Answered: (a) What is involved in low-level…

Engineering

Computer Science

(a) What is involved in low-level formatting of a disk (HDD)?

Systems Architecture

7th Edition

ISBN:9781305080195

Author:Stephen D. Burd

Publisher:Stephen D. Burd

Chapter12: Secondary Storage Management

Section: Chapter Questions

Problem 9VE

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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

(a) What is involved in low-level formatting of a disk (HDD)?

(d) A file consists of 20 disk blocks (numbered O to 19). Assume that file control block and directory are already in the memory. A block is to be inserted in the middle of the file (as 10th block). How many disk read and how many disk write I/'O operations are needed if contiguous allocation scheme is used by the file system ?

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