Chapter 10

Welcome

Chapter 10Business Operations

Now presentingSafiul Mukul ID: 21-069

Group ProfileGroup No-13: The Walkie TalkiesSL NONAMEROLL1Sadia Ishrat21-0422Safiul Mukul21-0693Md. Maha Islam21-0724Amar Krishan Podder21-1295Sanzida

Scope on FocusIncreasing Business Operations EfficiencyTransaction Processing SystemsBasic Business Information SystemsOther Business Information SystemsEnterprise Resource Planning Systems

Increasing Business Operations EfficiencyEfficiency has to do with how much a system produces relative to the resources, such as people and money, used by the system.

Example: Customer Order processing

Customer RequestCheck Product Availability

Check Customer CreditProduce Sales Order Sales Order

Transaction Processing Systems

TPS: This type of system processes data about transactions which are events that occur that affect the business in some way.

Transaction Processing System Structure

Users and Other TPSs

TPS softwareTPS InputTPS Outputs TPS Stored data

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Now presentingSadia Ishrat ID: 21-042

Transaction Processing System Functions

Transaction processing systems consist of four main functions to accomplish their purposes. They are:Input functionStorage functionProcessing functionOutput function

Input Function

Capture input dataEnter input dataValidate input data

Storage Function

Data in a transaction processing system is stored in data files and databases.

Two types of data commonly found in transaction processing systems:

Master dataTransaction data

Processing Function

Processing involves manipulating data within the system.

Two operations in the processing function:ComputationDecision making

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Output FunctionOutput from a transaction processing system can be displayed on a screen or printed on paper.

Three types of reportsDetail report Summary report Exception report

Now presentingAmar Khishna Podder ID: 21-129

Controlling Transaction Processing SystemsProcedures to ensure the completeness of the data processing and to minimize the chance of error are called controls. They include:Control TotalsAudit TrailsBackup and Recovery ProceduresProcessing Data in Transaction Processing Systems

Processing Data in Transaction Processing Systems

Two basic approaches to processing data in a transaction processing system:

Batch processing transactions to be processed are prepared in a form understandable by the computer before actual processing begins.On-Line Transaction Processing (OLTP) permits a person to use a keyboard and screen at the time the processing is done.

Example: Batch Processing and On-line transaction Processing

Basic Business Information Systems Eight basic information processing activities:Entering customer ordersBilling customersCollecting customer paymentsKeeping track of inventoryPurchasing stock and materialsPaying billsPaying employeesReporting financial information

Now presentingSanzida Parvin ID: 21-

Entering Customer Orders

Input Function:

Accept customer order data Processing Function:

Check Inventory QuantityCheck Customer credit

Output Function:

Produce sales order

Storage Function:Storage customer order dataAccess inventory master dataAccess customer master data

Inventory Control System

Input Function:Accept sales order data Accept receiving notice data Processing Function:Computing new quantity on handCheck for low quantity on handComputer inventory valueOutput Function:Produce inventory reorder report Produce inventory value reportStorage Function:Update inventory master dataAccess inventory master data

Other Business Information Systems

Accounting Information Systems

Accounting Information Systems (AIS) support the accounting function. Several commonly used AIS systems are:Fixed asset accountingBudgetingTax accounting

Financial Information SystemsFinancial information systems provide necessary support for the finance function. Some common financial information systems include:Cash managementCapital expenditure analysisFinancial forecastingPortfolio managementCredit analysis

Now presentingMD. Maha Islam ID: 21-072

Marketing Information SystemsMarketing information systems assist in the marketing function. Common marketing information systems include:Sales analysisSales forecastingMarketing researchDirect mail advertisingElectronic commerceSales force automation

Manufacturing Information Systems

Manufacturing information systems provide services to support the manufacturing function. Some common manufacturing information systems include:Production schedulingMaterials Requirements Planning (MRP)Manufacturing Resource Planning (MRPII)

Human Resource Information SystemsHuman Resource Information Systems (HRIS) support the human resource function. Common HRIS include:Performance appraisalSkills inventoryBenefits administrationJob applicant tracking

Enterprise Resource Planning Systems

Enterprise Resource Planning Applications

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