A user is reporting a loud grinding sound when the machine is powered on. The machine loadsinto windows and the user does not notice any performance issues. Which of the following is the MOST likely cause of the noise?（）

A display on a laptop has become very dim, almost unabl...

单项选择题A display on a laptop has become very dim, almost unable to be seen. Which of the followingcomponents is the MOST likely cause of this problem?（）

Which of the following processor specifications should ...

单项选择题Which of the following processor specifications should be used to reduce power consumption?（）

Which of the following is the speed a 1600MHz FSB proce...

单项选择题Which of the following is the speed a 1600MHz FSB processor will operate at if the FSB of the motherboard is 3200MHz?（）