6 Pg 305 2. What is a data flow diagram? Why do systems analysts use data flow diagrams? Answers: A picture of the movement of data between external entities and the processes and data stores within a system. Systems analysts use DFDs to help in the analysis phase by accomplishing the following three things: 1. Requirements Determination 2. Requirements Structuring 3. Alternative Generation and Selection 3. Explain the rules for drawing good data flow diagrams. Answers: Process: A. No process
Premium Data flow diagram
Topology Diagram Topology Name Logical Characteristics Physical Characteristics Star Data passes through the hub to reach other devices on the network. Several devices having its own cable that connects to a central hub‚ or sometimes a switch‚ or even a Multi-station Access Unit (MAU). Data passes through the hub to reach other devices on the network. Ring Information is passed from one computer to another in either clock-wise direction or counter clock-wise direction and
Premium Network topology Computer
Component Diagram Notations The component diagram’s main purpose is to show the structural relationships between the components of a system. In addition‚ component diagrams are useful communication tools for various groups. In creating a component diagram‚ there are different notations that can be used to show the different relationship of each component within the system. The component diagram notation set now makes it one of the easiest UML diagrams to draw: * COMPONENT A component can
Premium Object-oriented programming Unified Modeling Language Dependency
products as well as computer accessories. The transaction and inventory of this company is currently using a traditional system which is manual. And when it comes to their sales transaction‚ the log book is the only record that represents the whole transaction. They did not provide any database. They depend only on the names of items written on their log book. Statement of the Problems This study intends to create Customized sales and inventory system; specifically it will seek to answer the following
Premium PHP Web server Receipt
USE-CASE DIAGRAM EXERCISE 1. Draw a use case diagram for an ATM machine with the following functionality. A customer’s interaction with the system involves logging in‚ making withdrawal requests‚ deposit requests‚ and balance inquiry requests. If the customer logs in‚ there is a possibility (although rare) that the system will confiscate the card (for example‚ if the login is incorrect or if the bank determines that the customer’s balance is significantly under zero). Card confiscation involves
Premium Patient Use case Physician
Free-body diagrams are diagrams used to show the relative magnitude and direction of all forces acting upon an object in a given situation. A free-body diagram is a special example of the vector diagrams that were discussed in an earlier unit. These diagrams will be used throughout our study of physics. The size of the arrow in a free-body diagram reflects the magnitude of the force. The direction of the arrow shows the direction that the force is acting. Each force arrow in the diagram is labeled
Premium Force Type system Classical mechanics
Priscilla Avila HCIS/245 3/6/2015 Wk. 5 WORKFLOW DIAGRAM Dorothy has been experiencing constant headaches and fatigue. She decides it is time to visit her doctor‚ and she contacts her doctor’s office and schedules an appointment for the following day. 1. Dorothy calls her doctor’s office and requests a next day appointment. 2. That night the medical office computer verifies her insurance eligibility as well as for all the next day’s appointments. 3. When Dorothy arrives at her
Premium Laboratory Patient Physician
T A B The Free Body Diagram The Concurrent System Free Body Diagrams • Essential step in solving Equilibrium problems •Complex Structural systems reduced into concise FORCE systems WHAT IS A FREE BODY DIAGRAM? A FBD is a simplified representation of a PARTICLE or RIGID BODY that is isolated from its surroundings and on which all applied forces and reactions are shown. All forces acting on a particle original body must be considered‚ and equally important any force not
Premium Force
Computerized Inventory System A Research Paper Presented to ACSI COLLEGE ILOILO In Partial Fulfillment of the Requirements in the Course of CSC209 System Analysis and Design (SAD) By: James Nick Amoroso Audrey Brillantes Renato Calubiran Jr Kristian Jebsen Germia Vicente Guarin Jr. Kristine Yap (BSCS II-A) Table of Contents Introduction Chapter I 1.1 Background of the Study . . . . . . . . . . 2 1.2 Statement of the Problem . . . . . . . . . . 3 1.3 Objectives of the
Premium Inventory Time
Accessories have to branches‚ all branches is using a manual inventory system. Each branch has its own inventory system and records transactions a day. The owner comes to visit in every branch to check the inventory and sales of the business weekly. It takes long time for them to record and file. All their transactions and they find difficulties and finding and searching their record in the past year or months. When recording their daily sales and inventory they should work together or their lot of people working
Premium Inventory control system Inventory Supply chain management