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

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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Concept explainers

Network transmission cabling

A network is a collection of devices connected by communication links. A device can be a computer or any instrument capable of sending and receiving data or information formed by other nodes toward the network. A channel that connects people or things is known as a network. It sends the data from one place to another. It is the basic concept of a computer, network, and data communications.

Question

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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