Lub Kaum Ob Hlis 1968, Douglas C. Engelbart tau qhia lub ntiaj teb rau ob lub khoos phis tawj tshiab tshiab ntawm nws tus kheej tsim.
Yuav muaj pes tsawg tus yuam sij chorded keyboard?
Chording keyboards kuj tau siv los ua cov khoom siv tau yooj yim tab sis ob txhais tes tawm tswv yim rau qhov tsis pom kev (xws li ua ke nrog lub ntsej muag zoo nkauj lossis lub suab sib txuas). Cov keyboards zoo li no siv tsawg kawg ntawm xya tus yuam sij, qhov twg txhua tus yuam sij sib raug rau tus kheej tus cwj pwm, tsuas yog ib tus yuam sij uas siv los ua qhov chaw.
Leej twg tsim lub laptop keyboard?
Qhov tseeb, qhov teeb tsa tau tsim los pab tib neeg ntaus ntawv sai dua. Lub QWERTY layout yog ntaus nqi los ntawm ib tug American inventor lub npe Christopher Latham Sholes, thiab nws tau ua nws debut nyob rau hauv nws thawj daim ntawv rau lub Xya hli ntuj 1, 1874 - 142 xyoo dhau los niaj hnub no.
Qhov txawv ntawm QWERTY thiab cov keyboards tsiaj ntawv yog dab tsi?
Cov yawm sij ntawm cov tsiaj ntawv tau muab tso rau hauv peb kab ntawm 10, 10, thiab 6 tus yawm sij Cov pab pawg no muab 10 tus cim hauv kab hauv tsev thiab hauv ob kab saum toj no rau tus lej sib npaug ntawm tus yuam sij rau txhua txhais tes. QWERTY siv 10, 9, 7 pab pawg nrog tus yuam sij semicolon tuav sab xis kawg ntawm kab tsev.
Vim li cas QWERTY tsis ABCD?
Yog vim li cas hnub rov qab mus rau lub sijhawm ntawm phau ntawv ntaus ntawv. Thaum xub thawj invented, lawv muaj cov yuam sij teem nyob rau hauv ib tug alphabetical kev txiav txim, tab sis tib neeg ntaus ntawv ceev heev uas tus neeg kho tshuab cim caj npab tau tangled. Yog li cov yuam sij tau Randomly positioned kom qeeb typingthiab tiv thaiv cov tseem ceeb jams.
