Answered: Assume: You want to record the next…

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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Question

Assume: You want to record the next season of your favorite TV series using whatever TV recording system you use (e.g., cable box, DVR, streaming service).

Task: Prepare a Decision/Action Flow Diagram of the procedure using the following symbols (you may add symbols if necessary). Be as detailed as you can regarding all the actions taken by you and by the machine (including button presses, scrolling, storing, etc.), the decisions made by you and those by the machine (e.g., how many episodes? do you have access to that channel?), and everything that is displayed by the machine interface (TV or computer screen).

Use the following shapes to represent actions/decisions made by you or the system and system display.

Human action - circle, Machine action - double circle

Human decision - diamond, Machine decision - double diamond

Machine display - rectangle

Note. Every decision must have 2 paths (i.e., 2 arrows must leave each diamond or double diamond).

Assume: You want to record the next season of your favorite TV series
using whatever TV recording system you use (e.g., cable box, DVR,
streaming service).
Task: Prepare a Decision/Action Diagram of the procedure using the
following symbols (you may add symbols if necessary). Be as detailed as
you can regarding all the actions taken by you and by the machine (including
button presses, scrolling, storing, etc.), the decisions made by you and those
by the machine (e.g., how many episodes? do you have access to that
channel?), and anything that is displayed by the machine interface (TV or
computer screen).
Action
Class Exercise for Chapter 2: Design and Evaluation
Decision Action Analysis
Decision
Display
Human
Machine
Note. Each decision point must have at least 2 arrows leaving the diamond.

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