4.2 Infomation Systems

Question 1

to be effective what anagram must info processing follow?

Answer 1

CATIVA
Completeness
Accuracy
Timeliness
Inalerability
Verifiability - Audit trails (
Assessability

Question 2

What is a ‘business system’?

Answer 2

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

Question 3

What is iS?

Answer 3

infomation systems - all systems and procedures involved in the collection storage production nd distribution of infomation

Question 4

What is IT?

Answer 4

Information technology - the equiupment used to capture, store, transmit or present information.

Question 5

what is TPS?

Answer 5

transaction processing system - performs, records, nd processes routine transactions. e.g. checkout at supermarket

Question 6

What is Cloud Computing

Answer 6

a model for enabaling convienient, on demand network access to a shared pool of configurable coputure resources (network/servers) that can be rapidly provisioned and released with minimal management effort or service provider interaction (cheaper)

Question 7

What is clouid accouting adn how woudl be implemented? what are the risks?

Answer 7

accoutancy software provided in the cloud via a serve provider

Increases cyber risk adn the user is reliant on security and back ups being provided by the service provider.

Question 8

What is MIS

Answer 8

Managment Info system

converts data from internal sources into information to allow managers to make time and effective decisions for planning, and directing of activities for which they are responsible.

Question 9

what do the MIS reports provide

?

Answer 9

support stuctured decsisions at operation and managment level

report on existing operations

little analytical capability

inflexible

internal focus.

Question 10

What are the types of infomation systems?

Answer 10

TPS and MIS

Question 11

Ess?

Answer 11

executive supprt system - database that pools data from IN and EX sources and make info aviolable to senior managers in easy to understand form. Help Managers make strategic andunstrauctured decisions

Question 12

What are unstructured decisions?

Answer 12

making a decsiions based on correlations and links without any idea of what we wanted to find

Question 13

What are structured decisions

Answer 13

Making decsions on links and corrlations we wanted to find.

Question 14

DSS?

Answer 14

Decision support system - combines data and analytical models or data analysing tools to support unstruc/strauctured decisions making

Question 15

Expert System?

Answer 15

human expertise in a limited domain of knowledge to all user to benefit from expert knowledge adn information. follows rules to interperate a set o circumstances. e.g. doctors surgies

Question 16

KWS?

Answer 16

knowledge work system - faciliatete the creation and integration of new knowledge into an organisation.

Question 17

OAS

Answer 17

Office automation system -systems that increase the productivity ofdata and information workers, is - work flow system to get info from one team to another = less human interaction

Question 18

AI?

Answer 18

Artificial Intelligence - the sue of computures to do tasks which are thought to require humn intelligence.

Question 19

WHta is Block chain?

Answer 19

Distributed ledger technology - allows poeple who do not now each other to trust a shared records and events

Question 20

what are Digital assets?

Answer 20

any text or media file that can be formatted into binary source and that includes the right to use it; digital files that do not carry this right re not considered to be digital assests.

Question 21

Benefits of block chain?

Answer 21

multiple organisations can manage data centrally

allows business of a shared interest in maintaining an accurate record of data to share the costs of developing the data system s well as beingable to access this remotely.

Question 22

What are the qualites of a seciure info System?

Answer 22

ACIANA
Availability
Confidentiality
Integrity
Authority
Non-repudiation
Authorisation

Question 23

What are the various aspects of infomation security? (6)

Answer 23

Prevention
Detection
Deterence
Recovery rocedures
Coorection procedures
Threat avoidance

Question 24

how does data maintain its integrity?

Answer 24

if it is complete and not corrupted

Question 25

what do input controls ensure?

Answer 25

accuracy, completeness and validity

Question 26

What re input controls?

Answer 26

data Verification (match source docs) and Validation (data is complete and reasonable)

Question 27

HR rcruit personal - what shoud be doe to ensure their trustworthiness?

Answer 27

Job roaion and enforced vacations
syaten logs
review adn supervision sgeregation of duties

Question 28

Audit trails?

Answer 28

means of identifying records nd the input and output documents associated with the processing of any individual transaction