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A common measure of transmission for digital data is the baud rate, defined as symbols (bits in our case) per second. As a minimum, transmission is accomplished in packets consisting of a start bit, a byte (8 bits) of information, and a stop bit. Using these facts, answer the following: (a)* How many seconds would it take to transmit a sequence of 500 images of size 1024 x 1024 pixels with 256 intensity levels using a 3 M-baud (10 bits/sec) baud modem? (This is a representative medium speed for a DSL (Digital Subscriber Line) residential line. (b) What would the time be using a 30 G-baud (10° bits/sec) modem? (This is a represen- tative medium speed for a commercial line.)

A common measure of transmission for digital data is the baud rate, defined as symbols (bits in our case) per second. As a minimum, transmission is accomplished in packets consisting of a start bit, a byte (8 bits) of information, and a stop bit. Using these facts, answer the following: (a)* How many seconds would it take to transmit a sequence of 500 images of size 1024 x 1024 pixels with 256 intensity levels using a 3 M-baud (10 bits/sec) baud modem? (This is a representative medium speed for a DSL (Digital Subscriber Line) residential line. (b) What would the time be using a 30 G-baud (10° bits/sec) modem? (This is a represen- tative medium speed for a commercial line.)

Database System Concepts
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
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2.9 A common measure of transmission for digital data is the baud rate, defined as symbols (bits in our case) per second. As a minimum, transmission is accomplished in packets consisting of a start bit, a byte (8 bits) of information, and a stop bit. Using these facts, answer the following: (a)* How many seconds would it take to transmit a sequence of 500 images of size 1024 x 1024 pixels with 256 intensity levels using a 3 M-baud (10 bits/sec) baud modem? (This is a representative medium speed for a DSL (Digital Subscriber Line) residential line. (b) What would the time be using a 30 G-baud (10° bits/sec) modem? (This is a represen- tative medium speed for a commercial line.)
Transcribed Image Text:2.9 A common measure of transmission for digital data is the baud rate, defined as symbols (bits in our case) per second. As a minimum, transmission is accomplished in packets consisting of a start bit, a byte (8 bits) of information, and a stop bit. Using these facts, answer the following: (a)* How many seconds would it take to transmit a sequence of 500 images of size 1024 x 1024 pixels with 256 intensity levels using a 3 M-baud (10 bits/sec) baud modem? (This is a representative medium speed for a DSL (Digital Subscriber Line) residential line. (b) What would the time be using a 30 G-baud (10° bits/sec) modem? (This is a represen- tative medium speed for a commercial line.)
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