SOLUTIONS for Assignment #2
Contents
1. Request Recipe Based on Food tems In Inventory lt Extends gt Output Requested Recipe User accessing via Internet Log In to CARA System Log Out of CARA System Q6 10 State Machine Diagram to keep track of food items currently in the kitchen and information about each item Unauthorized Accass Deniod Access CARA sot Validate Usar Credentials siS do Food Categories Require More Epin Dee Information 0 o paz110 yyy Alphabetically tem Availabiliy liom Quantity Add lem lo Database Information Request Grante d Time Before Removal From Fridge Remove From Q7 5 5 5 15 Activity Diagrams 7 a Positive user CARA accessDenied Access CARA O accessGranted Selects 3 Recipes List Recipes Complies a List of All Required Food to Make All 3 Recipes Request a Shopping List Removes Items Currently in Stock Displays a List of Necessary ingredients to Purchase exitCARA b Negative Access CARA Enter Account Info Checks the Fridge for Ingredients Discovers Food items are missing unavailable Unauthorzed Authorized CARA Checks Inventory Database Displays All Ingredients Are Available c Abnormal Remove Items From Fridge Access CARA Requests a List of Recipes Which Can be Prepared Using the Food Currently in Inventory accessDenied accessGranted2. Searches Through Current Inventory Reports That No Recipes Can be Made with Current Inventory exitCARA 10 Q8 10 3 7 The following is a sample solution 1 The doors must be able to open when the elevator is fully arrived at each floor of the hotel Note The additional state of available has to be added to doorState For the door to be open it must be available as indicated by the second statement which only occurs when the elevator is at a floor indicated by the first statement doorState closed open available at Floor FLOOR gt true false f e FLOORS e ELEVATORS be BUTTONS Vf e FLOOR atFloor f true doorState e available door State e open gt doorState e available Vf e FLOOR atFloor f false gt doorState e closed 2 Pressing a floor number button on the elevator will set the elevator to move in that direction to the indicated floor after the doors close Note The hold direction does not need to be included because it is encompassed by the floorsPressed set being empty There are three predicates from this requirement The first is if a button is pressed and that floor is above where they currently are doors close and the elevator begins to move up The second is parallel to it but if the floor is below the current floor then the elevator goes down The requirement doesn t state that the elevator had to be moving in that direction originally if the elevator is
3. Volere Requirements Specification Documents 22 Table of Contents 1 Project Drivers 1 1 Purpose of the Project 1 2 The Client the Customer and Other Stakeholders 1 3 Users of the Product siririn 2 Project Constraints 2 1 Mandated Constraints 2 2 Naming Conventions and Definitions See Saree 2 3 Relevant Facts and Assumptions 3 Functional Requirements 3 1 The Scope of the Work serres 3 2 The Scope of the Product cornnnnrnninninnos 3 3 Functional and Data Requirements 4 Nonfunctional Requirements 4 1 Look and Feel Requirements serrer 4 2 Usability and Humanity Requirements 4 3 Performance Requirements 4 4 Operational and Environmental Requirements Sd 4 5 Maintainability and Support Requirements 4 6 Security Requirements 4 7 Cultural and Political R quire teen reines 4 8 Legal Requirements cornrennoncnnnnaninnns 5 Project Issues 5 1 Open Issues 5 2 O_ the Shelf Solutions 5 3 New BPG M EN A A 5 4 Tasks 5 5 Migration to the New Product 5 6 Risks 5 7 Costes 5 8 User Documentation and Training A ados 5 9 Waiting ROOM td Heed iaa 5 10 Ideas for Solutions conmsnninencincnninnos N Ww y ww hop Bi ite Io ate ed Dido Mu ul ae IA 2 23 1 Project Drivers 1 1
4. M RAR at ares TSOV TVI W EEE re dad gs eset Aan en de Gow de rien DL Rene ole dass 2 General Description 3 Specification Requirements 2 T Proqu t P rspectiVeis 22252 ci He seers nan AM benne 2 2 FUNCTIONS ES oot se eet ia aia 2 3 Yser Characteristics sy 2228 a acid 2 4 General ConStraints Vi od dd 2 5 Assumptions amp Dependencies sesssssseceeseceecaecnscesesaaesaseaes cass 2 6 Apportioning of Requirements anes 3 1 Functional Requirements 4 eas 3 2 External Interface Requirements caceseeecseceseeeceseesaeeaesaeseeseeses 3 3 Performance Requirements sevseesaeceeesecescaesesessessaesaesase cass ZA Design CONSTA a a Shs eed dirt detre 3 5 Software Quality Attributes 2 00 ee ceetaececeseeecesesssesaesaseeeseseeseaees 3 6 Other Requirements cnsnnennonennnnnnnnonanncnnonnnononnannannnnnnos 1 Introduction The CyberFridge project aims to improve and add further functionality to a common household appliance The CyberFridge uses Internet connectivity vision and mechanical systems to create an intelligent and productive refrigerator Most specifically its software the CARA system is being implemented to provide various services which will improve the consumer s day to day life and interactions with their fridge 1 1 Purpose The purpose of this Software Requirements Specification SRS document is to provide a complete d
