Ib tug crossbar hloov yog ib qho kev sib dhos ntawm tus kheej hloov ntawm ib txheej ntawm cov khoom siv thiab cov khoom tawm. Cov keyboards yog teem rau hauv ib tug matrix. … Kev sau cov kab hla tuaj yeem siv los siv ntau txheej thiab thaiv cov keyboards. Lub crossbar switching system tseem hu ua coordinate switching system.
crossbar switching network yog dab tsi?
Crossbar tes hauj lwm tso cai ib qho processor hauv lub kaw lus txuas mus rau lwm lub processor lossis lub cim xeebkom ntau tus processors tuaj yeem sib txuas lus ib txhij yam tsis muaj kev sib cav. Kev sib txuas tshiab tuaj yeem tsim tau txhua lub sijhawm ntev npaum li qhov tau thov cov tswv yim thiab cov chaw nres nkoj tso tawm dawb.
Leej twg invented crossbar hloov?
kev txhim kho xov tooj
thawj qhov kev sib tshuam tau nthuav tawm los ntawm Televerket, tsoomfwv Swedish lub tuam txhab xov tooj, xyoo 1919. Thawj qhov kev lag luam ua tiav, Txawm li cas los xij, yog AT&T No. 1 crossbar system, thawj zaug ntsia hauv Brooklyn, NY, xyoo 1938.
Dab tsi yog tus lej hloov pauv uas yuav tsum tau muaj nyob rau hauv qhov kev sib txuas ntawm crossbar?
Nyob rau hauv qhov kev teeb tsa uas tsis thaiv kev thaiv, muaj N2 hloov cov ntsiab lus rau N cov neeg siv khoom. Thaum tag nrho cov neeg koom nrog koom nrog, tsuas yog N / 2 keyboards tau siv los tsim kev sib txuas.
Dab tsi yog crossbar hloov hauv computer architecture?
Ib qho kev hloov pauv yog a hloov pauv txuas ntau qhov kev nkag mus rau ntau qhov tawmhauv matrix yam. Architecture ntawm uni-directional crossbar hloov: Lub crossbar hloov tau hloov inputs (daj xim squares) rau cov outputs (cyan xim squares) - xav txog tej yam txhua lub thawv yog CPU los yog ib lub cim xeeb module.
