单项选择题
A user reports poor picture quality with a laptop connected to an LCD. Which of the followingshould the technician check FIRST for optimal picture quality?（）
A. Native resolution B. Color depth C. Minimum brightness D. Maximum brightness
单项选择题 When a power supply does not meet minimum requirements for a motherboard, which of thefollowing can happen?（）
单项选择题 The MAXIMUM transfer rate of eSATA is:（）
单项选择题 Which of the following is the MAXIMUM theoretical transfer rate of an IDE cable?（）
