Post on 05-Jan-2016
description
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