5. criteria in which the food list is out putted i e food categories alphabetical list time remaining before expire etc The system should be able to return information on any item requested by the user i e quantity on hand and the time remaining before it must be removed from inventory The system must update the database when users add items or remove them from inventory Users must be able to create or modify categories in the system while also being able to modify the recipes and where they belong Users must be able to download recipes remotely from outside servers through the use of internet The system shall be able to output a list of possible recipes which can be prepared using the food on hand The system shall be able to output a list of food items needed to be purchased in order to prepare a particular recipe or group of recipes The system should be able to output a list of suggested recipes based on criteria set by the user i e recipes for special occasions recipes using or not suing specific food items and recipes which utilize food which will need to be disposed of in the near future due to expire dates System must be able to output lists of recipes based on user s favorite recipes recipes not used recently or recipes ordered by preparation time Users should be able to access CARA through the internet The system must have an internet accessible interface which will allow users to access capabilities of the CyberFridge th
6. product scanner which keeps track of the inventory of the fridge The software must respond to signals sent by buttons and other hardware components of the fridge The software shall interact with local power systems to obtain electricity which will essentially power the whole CyberFridge The software is expected to be able to communicate with devices of varying OS such as Windows Apple or Linux Performance Requirements The following is a list of performance requirements the software must meet 3 4 Speed Requirement the system shall be able to load under 30 sec on a Bell Sympatico or equivalent connection Capacity Requirement the database must come with 13 recipes divided into 3 categories which will be picked from cookbooks or for the web as needed Reliability and availability Requirement The product should be available for use 24 hours per day 365 days per year The internet accessible interface should also be accessible at all times Design Constraints The following is a list of development requirements the software must meet The system must be programmed using Java The system must be cross platform and work on Windows Apple and Linux devices The system must be linked to a powerful server to store its database The development of the software must be completed within the assigned time frame and budget 20 3 5 Software Quality Attributes The following is a list of security maintainability and portabilit
7. reduce the time it takes to complete these tasks Potential User Problems The user must adapt and learn how to use the system along with its interface 5 4 Tasks Project Planning The software system to be should last as long as the CyberFridge and should have scheduled maintenance and updates on each device to ensure all users able to use the product to its fullest Planning of the Development Phases A detailed project timeline is necessary to keep workers on track and ensure specific milestone dates are met It would also be a good idea to break up tasks into different phases so as to take on the project in a step by step process 5 5 Migration to the New Product Requirements for Migration to the New Product The implementation of the new system is to be broken down into phases which would focus on different aspects of CARA Phases would include ensuring the system keeps track of food items the system keeps track of recipes and the user is able to access CARA through the internet A backup for the new system will be implemented so as to prevent the loss of data that is stored on the servers 5 6 Risks The risks present in the system include Loss of Recipes Loss of Privacy Unable to Access System Inaccurate Database Corrupted Data Inaccurate Food Item Information 5 7 Costs The cost for this project must be within the project budget assigned by the project manager Furthermore keeping the costs to produce the pr
