MIS and Transaction Processing Systems
description
Transcript of MIS and Transaction Processing Systems
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MIS and Transaction Processing MIS and Transaction Processing SystemsSystems
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Management activity subsystemsManagement activity subsystems
Transaction processing, operations
strategic
tactical
operational
STRATEGIC PLANNING
MANAGEMENT
CONTROL
OPERATIONAL
CONTROL
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A comparisonA comparison
Operational controlManagement
controlStrategic planning
task decisionsresource allocation
and control decisions
objective and policy decisions
short-term, days to weeks
medium-term, 1-2 years
long-term, 5-10 years
internal data internal data external data
low uncertainty some uncertainty high uncertainty
low level of resourcesreasonable level of
resourceshigh level of resources
repetitive periodic unique
programmable semi-programmable heuristic
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Transaction Processing SystemsTransaction Processing Systems
transactions
data capture
processing
reporting
updating
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Data Capture (or Entry)Data Capture (or Entry)
• data transcription– source documents– turnaround documents
• data inscription– optically scanned– MICR
• on-line data entry– no source document
• EDI - Electronic Data Interchange
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System flowcharting symbolsSystem flowcharting symbols
document or report
terminal keyboard
terminal display
DASD, disk
magnetic tapes
process, program
manual process
on-page connector
off-page connector
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Transaction processing stepsTransaction processing steps1. Data Capture
2. Edit Transaction
3. Updating
4. Reporting
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Batch TPSBatch TPS
transaction
data entry
edit
errors
update
reports
detail
detail masterapplica-tion
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On-line TPSOn-line TPS
reports
applica-tion
errors
master
log file
entry &process