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CANDIDATE NAME PAPER 3 COMPUTING COURSEWORK CENTRE NUMBER: CANDIDATE NUMBER: INTRODUCTION 5 SYSTEMS LIFE CYCLE 5 GATHERING DATA 6 PROBLEMS OF EXISTING SYSTEM 6 OBJECTIVES OF NEW SYSTEM 7 DESIGN 8 Feasibility of Using a Computer Based System: 8 Performance Requirements: 8 Costs: 8 Hardware 9 Software 9 Excel: 9 Access: 10 High Level Languages: 11 Evaluation of Software: 11 DATA REQUIREMENTS: 12 DATA FLOW 13 Data Flow Diagrams: 13 ENTITY-RELATIONSHIP DIAGRAMS 15 SYSTEM DESIGN 16 Top Down Design: 16 Jackson Structure Diagram: 16 User Interface: 17 Interface Styles: 18 1. Command Line Interface (e.g. MSDOS) 18 2. Menu's 18 Full Screen Menu: 18 Pull-Down Menu: 19 Pop-Up Menu: 19 3. Natural Language 19 4. Forms & Dialogue Boxes 20 Advantages of Using a Common User Interface: 20 MY DESIGN: 21 Outputs: 21 Hard Copy of Equipment: 21 Weekly Report: 21 Menus: 22 Methods of Data Entry: 23 Tables: 24 Security and Integrity of Data: 25 Validation Rules: 25 Back-Ups 25 Security: 25 Passwords 25 Encryption 25 Password Locks 25 IMPLEMENTATION 26 Entering Data Stores: 26 Data Entry Page: 27 Loan Equipment Macro: 29 Validation Rules To Prevent Human Error: 30 Viewing Patient Details: 32 Mail Merge Letter 33 Patient Search Facilities: 34 Managers Area: 35 Main Menu 36 Making the Spreadsheet User Friendly: 37 Security 38 Testing the Buttons: 39 Navigation Buttons: 39 Operation Buttons: 40 Testing Validation Rules: 41 MAINTENANCE: 42 User Documentation 42 System Documentation 42 Introduction I have been given the task of creating a system for a hospital to keep records of their loan equipment. It needs to be able to keep records of what equipment has been borrowed, by whom and when, and also if any...

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