8. CS SE 3RA3 Sample Solutions to Assignments 2 Total of this assignment is 105 pts Each assignment is worth 10 Note If you think your solution has been marked wrongly write a short memo stating where marking in wrong and what you think is right and resubmit to me during class office hours or just slip under the door to my office Qi 10 Both the IEEE Std 830 requirements document and the Volere requirements document are on a separate file Both documents had a lot in common a lot of the content was the same and both outline the main functional and non functional requirements Though formatted differently all the requirements and constraints were listed in both documents Volere however went into further detail and required us to describe the scope of work risks involved in the project along with the various project issues at the bottom of the document For this project believe that the Volere template is a better pattern to follow for the CyberFridge system As it is a brand new system never developed before further detail is necessary as we need to ensure all aspects of requirements risks and constraints are addressed The IEEE lacks some information that the Volere requires us to provide and though it is clear and concise discrepancies on the information in the SRS is not ideal By covering the extra topics such as risks and project issues developers are able to make sure all problems are addressed and the system is implement
9. Purpose of the Project The purpose of this Software Requirements Specification SRS document is to provide a complete description of the various requirements which are needed to design the CARA system used in the CyberFridge This document is meant to further develop our understanding of the software system and all of its requirements 1 2 The Client the Customer and Other Stakeholders This document is intended for the use of all the stakeholders participating in the CyberFridge project specifically those involved in the development of the CARA software system These stakeholders include the various consumers such as business owners home owners house keepers restaurant owners and chef cooks Other stakeholders which are responsible for the development of the software include the project manager leader engineers programmers the architect the security analyst and possible replacement personnel 1 3 Users of the Product e General Public Primarily Home Owners or Chefs The users shall access CARA through the use of the buttons and display on the CyberFridge or online through the internet accessible interface e Maintenance Users and Service Technicians The software will be updated and adjusted consistently the professionals working on these updates will require the product to have some features to facilitate modifications 2 Project Constraints 2 1 Mandated Constraints Requirements which can be delayed until future versions o
10. and Abbreviations Table Symbol Description SRS Software Requirements Specification GUI Graphic User Interface Ul User Interface OS Operating System CARA Clifford Automated Recipe Agent List of Definitions e CARA this refers to the software portion of the CyberFridge and will serve the purpose of electronically storing recipes keeping track of the fridge inventory etc 1 4 References This document references the IEEE Std 803 template for Requirements Specification which can be found in SE 3RA3 Lecture notes 12 The Cyber Fridge and CARA system description are referenced from Assignment 1 1 5 Overview The remainder of the SRS will outline the general description of the software any constraints assumptions and dependencies and most importantly and specific requirements of the CARA system which will be described in great detail The Specific Requirements section of this document will go over the functional requirements and the various non functional requirements 2 General Description 2 1 Product Perspective The CARA software system which specified in this SRS is a part of a larger system they CyberFridge system Hence the software must be able to interface with the fridge system s hardware physical mechanisms such as the display on the fridge the sensors used to track inventory and any buttons on the fridge itself 2 2 Functions This subsection will describe the main functions CARA must have e K
11. ator is used The CARA system which is to be specified in this document handles all of the software aspects to the CyberFridge and though it makes use of the fridge s hardware it does not handle the physical mechanisms The following document entails the specification of the software only The goal of creating this software is to create a fridge system which makes everyday tasks relating to the use of a refrigerator simpler more convenient and more efficient 3 3 Functional and Data Requirements Functional Requirements include e The system shall allow users to use a recipe system to determine what recipe they want to x e The system shall maintain a database of various recipes e The recipe agent shall electronically create a shopping list to inform users of items which are lacking for specific recipes while also informing the user of what is present in the CyberFridge e The system should be able to reference what is in the fridge and compare it to the recipe database e The database should be able to record and sort the various recipes in different categories e The system must maintain a counter to record the most popular dishes previously selected in relation to other dishes e Users should be able to add new recipes to the system e CARA food tracker must keep track of the amount of items in stock and their expiration dates The system must be able to output a list of all food items in inventory The user shall be able to 25 set the
