau yam khoom siv uas txhua tus ua haujlwm ua ke.

Qhov tseem ceeb tshaj plaws yog cov tus kheej hloov hauv qab txhua tus yuam sij ntawm cov keyboard. Thaum tus yuam sij raug nias, qhov hloov pauv no xa hluav taws xob teeb liab mus rau lub rooj tsav xwm tseem ceeb hauv cov keyboard, uas tom qab ntawd xa mus rau lub computer nws tus kheej. Yog li ntawd, nws sau npe raws li cov tswv yim los ntawm koj cov keyboard thaum twg koj ntaus ib yam dab tsi los yog ua lwm yam tseem ceeb presses.

Cov keyboards hauv qab cov yuam sij yog tsim los kav ntev tsheej lab ntawm presses, kom ntseeg tau tias koj cov keyboard yuav nyob twj ywm thiab ruaj khov rau ntau xyoo tom ntej. Nyob ntawm seb hom kev hloov pauv siv, ib txheej ntawm cov yuam sij yuav xav tau ntau qib siab lossis mus ncig ua ntej xa tawm hluav taws xob teeb liab; Piv txwv li, qee cov keyboards tso cai rau:

• luv dua kev mus ncig thiab yuav tsum muaj siab tsawg dua li lwm tus ua.
• Los ntawm engineering cov keyboards no rau hauv ntau hom keyboards, cov neeg tsim khoom tuaj yeem ua cov keyboards me me uas haum rau txhua yam ntawm kev ua si mus rau chaw ua haujlwm.

Keyboard kev sib txuas lus

Cov txheej txheem uas tso cai rau cov keyboard sib txuas lus nrog lub computer yog qhov nyuaj thiab koom nrog ntau yam khoom. Ntawm nws qhov yooj yim tshaj plaws, cov keyboard txuas nrog lub rooj tsav xwm sib cais uas txhais cov cim rau hauv cov ntaub ntawv nyeem tau. Cov ntaub ntawv raug xa mus los ntawm ib qho ntawm ntau hom kab mob siab rau (feem ntau yog PS/2 los yog USB) mus rau lub computer, qhov twg nws tau ua tiav thiab ua raws li.

Lub cev khawm nias qhib lub tshuab hluav taws xob hu ua a membrane hloov. Qhov kev hloov no yog txuas rau ob nplooj ntawv hloov tau yooj yim sib cais los ntawm me me spacers. Thaum lub siab los ntawm cov xovxwm tseem ceeb tau thov, daim ntawv hloov pauv sab saum toj ua rau kev sib cuag nrog daim ntawv thib ob hauv qab nws, uas xa cov teeb liab hluav taws xob mus rau lub rooj tsav xwm tswj hauv lub cev keyboard. Lub Rooj Tswjhwm Saib no tau txais cov ntaub ntawv hais txog tus yuam sij twg raug nias thiab tom qab ntawd encodes txhua tus xovxwm tseem ceeb rau hauv a scan code uas sib haum nrog nws txoj hauj lwm ntawm cov keyboard. Cov txiaj ntsig scan code thaum kawg tuaj yeem raug muab txhais ua cov ntawv nyeem tau los ntawm cov lus qhia siv lub tshuab xa los ntawm USB lossis PS / 2 chaw nres nkoj txhawm rau txhawm rau koj cov ntawv sau lossis kev ua si cov lus txib kom tshwm rau ntawm koj lub vijtsam saib.

Lwm qhov tseem ceeb ntawm cov keyboards niaj hnub no suav nrog backlighting technology rau kev siv hmo ntuj lossis rau qhov tseem ceeb ntawm cov yuam sij hauv kev ua si. LED teeb tau muab tso rau hauv qab cov yuam sij tshwj xeeb thiab tuaj yeem muab tua thiab nyob ntawm seb lub teeb koj xav tau npaum li cas hauv kev cuam tshuam rau lub ntsiab zaub nws tus kheej.

Cov txiaj ntsig ntawm Kev Siv Computer Keyboard

Khoos phis tawj keyboards muab txoj hauv kev yooj yim los ntaus hauv lub computer. Lawv tau tsim los ua kom tus neeg siv lub neej yooj yim dua los ntawm kev muab shortcut keys, ergonomic designs, thiab ceev ceev ntiv tes teb lub sij hawm. Tsis tas li ntawd, cov keyboards muaj ntau yam thiab tuaj yeem siv rau ntau yam kev siv, xws li ntaus ntawv, tsim kev nthuav qhia, thiab tswj kev ua si video.

Wb tshawb qhov cov txiaj ntsig ntawm kev siv computer keyboard:

Ntau cov khoom lag luam

Kev siv lub computer keyboard tuaj yeem txhim kho cov khoom tsim tau zoo hauv ntau qhov xwm txheej. Lub khoos phis tawj keyboard yog ib lub cuab yeej siv los sau cov ntawv rau hauv lub computer lossis lwm yam khoom siv, xws li lub laptop lossis ntsiav tshuaj. Nws feem ntau muaj cov yuam sij teem rau hauv kab ntawm lub hauv paus duab plaub thiab nws tso cai rau cov neeg siv nkag cov ntaub ntawv sai thiab raug.

Raws li piv rau lwm hom keyboarding, xws li cov keyboards virtual thiab touchscreen keyboards, lub khoos phis tawj keyboard tuaj yeem pab ua kom muaj txiaj ntsig zoo los ntawm kev tso cai. ceev typing speeds thaum txo qhov yuam kev. Tsis tas li ntawd, lawv muab kev nkag mus rau ntau hom shortcuts thiab cov haujlwm uas tsis muaj nrog rau lwm hom kev keyboarding. Qhov no tuaj yeem ua rau cov ntaub ntawv nkag tau zoo dua, uas tuaj yeem txuag sijhawm rau tus neeg siv.

