Exam 1: Computer Systems Overview

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With interrupts, the processor can not be engaged in executing other instructions while an I/O operation is in progress.

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The __________ is a device for staging the movement of data between main memory and processor registers to improve performance and is not usually visible to the programmer or processor.

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A system bus transfers data between the computer and its external environment.

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The __________ contains the data to be written into memory and receives the data read from memory.

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The invention of the _________ was the hardware revolution that brought about desktop and handheld computing.

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One mechanism Intel uses to make its caches more effective is __________ , in which the hardware examines memory access patterns and attempts to fill the caches speculatively with data that is likely to be requested soon.

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A Control/Status register that contains the address of the next instruction to be fetched is called the _________.

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The two basic types of processor registers are:

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The __________ is a point-to-point link electrical interconnect specification that enables high-speed communications among connected processor chips.

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The concept of multiple programs taking turns in execution is known as __________.

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Registers that are used by system programs to minimize main memory references by optimizing register use are called __________ .

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The interrupt can occur at any time and therefore at any point in the execution of a user program.

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The Program Status Word contains status information in the form of condition codes, which are bits typically set by the programmer as a result of program operation.

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When an external device is ready to accept more data from the processor, the I/O module for that external device sends an __________ signal to the processor.

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An SMP can be defined as a stand-alone computer system with two or more similar processors of comparable capability.

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An example of a multicore system is the Intel Core i7.

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The four main structural elements of a computer system are:

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It is not possible for a communications interrupt to occur while a printer interrupt is being processed.

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A __________ organization has a number of potential advantages over a uniprocessor organization including performance, availability, incremental growth, and scaling.

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A __________ computer combines two or more processors on a single piece of silicon.

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