单项选择题
A. The computer does not support this type of drive.
B. Connector is plugged in backwards.
C. Power is plugged in backwards.
D. All floppies are corrupt.
单项选择题 Which of the following is the correct path to add new local user accounts to a Windows 7computer?（）
单项选择题 A Windows OS has failed to load after a successful power on self test. Which of the following steps will help troubleshoot the problem?（）
多项选择题 Which of these are symptoms of malware on a computer? （）(Select TWO).