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Information processes and Technology – The HSC Course Teacher Resource Kit

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Samuel D

avis 2008 Example decision table and tree for approving library loans OHPC4-392

The decision table below is used as the basis for approving loans at a particular library. Blanks on the rules grid below indicate either a tick or cross is possible. Conditions Rules Borrower is a current library member Borrower has overdue fines owing Borrower has overdue books Borrower has reached their item limit Resource is reserved Resource can be borrowed Actions Loan approved Loan rejected

An equivalent decision tree is reproduced below:

Library member

Overdue fines

Overdue books

Item limit reached

Resource reserved

Resource can be borrowed

Loan approved

Y N N N N Y

N Y

YY

YN

Y

N N N N N N

Fig 4.17 Example decision table and tree for approving library loans.

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Samuel D

avis 2008 Possible DFD for a library check-out transaction OHPC4-393

Fig 4.18 Possible DFD for a library check-out transaction.

Loan Receipt Details

MemberID

ItemLimit, ItemsBorrowedBookID

BookDetails, Reserved,

CanBorrow

MemberDetails, CurrentMember, OverdueFines, OverdueBooks MemberID

MemberOK

BookID

BookOK, Title

Final Loan Details

Books Check book

can be borrowed

Members

Approve loan

Library Database

Check member can

borrow

Overhead/Blackline Masters 118

Information processes and Technology – The HSC Course Teacher Resource Kit

Copyright ©

Samuel D

avis 2008 Checkpoint Meto’s Intelligent Library System OHPC4-395a

Overhead/Blackline Masters 119

Information processes and Technology – The HSC Course Teacher Resource Kit

Copyright ©

Samuel D

avis 2008 Checkpoint Meto’s Intelligent Library System OHPC4-395b

Fig 4.19 Checkpoint Meto’s Intelligent Library System

Source: Checkpoint Meto (www.checkpointmeto.com.au)

RFID Technology Transforming Food Retailers LikeWal-Martby: Research Recap

March 18, 2010 | about: IM / MOT

Retailers, especially grocery retailers such as Wal-Mart, are investing heavily in new technology that willsimplify transactions and increase customer service. A host of gadgets, such as touch-screen informationmonitors, hand-held scanners, RFID tagging and fingerprint identification, are now in place at many storesacross the U.S. and in Europe, according to Plunkett Research.

The biggest technology breakthrough in inventory management is RFID (radio frequency identification)—theplacement of microchips in product containers, cartons and packaging, combined with the use of special sensorsin warehouses or on store shelves that alert a central inventory management system as to shipment arrivals,product purchases and the need to restock inventory, communicating via wireless means. From loading docks tostore shelves to cash registers to parkinglots, RFID readers have the potential to wirelessly track the movement of each and every item of inventory.

Checkout stations will be equipped with receivers that automatically calculate purchases a of an entire cart ofmerchandise at a time, rather than each individual item. These systems can lead to great reductions in shopliftingand the elimination of costly manual inventory counts.

Leading suppliers of RFID tags include Intermec Technologies Corp. (IM) and Symbol Technologies, which isa unit of Motorola (MOT).

Another potential advantage of RFID is that manufacturers and distributors will be able to reduce overall inventorythanks to greater supply chain efficiency. Marks & Spencer (MKS), a major retailer in the U.K., is replacing barcodes with an RFID system, including tags for the millions of containers that hold food being shipped fromsuppliers to its stores. It takes a mere five seconds to receive data from 50 containers, an 85% improvement inthe time it takes to scan bar codes. The savings of time as well as reduced cost of spoiled food are expected tomake the system’s $3-million price tag feasible.

Wal-Mart (WMT) is also heavily invested in this new technology. The firm requires most of its top suppliers tohave RFID tags on every pallet and case coming to its distribution centers and stores. One industry estimatecalculates that the coded cases and pallets will save the retail giant $407 million per year. Should RFID tags beplaced on every item in every store, Wal-Mart has the potential to save immense sums yearly through fullimplementation of RFID systems.

Imagine using a cellphone camera to scan an RFIDembedded in the packaging of a steak. The data encrypted in that code links to aweb site showing pictures of the ranch from which the meat came and medical andfeed records pertaining to the specific cow. Science fiction you say? Software isalready on the market that enables camera-enabled phones to read barcodes.Supermarkets in Japan currently provide the technology via meat counter computersthat display information relating to specific codes on each package.

The greatest advantage of RFID implementation in stores such as Wal-Mart may be reduction of out-of-stocksituations. Proctor & Gamble (PG) a major supplier to Wal-Mart and other mass merchandisers, theorizes itcould increase annual sales by $1.2 billion via RFID technology by reducing incidences of out-of-stock items instores.

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In Germany, the grocer Metro AG (MEO) operates an entire store equipped with RFID, as well as several othertechnologies, called the Future Store (www.future-store.org). Not only is every item equipped with a tag, but a tagreader is also installed in each shelf. Customers are given touch-screen computers that also have readers, whichcan assist them in finding products in the store by a keyword search as well as ring up each item as it is placedin the cart. Metro recently launched the Mobile Shopping Assistant cellphone application that allows customers touse their phones instead of a store-issued touch screen. Customers can even prepare shopping lists in advancethrough their phones.

More details on technology use by food companies can be found in this complimentary download of excerpts fromPlunkett Research’s Food Industry Almanac.About the author: Research Recap

ResearchRecap (http://www.researchrecap.com/) is a service provided by Alacra (http://www.alacra.com/).Research Recap (http://www.researchrecap.com/) is designed to showcase compelling industry, economic,academic, market, investment and credit research. The audience includes the investment... More

Blog: researchrecap.com

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• U.S. Life Science Sector Set for Stable Growth, Led by Equipment...• Fitch Expects More Strategic M&A Activity in Packaged Foods• Research Primer: Hedge Fund Managed Accounts

Related stocks: IM, MOTRelated themes: Apparel & Footwear, Department & Discount, e-Commerce, Food & Restaurants, Leisure andGambling stocks

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Information Processes and Technology

Pay for I.T

Library Transaction Processing System RFID

Transaction Processing Systems

A. Identify each of the RFID readers present in the diagram of the Intelligent Library system. Discuss the information processes that use data from each of these RFID readers.

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B. Compare and Contrast the above RFID collection system with traditional manual and barcode collection systems.

Do this in a Venn diagram.

RFID Barcode

system