A-A+ (72)are used for backing up large amounts of data. (72)A. Keyboard B. Printer C. Disk D. 2020-10-12 15:10:39 IT认证 阅读 问题详情 (72)are used for backing up large amounts of data.(72)A. KeyboardB. PrinterC. DiskD.CPU请帮忙给出正确答案和分析,谢谢! 参考答案 查看解答