Suppose the size of the file that we are trying to sort is 512 disk blocks and the available buffer space in main memory = 4 disk blocks. Calculate the following: The number of initial runs (nR) The number of passes (nP) students claims thats nP=3.5

Suppose the size of the file that we are trying to sort is 512 disk blocks and the available buffer space in main memory = 4 disk blocks. Calculate the following: The number of initial runs (nR) The number of passes (nP) students claims thats nP=3.5

Programming Logic & Design Comprehensive

9th Edition

ISBN:9781337669405

Author:FARRELL

Publisher:FARRELL

Chapter7: File Handling And Applications

Section: Chapter Questions

Problem 3PE

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Concept explainers

Fundamentals of Input and Output Performance

The I/O subsystem is a component of computer system design that uses buses to assist communication between the Central Processing Unit, Computer Memory/Storage, and Input and Output Devices (that is known as peripheral devices). The I/O subsystem includes disc controllers, tape drives, discs, system buses, and other devices. The I/O database application reads and writes drives using the operating system windows I/O.

Question

Suppose the size of the file that we are trying to sort is 512 disk blocks and the available buffer space in main memory = 4 disk blocks. Calculate the following:

The number of initial runs (n_R)
The number of passes (n_P)

_{students claims thats}

n_P=3.5

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