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(DVD) CD
7.4
17
.DVD-R, DVD-ROM, DVD-RW
DVD
USB Flash Drive •
2 1
USB
1998 2018 USB 4.0 USB 1.1
2000
2008 12 USB 1.1 •
2015 480 USB 2.0 •
USB 3.0 •
2019 4 USB 3.1 •
10 USB 3.2 •
USB 4.0 •
20
40
operating system software ▪
Applications ▪
2024 © 21
