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TRANSCRIPT
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Course : Z0257 Accounting InformationSystem And Internal Control (2/2)
!ecti"e #eriod : Se$tem%er 20&5
Overview of TransactionProcessing and ERP Systems
Session 2
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These slides have been adapted from:
Romney B. arshall and Steibart !. Pa"l. #2$%2&.Accounting Information System. %2th edition. Pearson
Ed"cation. 'ondon. (SB):*+,$2+-+/-+/.
0hapter 2
Acknowledgement
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Learning Objectives
Describe the four major steps in the data processing cycle. Describe the major activities in each cycle.
Describe documents and procedures used to collected andprocess data.
Describe the ways information is stored in computer-basedinformation systems.
Discuss the types of information that an AIS can provide.
Discuss how organiations use !"# systems to processtransactions and provide information.
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Data #rocessing $ycle
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Input #rocess Output
Storage
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he Data #rocessing $ycle Determines
hat data is stored/
ho has access to the data/
*ow is the data organied/
*ow can unanticipated information needs be met/
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Data Input1$apture
As a business activity occurs data is collected about2
(. !ach activity of interest
&. he resources a3ected
+. he people who are participating
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#aper-5ased Source Documents
Data are collected onsource documents !.g.) a sales-order form
he data from paper-based will eventually
need to be transferredto the AIS
urnaround 6sually paper-based Are sent from
organiation to
customer Same document is
returned by customer toorganiation
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$ust.Org.
urnaround Document
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Source Data Automaton
Source data is captured
In machine-readable form
At the time of the business activity
!.g.) A89s: #OS
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Data Input1Accuracy and $ontrol
ell-designed source documents can ensure that datacaptured is
Accurate
#rovide instructions and prompts
$hec< bo=es Drop-down bo=es
$omplete
Internal control support
#renumbered documents
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Data Storage
ypes of AIS storage2
#aper-based
Ledgers
?ournals
$omputer-based
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Ledgers
@eneral
Summary level data foreach2
Asset) liability) euity)revenue) and e=pense
Subsidiary
Detailed data for a @eneralLedger B$ontrolC Account
that has individual sub-accounts
Accounts "eceivable
Accounts #ayable
A"
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?ournals
@eneral
Infreuent or specialied transactions
Specialied
"epetitive transactions
!.g.) sales transactions
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$oding echniues
Seuence
Items numbered consecutively
5loc>>>> G !lectric "ange
@roup
#ositioning of digits in code providemeaning
8nemonic
Letters and numbers !asy to memorie
$ode derived from description of item
$hart of accounts
ype of bloc< coding
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Digit Position Meaning
(F& #roduct Line)sie) and so on
+ $olor
,F0 Hear of8anufacture
4F7 Optional eatures
(&,(''' (& G Dishwasher, G hite
(' G &'(''' G Jo Options
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$omputer 5ased Storage
!ntity #erson) place) or thing BJounC
Something an organiation wishes to store data about
Attributes
acts about the entity
ields
here attributes are stored
"ecords
@roup of related attributes about an entity
ile
@roup of related "ecords
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ile ypes
ransaction
$ontains records of abusiness from a speciEcperiod of time
8aster
#ermanent records
6pdated by transactionwith the transaction Ele
Database Set of interrelated Eles
ransaction ile
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Data #rocessing
our 8ain Activities
(. $reate new records
&. "ead e=isting records
+. 6pdate e=isting records
,. Delete records or data from records
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Data Output ypes
Soft copy
Displayed on a screen
*ard copy
#rinted on paper
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!"# Systems
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!nterprise "esource #lanning B!"#C
Integrate an organiation9s information into one overallAIS
!"# modules2
inancial
*uman resources and payroll
Order to cash
#urchase to pay
8anufacturing
#roject management
$ustomer relationship management
System tools
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!"# Advantages
Integration of an organiation9s data and Enancialinformation
Data is captured once
@reater management visibility) increased monitoring
5etter access controls
Standardies business operating procedures
Improved customer service
8ore eKcient manufacturing
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!"# Disadvantages
$ost
ime-consuming to implement
$hanges to an organiation9s e=isting business
processes can be disruptive
$omple=
"esistance to change
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han< Hou
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