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23. Transaction processing systems
Management information systemand
decision support systems
Executive support system for seniormanagement
TYPESOFINFORMATIONSYSTEMS

24. Transaction processing system is atype of information system
. TPSscollect, store, modify and retrieve the transactions of an
organization, ATransaction is an event that generates or
modifies data that is eventually stored an information system.
E.g : Order entry system, cheque processing systems,
accounts receivables systems, payrollsystems and ticket
reservation systems
These systems help any company to conduct operations and
keep track ofits activities
Transaction processing
system

25. APAYROLLTPS
Payroll
System
EMPLOYEEDATA
Employee
/file
database
Togeneralledger
Management
reports
Togovernment
agencies
Employeepaychecks
Online
queries
Employee number
Address
Parate
Grosspay
Federaltax
Medicare
State tax
Net pay

26. ATPSrecords internal and external transactions for acompany. Itis a
repository of data that is frequently accessedby other systems
ATPSperforms routine , repetitive tasks .It is mostly used by lower
level managers to make operational decisions
Transactions can be recorded in batch mode or online.In batch mode
the files are updated periodically.In online mode , each transaction is
recorded asit occurs
There are six steps in processing a transaction.they are data entry
,data validation , data processing and revalidation , storage – output
generation and querysupport
TPSCHARACTERISTICS

27. • Process data generated by and abouttransactions
• Maintain a high degree of accuracy and integrity
• Avoid processing fraudulenttransactions
• Produce timely user responses andreports
• Increase labor efficiency
• Help improve customerservice
• Help build and maintain customer loyalty
• Achieve competitive advantage
Objectives of
TPS

28. TYPESOFTPS
• Onlinesystem:
• it involves adirect connection between the operator
and TPS program , they provide immediate result eg .
An order arrive by telephone call it is processed at
that moment and results are produced
• Batchprocessing:
• it is the second type of TPS,where transactions are
grouped together and processed asaunit
• for eg: acheque proccesing system in abank all the
cheque received in aparticular day are grouped
together. They are then sorted by the account no
and processed in abatch

29. Batch transaction processing:
Cheque clearance :written order asking bank topay money to
aperson
Bill generation : an invoice for general services provided to the
customers
Examples of real time transaction processing:
reservation systems; set aside service/product for future use
point -of-sale (POS)terminals;sells goods/services
library loan system ; keeps track of items borrowed from library
More Examples

30. Designates a specific category ofinformation systems
serving middle management.
Provides middle managers with reports on organization’s
current performance.
Information thus obtained is used to monitor and control
and business and predictfuture
MIS

31. • MIS is an integrative system
• MIS is Sub System concept
• Provides relevant information to management
• MIS is flexible
• Enhances productivity
• Is acoordinated system
• Feedback system
Characteristics of MIS

32. Order
Processing
system
Gen
eral
Led
ger
syst
em
Materials
Resource
Planning
system
MIS
Order
file
Production
Master
file
Accounting
file
Sales
data
Unit
Product
Costdata
Product
change
data
Expense
data
TPS
MIS
MIS
reports
managers