单项选择题 Which of the following cables would use a DB-15 connector type?（）

单项选择题 A PC cannot connect to the network. A network card was purchased without documentation ordriver discs. Which of the following is the BEST way to install it into this machine?（）

单项选择题 Which of the following memory types is unique in that it generates so much heat it requires that the memory modules are covered in heat sinks?（）