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Chapter 6 A+

Microprocessors

QuestionAnswer
What do registers provide for the CPU? The CPU uses registers for temporary storage of internal commands and data.
What function does the external data bus have in the PC? The external data bus provides a channel for the flow of data and commands between the CPU and RAM.
What is the function of the address bus in the PC? The address bus enables the CPU to communicate with the memory controller chip.
Which of the following terms are measures of CPU speed? The terms megahertz (MHz) and gigahertz (GHz) describe how many million or billion (respectively) cycles per second a CPU can run.
Which CPU feature enables the microprocessor to support running multiple operating systems at the same time? Intel and AMD CPUs come with virtualizing support, enabling more efficient implementation of virtual machines.
Into which socket could you place an Intel Core i5? You'll find Core i5 processors in several socket pocket types, notably LGA 1155 and LGA 1154.
Which feature enables a single-core CPU to function like two CPUs? Intel love its Hyper-Threading, where a single-core CPU can function like a dual-core CPU as long as it has operating system support.
What steps do you need to take to install an Athlon 64 X2 CPU into an LGA 775 motherboard? Intel and AMD processors are not compatible at all.
A client calls to complain that his computer starts up, but crashes when Windows starts to load. After a brief set of questions, you find out that his nephew upgraded his RAM for him over the weekend and couldn't get the computer to work right afterward. Most likely, the nephew disconnected the CPU fan to get at the RAM slots and simply forgot to plug it back in.
Darren has installed a new CPU in a client's computer, but nothing happens when he pushes the power button on the case. The LED on the motherboard is lit up, so he knows the system has power. What could be the problem be? The best answer here is that he forgot the thermal compound, though you can also make an argument for a disconnected fan.
Created by: rtibunsayiii