12. ble ID ingredientDoesMNotExis Solution2 Version used in databases The structure used is the version used in databases It is easier to read as entities relationships and attributes have different shapes to identify them rather than being crammed together Also where the database version is better is in identifying relationships Relationships are represented by a distinct diamond that connects entity sets rather than just a word on a line the diamond is much clearer to see that it is a relationship It is also easier to see the distinction between an entity set and its attributes in the database version LinkedTo CO QO SO SIO Q4 10 Data Flow Diagram Open D3 StockFile Check Stock Scanned Ingredient Ingredients Available Data to be Stored Ingredients Required Stored Recipes D2 RecipeFite 20 Access Database Recipe Info Inputted Recipe 10 D1 Acctinfo Account Info Access Cara Save Q5 10 Context Diagram Food Item Scanner tem Added Removed Output Information Inventory List L User Requests i item Inf CARA Req CyberFridge Food Item Info as Update Database System Use Case Diagram Add liem to Inventory CyberFridge Scans liem Remove ltem From Inventory Modify Recipes Check Recipe List lt lt Extends gt gt Update Recipe on Database Access CARA Database
13. ed properly Q2 4 2 2 a Maintainability and Portability Requirements Portability Requirements CyberFridge is expected to be able to communicate with Windows Apple or Linux devices Fit Criteria The CyberFridge is expected to be able to communicate with at least 90 of Windows Apple or Linux devices older models with those OS may not be able to handle the new system b Security Requirements Confidentiality A password is required to access personal information such as recipe interests and to view any information remotely Fit Criteria The user s password must be a strong password to ensure lower the risk of compromising information A strong password must have a minimum length of 8 contain a lower case and upper case letter anumber and a symbol Q3 10 Build an entity relationship diagram to declare and structure the data of the systems Solution1 UML Based Entity Relationship Diagram is UML based version of the entity relationship diagram It is easier to understand and follow as opposed to the one used in databases This version does not require you to understand what each shape and symbol means Also the UML based version fully labels the diagram and in my opinion provides greater detail Category Category Requires Requirement ps mr i amountLeft m expirationDate constrainted constrsinied by ingredientiD su ee Category insuficientingredients Instructions ingredientNotAvalla
14. eep Track of Inventory the software works with the sensors hardware device to maintain a record of what food ingredients are in the fridge e Online Access ability to access CARA online and edit modify the recipes while also being able to check ingredients present in the fridge e Maintains Database the software systems keeps track of all the information stored in the database and creates backups in case of system failure 2 3 User Characteristics Some assumptions about the user includes e The user does not require any experience with the CyberFridge or CARA e The user must be able to read understand the language CARA is i e English e The user must have electricity to power the CyberFridge 2 4 General Constraints 18 The constraints for this project will mainly be budget and time constraints The cost of the software must be no more than the budget allocated by the project manager so as to earn a profit when distributing the system to clients The time constraints present would be to meet all the deadlines milestone dates and essentially complete the CARA system in time for the release of the CyberFridge 2 4 Assumptions amp Dependencies Environment assumptions for our system include e Availability of internet connection at all times e Availability of electricity to properly power the system at all times e Proper hardware to make use of the CARA software 2 5 Apportioning of Requirements Requirements which can be de