Tsis tas li ntawd, qee cov keyboards hauv computer tuaj nruab nrog ib qho ntawm cov yuam sij tshwj xeeb uas tsim los rau cov hom phiaj tshwj xeeb. Piv txwv li, lub "insert" key tso cai rau tus neeg siv ntxig cov cim rau hauv cov ntawv uas twb muaj lawm yam tsis tau sau nws. Qhov no yog qhov tshwj xeeb tshaj yog rau cov neeg uas xav tau kev kho ntau zaus lossis ntxiv cov ntaub ntawv tshiab nyob rau hauv cov hlua uas twb muaj lawm ntawm cov ntawv nyeem lossis ua lwm yam haujlwm zoo sib xws uas xav tau qhov tseeb thiab nrawm.

Thaum kawg, cov keyboards niaj hnub no feem ntau muaj cov yam ntxwv ntxiv xws li cov yuam sij multimedia uas tso cai rau kev nkag mus rau qee yam kev siv lossis kev ua haujlwm (piv txwv li, kaw suab). Qhov no pab cov neeg siv ua cov lus txib tshwj xeeb yam tsis tas siv lawv txhais tes tawm ntawm lawv cov keyboard thiab ua kom lawv cov kev ua tau zoo tag nrho thaum ua haujlwm nrog cov ntawv thov xws li cov lus ua cov kev pab cuam thiab audio players.

Txhim kho qhov tseeb

Siv lub khoos phis tawj keyboard tuaj yeem yog txoj hauv kev zoo los txhim kho kev ntaus ntawv raug thiab tsim tau. Kev muaj peev xwm nkag mus rau cov ntaub ntawv sai thiab cov lus txib yam tsis tas yuav tshem koj ob lub qhov muag ntawm txoj haujlwm ntawm tes tuaj yeem pab koj txav mus kom zoo dua. Nrog kev siv ib qho ergonomic keyboard, muaj qhov pheej hmoo tsawg dua ntawm kev ua yuam kev, vim tias cov yuam sij tau yooj yim nkag tau thiab sau npe rau hauv qhov kev txiav txim siab. Qhov tseeb tias nws tuaj yeem sau cov ntaub ntawv sai dua kuj txo qhov yuam kev vim txuas ntxiv rov nyeem cov khoom kom raug lossis typos.

Tsis tas li ntawd, nrog cov keyboards tshwj xeeb uas muaj qhov tshwj xeeb cim lossis lej cim cim rau kev ua haujlwm ntawm kev siv software tshwj xeeb, qhov tseeb tuaj yeem txhim kho ntxiv hauv cov haujlwm no.

Txhim kho ergonomics

Lub xub ntiag ntawm lub computer keyboard tso cai rau cov neeg siv kom txo qis ntawm lawv lub dab teg, tes thiab lwm yam hauv lub cev. Txij li thaum tib neeg txhais tes tsis siv los ua kom nws cov ntiv tes nthuav dav sib nrug txhua lub sijhawm - zoo li nws yuav yog thaum siv nas lossis touchpad - muaj cov keyboard ua rau nws yooj yim dua thiab xis rau cov neeg siv. Nrog cov keyboard, cov neeg siv tuaj yeem ntaus nrog lawv lub dab teg hauv a txoj hauj lwm nruab nrab (piv txwv li, tsis txhob khoov ntau dhau) vim tias txhua tus yuam sij yuav tsum tau nias lub zog tsawg dua li cov nyees khawm nas. Txoj kev no, ob txhais tes thiab cov ntiv tes yuav raug txo qis thiab lub zog uas tuaj yeem txo qhov kev pheej hmoo ntawm kev tsim cov mob xws li Carpal Qhov Syndrome or Rov Ua Tus Cwj Pwm Mob.

Tsis tas li ntawd, cov keyboards feem ntau muab cov ceg kho tau yooj yim uas ua rau tus neeg siv tuaj yeem kho lub kaum sab xis ntawm lawv qhov chaw ua haujlwm kom yooj yim dua. ergonomics.

xaus

Hauv kev xaus, tus khoos phis tawj keyboard yog ib qho tseem ceeb ntawm txhua tus neeg siv lub khoos phis tawj cov cuab yeej, thiab nkag siab tias nws ua haujlwm li cas yog thawj kauj ruam los ua tus neeg siv paub txog. Los ntawm kev nkag siab txog ntau hom keyboards muaj, lawv cov qauv tsim thiab kev ua haujlwm, thiab cov lus qhia saib xyuas txhawm rau ua kom lawv nyob rau hauv qhov zoo, koj tuaj yeem xyuas kom meej tias koj lub khoos phis tawj muaj kev lom zem li sai tau.

Tsis muaj teeb meem dab tsi ntawm cov keyboard koj siv, muaj kev nkag siab meej ntawm nws cov haujlwm thiab cov khoom siv yuav ua kom koj tau txais txiaj ntsig zoo ntawm txhua yam muaj. Tsis tas li ntawd, kev ua haujlwm tsis tu ncua ntawm koj cov keyboard tuaj yeem pab txuas ntxiv nws lub neej ntev thiab ua kom nws ua haujlwm tau zoo.

Nyob zoo, Kuv yog Kim, niam thiab ib tus neeg nyiam nres nrog keeb kwm yav dhau los hauv kev tshaj tawm thiab kev txhim kho lub vev xaib. Kuv muaj kev mob siab rau kev kos duab thiab kev ua yeeb yam, thiab tam sim no kuv tab tom dhia taub hau ua ntej mus rau hauv lub ntiaj teb nres. Nrog rau kuv qhov blog, Kuv tabtom qhia kuv cov kev kawm nrog koj.