Exam 6: System Integration and Performance

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Serial channels in buses are more reliable than parallel channels at very high speeds.

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____________________ compression is usually applied only to audio and video data because the human brain tolerates missing audio and video data and can usually "fill in the blanks."

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A PC usually transmits data one bit at a time over a wireless connection, and a laser printer prints an entire page at once.

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When three cache levels are in use, the cache farthest from the CPU is called a ____ cache.

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​How can a cache controller be implemented?

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Data written to a cache during a write operation isn't automatically removed from the cache after it's written to the underlying storage device.

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____ is a cost-effective approach to computer system design when a single computer runs many different application programs or services.

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A ____ is a simple processor attached to a peer-to-peer bus that decides which devices must wait when multiple devices want to become a bus master.

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Until the 1990s, scaling up was almost always a more cost-effective strategy to increase available computer power because communication between computers was extremely slow compared with communication between a single computer's components.

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When the CPU detects an interrupt, it executes a master interrupt handler program called the ____________________.

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____ is a family of bus standards found in nearly all small and midrange computers and many larger ones.

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Both multicore and multiple-processor architectures are examples of scaling up because they increase the power of a single computer system.

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The phrase ____ describes approaches to increasing processing and other computer system power by using larger and more powerful computers.

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Explain lossless compression and provide an example.

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If a buffer isn't large enough to hold and entire unit of data transfer, an error called a ____ occurs.

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____________________ compression is required in many applications, such as accounting records, executable programs, and most stored documents.

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Disk caching is common in modern computer systems, particularly in file and database servers.

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​A ____ is a shared electrical or optical channel that connects two or more devices.

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Multiple-processor architecture is not common in workstations.

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A buffer for an I/O device is typically implemented on the sending computer.

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