15. escription of the various requirements which are needed to design the CARA system used in the CyberFridge This document is meant to further develop our understanding of the software system and all of its requirements This document is intended for the use of all the stakeholders participating in the CyberFridge project specifically those involved in the development of the CARA software system These stakeholders include the various consumers such as business owners home owners house keepers restaurant owners and chef cooks Other stakeholders which are responsible for the development of the software include the project manager leader engineers programmers the architect the security analyst and possible replacement personnel 1 2 Scope The CARA system and CyberFridge is meant to be deployed in a household or business setting or anywhere a refrigerator is used The CARA system which is to be specified in this document handles all of the software aspects to the CyberFridge and though it makes use of the fridge s hardware it does not handle the physical mechanisms The following document entails the specification of the software only The goal of creating this software is to create a fridge system which makes everyday tasks relating to the use of a refrigerator simpler more convenient and more efficient 1 3 Definitions Acronyms Abbreviations This section lists key terms abbreviations which may be used throughout the document Acronyms
16. f the system are released would include the need for software updates hardware and software maintenance aesthetics and user friendly UI GUI which is not a main priority of the system 2 2 Naming Conventions and Definitions This section lists key terms abbreviations which may be used throughout the document Acronyms and Abbreviations Table Symbol Description SRS Software Requirements Specification GUI Graphic User Interface Ul User Interface OS Operating System CARA Clifford Automated Recipe Agent 24 List of Definitions e CARA this refers to the software portion of the CyberFridge and will serve the purpose of electronically storing recipes keeping track of the fridge inventory etc 2 3 Relevant Facts and Assumptions Relevant facts and assumptions for our system include e Availability of internet connection at all times e Availability of electricity to properly power the system at all times e Proper hardware to make use of the CARA software 3 Functional Requirements 3 1 The Scope of the Work The scope of our work focuses on the CARA software which is the main focus of the project but will also interact with the hardware components Work on CARA will focus on its design and implementation to meet all of the requirements and constraints 3 2 The Scope of the Product The CARA system and CyberFridge is meant to be deployed in a house hold or business setting or anywhere a refriger
17. going up in practice it should only service floors pressed that are above the current floor so those conditions were not added Instead whatever is pressed it will go to regardless of previous direction elevatorDirection ELEV ATOR up down hold floorsPressed set MAX FLOORS isPressed FLOOR gt true false curkloor FLOOR fe FLOORS e ELEVATORS be BUTTONS isPressed f A f gt curFloor floorsPressed floors PressedU f AdoorState e closed elevator Moving trueAelevator Direction up isPressed f A f lt curFloor gt floorsPressed floorsPressedU f AdoorState e closedAelevator Moving trueAelevator Direction down 3 In the case of any hotel wide emergency system activating eg fire alarm all elevators go to out of service status iskimergency HOTELSTATE emergency safe fe FLOORS e ELEVATORS be BUTTONS isEmergency h emergency Ve ELEV ATOR elevator Status e outService Q9 10 A safety concern with the Cyberfridge that believe is important to note is possibilty of having it losing power resulting in the food inside it to spoil This ay lead to a user to unknowingly consuming bad food and potentially falling ill To prevent this from happening an alert can be displayed to the user on the interface of the fridge noting that food may have spoilied in the Cyberfridge when it is turned back on Safety Concern Power shuts down in fridge
18. layed until future versions of the system are released would include the need for software updates hardware and software maintenance aesthetics and user friendly UI GUI which is not a main priority of the system 3 Specific Requirements 3 1 Functional Requirements Functional Requirements include e The system shall allow users to use a recipe system to determine what recipe they want to x e The system shall maintain a database of various recipes e The recipe agent shall electronically create a shopping list to inform users of items which are lacking for specific recipes while also informing the user of what is present in the CyberFridge e The system should be able to reference what is in the fridge and compare it to the recipe database e The database should be able to record and sort the various recipes in different categories e The system must maintain a counter to record the most popular dishes previously selected in relation to other dishes e Users should be able to add new recipes to the system e CARA food tracker must keep track of the amount of items in stock and their expiration dates e The system must be able to output a list of all food items in inventory e The user shall be able to set the criteria in which the food list is out putted i e food categories alphabetical list time remaining before expire etc e The system should be able to return information on any item requested by the user i e quantity on hand and
