Sequential/Parallel/Distributed Computing - AP CSP

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What is sequential computing?

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A computing model where tasks are executed one after another in a linear sequence.

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What is parallel computing?

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A computing model where multiple tasks are executed simultaneously across multiple processors.

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What is distributed computing?

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A computing model where tasks are distributed across multiple computers that communicate over a network.

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What is the speedup in parallel computing?

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The ratio of the time taken to complete a task sequentially to the time taken to complete it in parallel.

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How do you calculate parallel run time if you know the sequential run time and speedup?

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Parallel run time = Sequential run time / Speedup.

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What is a CPU?

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Central Processing Unit, the primary component of a computer that performs most of the processing inside a computer.

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What does it mean for a computer to have multiple processors?

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It means the computer can perform multiple tasks simultaneously, improving performance and efficiency.

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What is the difference between a single CPU and multiple CPUs?

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A single CPU can handle one task at a time, while multiple CPUs can handle several tasks simultaneously.

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What is a task in computing?

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A specific operation or set of operations that a computer performs.

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What is the significance of task execution time in computing?

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It determines how long a task takes to complete, which affects overall system performance.