MIS and Transaction Processing Systems
description
Transcript of MIS and Transaction Processing Systems
MIS and Transaction Processing MIS and Transaction Processing SystemsSystems
Management activity subsystemsManagement activity subsystems
Transaction processing, operations
strategic
tactical
operational
STRATEGIC PLANNING
MANAGEMENT
CONTROL
OPERATIONAL
CONTROL
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
Transaction Processing SystemsTransaction Processing Systems
transactions
data capture
processing
reporting
updating
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
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
Transaction processing stepsTransaction processing steps1. Data Capture
2. Edit Transaction
3. Updating
4. Reporting
Batch TPSBatch TPS
transaction
data entry
edit
errors
update
reports
detail
detail masterapplica-tion
On-line TPSOn-line TPS
reports
applica-tion
errors
master
log file
entry &process