5 - The Process Flow Of Infotmation

Question 1

(5.1) what is an internal source? Give an example.

Answer 1

Information that comes from within the organisation.

E.g: internal financial reports.

Question 2

(5.1) what is an external source? Give an example.

Answer 2

Information the comes from outside an organisation.

E.g: supplier price list.

Question 3

(5.1) what is primary data? What is an example?

Answer 3

Data that you have collected, not a third party.

E.g: employees count how many people enter a cinema.

Question 4

(5.1) what is secondary data? Give an example.

Answer 4

Data that has been collected by others outside the organisation.

E.g: survey results (from another organisation)

Question 5

(5.1) What so quantitative data?

Answer 5

Data that has been collected using the means of measuring.

E.g: numbers

Question 6

(5.1) what is qualitative data?

Answer 6

Data that describes something.

Question 7

(5.2) what are external entities?

Answer 7

Put In input information into a system and send out output information.

Question 8

(5.2) what are processes?

Answer 8

Processes are ways in which data is collected in the system

Question 9

(5.2) what are data stores

Answer 9

Any storage of data in the real world

Question 10

(5.2) what are data flows?

Answer 10

The flow of data between entities and processes

Question 11

(5.2) what is the payroll system?

Answer 11

Timekeepers input into the payroll and the payroll outputs to the bank and employees.

Question 12

(5.2) what are the connectivity rules of level 1 DFDs?

Answer 12

1) at least one input or output for each external entity
2) data flows on only one direction
3) every data flow is labelled
4) every data flow connects to at least one process
5) at least one I put data flow and/ or one output data flow for each processes