19. o being able to access the CyberFridge capabilities via internet 4 5 Maintainability and Support Requirements e The system should run on Google Chrome Explorer Firefox running on PC under Windows 7 or Apple under Safari or Windows 7 Parallel 4 6 Security Requirements e Users must have a password to be allowed access to the recipe agent system e Aclient side refresh is required to trigger any database accesses or display events e The system needs to keep multiple copies of all necessary data and code being saved to prevent data loss in the case of a system crash 4 7 Cultural and Political Requirements e N A 4 8 Legal Requirements e N A 5 Project Issues 5 1 Open Issues e N A no issues raised at the time the CyberFridge system is still in the development phase 5 2 Off the Shelf Solutions Ready Made Products e N A no other products like the CyberFridge yet Products That Can Be Copied e Similar products which we can reference would be online recipe books shopping lists as CARA is basically an online recipe agent for the CyberFridge system 5 3 New Problems Effects on the Current Environment e The CyberFridge system will make interactions with a refrigerator simple efficient and more convenient The system will help users keep track of what they have in the fridge and also help 27 them decided on what they need to get from stores based on their current inventory or what recipe they wish to make By using CARA it will
20. oduct lower than the selling price would provide more profit and revenue to the company 5 8 User Documentation and Training The product must meet the ease of use and ease of learning requirements thus the required documentation to be supplied to the user is very minimal A short user manual and setup document would suffice in helping users understand how to use the system 28 5 9 Waiting Room Similar to mandated constraints requirements which can be delayed until future versions of the system are released would include the need for software updates hardware and software maintenance aesthetics and user friendly UI GUI which is not a main priority of the system Furthermore other requirements may appear throughout the software development process and can be addressed later on 5 10 Ideas for Solutions e N A
21. ource occurs then it will eventually be acknowledged request and acknowledged are atomic predicates Solution o requested acknowledged Q11 10 The following is a sample solution SRC tables are most useful when observing how the CARA system works and interacts with the internet Explicitly stating each event condition and transition helps to understand what how the system works and what is required ofit Transition Table for Accessing CARA sin camino tu es CN EAS systemUl T requestinventory true systemUl OT modifyInventory updateSystem true output OT displayedinv true displayedinv T displayedinv true true systemo updateSystem T furtherRequests systemOff false Event Table for the term Connected login T serverAccess off T reconnect true sytemUl WHEN serverAccess off output updateSystem Condition Table for Variable Conditions EE NOT powerOff AND NOT powerOff OR accountlnfo flase accountlnfo false systemUl True False output updateSystem Access CARA Authorized notAuthorized SE 3RA3 Assignment 2 Question 1 a IEEE Std 830 Requirements Specifications Documents Table of Contents 1 Introduction LL PUDO ns NAS DU ee Se te MR A SR rt es 1 2 Scope 1 3 Definitions Acronyms Abbreviations ssesssssssesssreseesesessessiresesesse TA RETEREN CES ss rate Setanta ue rire rente nn RE
22. rough the World Wide Web 4 Nonfunctional Requirements 4 1 Look and Feel Requirements The CyberFridge should have a display which users can use to view information outputted by CARA 4 2 Usability and Humanity Requirements Ease of use the CyberFridge and CARA should be easy to use by a wide range of people i e from ages 12 and up as the system is meant to be implemented in a common household setting Ease of learning it should be easy to learn how to use the product as it may be used in a variety of different settings such as in homes businesses restaurants etc 4 3 Performance Requirements Speed Requirement the system shall be able to load under 30 sec on a Bell Sympatico or equivalent connection Capacity Requirement the database must come with 13 recipes divided into 3 categories which will be picked from cookbooks or o_ the web as needed Reliability and availability Requirement The product should be avail able for use 24 hours per day 365 days per year The internet accessible interface should also be accessible at all times 26 4 4 Operational and Environmental Requirements e A TCP IP connection is required to access the Internet Programmed in Java so it is platform independent and should run on any target platform without modification but is specifically made to run and is tested on a Windows 7 platform e Expected physical environment The product is meant to be used by the consumer in a kitchen while als
