Nyob rau xyoo 1982, Japanese tuam txhab Denon tsim qhov peb paub ua CD-ROM thiab qhia nws nrog Sony ntawm lub khoos phis tawj hauv xyoo 1984.
Thaum twg 1 lub CD tsim?
The CD was invented in 1979. Ib lub sij hawm ua ntej cov suab paj nruag online muaj, nws tau dhau los ua txoj hauv kev zoo tshaj plaws los khaws thiab ua suab paj nruag. Nyob rau 25th hnub tseem ceeb ntawm nws thawj zaug tso tawm rau xyoo 1982, nws tau kwv yees tias 200 billion CDs tau muag thoob ntiaj teb.
James T Russell credit rau kev tsim khoom yog dab tsi?
Nws tsim thiab tsim thawj electron beam welder. Xyoo 1965, Russell tau koom nrog Pacific Northwest National Laboratory ntawm Battelle Memorial Institute hauv Richland. Nyob ntawd, xyoo 1965, Russell tau tsim lub tswv yim tag nrho ntawm kev kaw lus digital thiab ua si.
Puas yog DVD sawv rau?
' Tus thawj acronym los ntawm 'digital video disc. ' Lub Rooj Sib Tham DVD tau txiav txim siab xyoo 1999 tias DVD, raws li tus qauv thoob ntiaj teb, tsuas yog peb tsab ntawv.
CD lub ntsiab lus yog dab tsi?
CDs yog cov yas me me uas lub suab, tshwj xeeb tshaj yog suab paj nruag, tuaj yeem kaw. … CD yog ib lo lus luv rau 'compact disc'. Lub Beatles 'liab thiab xiav muab tso ua ke tau muab tso rau hauv CD thawj zaug.
