单项选择题
Which of the following is a multimedia device?（）
A. Biometric device B. Mouse C. Camcorder D. Infrared scanner
单项选择题 Which of the following cable types is 68-pin?（）
单项选择题 When upgrading BIOS firmware, which of the following limits are MOST commonly increased? （）
多项选择题 Which of the following connection types use a phone line as a carrier to provide access to theInternet?（）
