Information system Flashcards

1
Q

What is a system?

A

A collection of parts that work together to achieve a particular purpose or result

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the difference between data and information

A

Data is unprocessed raw material used by information processes, which turn the data into information. Information is the meaning that humans assign to data

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the parts of an Information system?

A
Environment 
Users 
Purpose
Information processes 
Data/information 
Information technology 
Participants
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the environment?

A

Everything that influences and is influenced by the information system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are the 7 information processes

A
Collecting
Organising 
Analysing 
Storing and Retrieving 
Processing 
Transmitting and Receiving 
Displaying
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is processing?

A

The process that manipulates data by updating and editing it

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is transmitting and Receiving?

A

The process that transfers data/information between information systems

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Data is used in an information system of various types, what are they?

A

Text
Numbers
Image
Audio

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What are the two ways to represent images?

A

Bit map and Vector Graphics

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What are the advantages of digital data?

A
Easy to store
Easy to manipulate 
Easy to transmit 
Cheap to handle 
Easy to keep up to date 
Fast to process
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What are the disadvantages of digital data

A
Must be backed up to avoid loss 
Copyright/privacy loss 
Must have access to technology 
Ongoing cost of hardware and software updates 
Training of personnel
How well did you know this?
1
Not at all
2
3
4
5
Perfectly