a. Using a writing speed of 700 Mbits/s, how long would it take to store a 40 GB raw video file on a blue ray disk (express your answer in minutes)? b. How small would the 40 GB raw video file become if it is compressed with a compression ratio of 8. Express file size in MB,

a. Using a writing speed of 700 Mbits/s, how long would it take to store a 40 GB raw video file on a blue ray disk (express your answer in minutes)? b. How small would the 40 GB raw video file become if it is compressed with a compression ratio of 8. Express file size in MB,

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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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.

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