Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Business > Information System > Flashcards

Information System Flashcards

1
Q

What is an Information system?

A

collects and processes data into information that is provided to users for use in strategic planning, decision making, performance monitoring, and production

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

A computer system comprises four key components:

A

Input devices
Output devices
CPU
Storage

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

What is an Intranet?

A

a system that looks and feels like the internet but is

only available to employees

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

What are some distinctive input devices?

A

Magnetic ink character recognition (MICR) - used in banks
Optical mark reading (OMR) - used to check mcqs or check boxes
Scanners and optical character recognition (OCR)
Voice date entry (VDE)
Barcodes and QR (quick response)
electronic point of sale (EPOS)

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

what is a system?

A

a set of linking components that operate together to accomplish a purpose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what is a Business system?

A

a collection of people, machines and methods organised to accomplish a set of specific
functions

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

what is a Information system

A

all systems and procedures involved in the collection, storage, production and distribution of information

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

what is Information technology?

A

the equipment used to capture, store, transmit and present information

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

what is Information management?

A

planning, the environment, control and technology

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

The main difference between an open-loop system and a closed-loop system is?

A

the closed-loop system has the ability to self-correct while the open-loop system doesn’t.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What are 3 examples of an open loop system?

A

Washing Machine.
Electric Bulb.
TV Remote Control.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What are 3 examples of an closed loop system?

A

Automatic Electric Iron
An Air Conditioner
Water Level Controller

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What are 6 key elements of Information system?

A 
Data
Database 
Database Management System – DBMS 
Networks
Integration 
Security and Privacy
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Big size companies use very large databases called?

A

data warehouses and data marts.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Whar is DBMS abberviation?

A

a software called a database management system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

4 main types of DBMS are?

A

· Hierarchical database
· Network database
· Relational database
· Object-Oriented database

17
Q

what is centralised system?

A

all work done on a single centeral computer.

18
Q

what is Decentralised system?

A

work is spread throughtout tthe organization in different locations

19
Q

What are 2 disadvantages of Real-time/stream processing?

A

expensive

increased hardware capacity

20
Q

What are 2 advantages of Real-time/stream processing?

A

Information is quickly updated

ability for the data to be online

21
Q

What are 3 disadvantages of Batch processing?

A

Often delays
Management information is often incomplete due to out of date data.
Often master files kept off line therefore access may not always be available

22
Q

What are 3 advantages of Batch processing?

A

Easy to develop
cheaper, less hardware required
Less processing power

23
Q

Example of batch processing?

A

its like writing all order at once, instead of writing them individually when they take place (stream processing)

24
Q

____ automate routine and tedious back-office processes such as accounting, order processing, and financial reporting?

A

Transaction Processing System (TPS)

25
Q

What are 6 types of Information system?

A 
· Transaction Processing System (TPS)
· Management Support System (MSS)
· Decision Support System (DSS)
· Executive Information System (EIS)
· Expert System (ES)
· Office automation systems
26
Q

What are disadvantages of an integrated system?

A

one system fails and all gone
more errors and complex
more expensive
require greater support

27
Q

What are advantages of an integrated system?

A

offers complete view
better decisions will be made
more effiencient
greater customer satisfactions and profitability

28
Q

3 Features of VPN?

A

provide security

cost effective

29
Q

What are 5 features of WAN?

A

lower speed
collective owners
higher setup cost
higher transmission errors

30
Q

3 forms of WANs are?

A

intranets,
virtual private networks (VPN),
extranets.

31
Q

What are 5 features of LAN?

A 
Higher speed
owned by single owner or organzation
low cost maintanence
low transmission errors
2 lans can connected via telephone and radio waves
32
Q

What is LAN?

A

abbreviated from Local Area Network, is a network that covers a small geographical area such as homes, offices, and groups of buildings

33
Q

What is WAN?

A

abbreviated from Wide Area Network, is a network that covers larger geographical areas that can span the globe

Business (9 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions