Ch 10.1 IS within an Org

Question 1

3 reasons to know about IS

Answer 1

1) every job u do will use corporate data
2) u will be inputting data into this system
3) u will use the data in reports

Question 2

what is a transatcion

Answer 2

any business event that generates data important to the database

Question 3

examples of transaction

Answer 3

1) service sold
2) hiring person
3) payroll cheque generated

Question 4

how often does a tps collect data

Answer 4

REAL TIME!!! as soon as data is generated

Question 5

what is a TPS

Answer 5

supports the
1) monitoring
2) collection
3) storage
4) processing of data
from business transactions

Question 6

does tps handle large data

Answer 6

yes

Question 7

does tps handle various forms of data

Answer 7

yes

Question 8

what 4 different things are TPSs inputs for?

Answer 8

1) Functional area info systems
2) BI systems
3) Decision support system
4) Expert systems
5) dashboards

Question 9

what is the most common error in TPS

Answer 9

-since there are too many updates, the biggest error is if data is overlapping

-LOSING AN UPDATE!!!

Question 10

If a transaction needs 1+ computer, what is an inconsistency that can occur?

Answer 10

failure of one computer to recognzie a transaciton occured at the other

Question 11

should it be possible to reverse a transaction in a TPS?

Answer 11

yes!!! in case it was entered in error

Question 12

what is an audit trail

Answer 12

?

Question 13

are audit trails important?

Answer 13

yes they are important in TPS!! they prove the flow of transactions

Question 14

what is the flow of a TPS managing data

Answer 14

1) business event or transaction
-> goes through to the
2)TPS
-> this makes detaield reports AND goes into the orgs database

Question 15

how do companies ensure their tps system is good

Answer 15

they buy good mainframe computers

Question 16

is a tps system different across industries?

Answer 16

no! pretty sandardized

Question 17

do orgs automate TPS data entry? what is this called

Answer 17

yes! to reduce errors

called SOURCE DATA AUTOMATION

Question 18

how does tps system process data

Answer 18

1) batch processing: firm collects real time data, placing them in batches, and each batch is processed periodically

2) Online Transaction Processing: data is processed online real time! like buying from store