23. spoiling the food Formal Specification Domain and Notation STATE set of all possible states of the fridge circuit power powerOn true false alert true false alertAcknowledged true false alertDisplayState STATE alertDisplayed alertNotDisplayed ee STATE Statement powerOn false alert true alert false alertDisplayState alertNotDisplayed alert true alertAcknowledged false alertDisplayState notDisplayed alertDisplayState alertDisplayed alert true alertAcknowledged false alertDisplayState alertDisplayed alertDisplayState alertDisplayed alert true alertAcknowledged true alertDisplayState alertDisplayed alert false alertDisplayState alertNotDisplayed Q10 6 2 2 2 The following is a sample solution Express the following statements in Linear Temporal Logic a A passenger entering the elevator at 5 floor and pushing a floor button will always reach 2 floor even if she he entered an upwards travelling elevator In this case you might use the following atomic predicates floor 2 direction up direction down ButtonPres2 floor 5 etc Solution o floor 5 A ButtonPressed2 A direction up V direction down floor 2 b It is impossible to get a state where started holds but ready does not hold started and ready are atomic predicates Solution o started A ready C For any state if a request of some res
24. the time remaining before it must be removed from inventory e The system must update the database when users add items or remove them from inventory e Users must be able to create or modify categories in the system while also being able to modify the recipes and where they belong e Users must be able to download recipes remotely from outside servers through the use of internet 3 2 3 3 The system shall be able to output a list of possible recipes which can be prepared using the food on hand The system shall be able to output a list of food items needed to be purchased in order to prepare a particular recipe or group of recipes The system should be able to output a list of suggested recipes based on criteria set by the user i e recipes for special occasions recipes using or not suing specific food items and recipes which utilize food which will need to be disposed of in the near future due to expire dates System must be able to output lists of recipes based on user s favorite recipes recipes not used recently or recipes ordered by preparation time Users should be able to access CARA through the internet The system must have an internet accessible interface which will allow users to access capabilities of the CyberFridge through the World Wide Web External Interface Requirements The CARA system must be able to communicate with the CyberFridge through the use of the internet The software must send and receive signals from the
25. y requirements 3 6 Users must have a password to be allowed access to the recipe agent system A client side refresh is required to trigger any database accesses or display events The system needs to keep multiple copies of all necessary data and code being saved to prevent data loss in the case of a system crash The system should run on Google Chrome Explorer Firefox running on PC under Windows 7 or Apple under Safari or Windows 7 Parallel Other Requirements The following is a list of other requirements such as Usability Operational and look and feel Ease of use the CyberFridge and CARA should be easy to use by a wide range of people i e from ages 12 and up as the system is meant to be implemented in a common household setting Ease of learning it should be easy to learn how to use the product as it may be used in a variety of different settings such as in homes businesses restaurants etc A TCP IP connection is required to access the Internet Programmed in Java so it is platform independent and should run on any target platform without modification but is specifically made to run and is tested on a Windows 7 platform Expected physical environment The product is meant to be used by the consumer in a kitchen while also being able to access the CyberFridge capabilities via internet The CyberFridge should have a display which users can use to view information outputted by CARA 21 SE 3RA3 Assignment 2 Question 1 b
Download Pdf Manuals
Related Search