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Weekly Interactive > Information Systems > Flashcards

Information Systems Flashcards

1
Q

Share the three definitions of MIS

A
  1. A system which provides information support for decision making in the organization. 2) integrated system of man and machine for providing the information to support the operations, the management and the decision making function in the organizations. 3. a system based on the database of the organization evolved for the purpose of providing information to the people in the organization. 4) it can be define as computer based information system.
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2
Q

A Formal System looks after which points?

A

1) Handling voluminous data. 2) Confirmation of the validity of data and transaction. 3) Complex processing of data and multidimensional analysis

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3
Q

Organizations are trying to be come more competitive and efficient by…?

A

Transforming themselves into digital firms where nearly all core business processes and relationships with customers, suppliers and employees are digitally enabled

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4
Q

Businesses today use information systems to achieve 6 major objectives:

A

1 Operational Excellence
2 New products, services and business models
3 Customer/ supplier intimacy
4 Improved decision making
5 Competitive advantage 6 day to day survival

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5
Q

What are the two perspectives of IS

A

Technical and Business perspective

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6
Q

Describe the technical perspective

A

An information system collects, stores and disseminates information from an organization’s environment and internal operations to support organizational function and decision making
Communication, coordination, control, analysis and visualization
Tranform raw data into useful information through three basic activities: input, processing and output

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7
Q

An information system represents..?

A

Combination of management, organization and technology elements

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8
Q

Describe the management dimension of information systems

A

Involves leadership, strategy and management behaviour

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9
Q

What is the business perspective?

A

An information system provides a solution to a problem or challenge facing a firm and provides real economic value to the business

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10
Q

What are the three dimensions of information systems?

A

Management, technology and Organizational

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11
Q

Describe the technology dimension

A

Consists of computer hardware, software , data management technology and networking/ telecommunications technology ( including the internet)

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12
Q

Describe the organizational dimension

A

involve the organizations hierarchy, functional specialities, business processes, culture and political interest groups

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13
Q

Use hospital as an example and give system example

A

System: hospital
Input: staff, equipment, patients, fuel and computers
Processing elements: Diagnosing, planning, making appointments, filming x-rays
Ouputs: Cured patients, cleaned wounds and happier family
Goal : Maintaining a healthier society

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14
Q

Define Effectiveness and Efficiency?

A

Effectiveness: A measure of the extent to which a system achieves its goals
Efficiency: Resource consumption, and a measure of what is produced divided by what is consumed

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15
Q

What is a system performance standard?

A

A specific objective of the system

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16
Q

What are the major parts of information system

A

Major parts:
Hardware
Software
Databases
Networks
HUman
Policies and procedures

17
Q

Purpose of Information system ?

A

To get the right information to the right people at the right time in the right amount and in the right format

18
Q

What is the primary goal?

A

To economically process data into information or knowledge

19
Q

IS is the name of the department responsible for…?

A

Computers, networking and data management

20
Q

Draw the activties of an IS

A

LARGEST box : Environment
within ENVIRONMENT is a pink box with organization
Within ORGANIZATION is input leading to processing leading to output and back to input with feedback

21
Q

Describe Input?

A

activity of gathering and capturing data … Whatever goes into the computer

22
Q

Describe processing

A

Converting or transforming data into useful outputs

23
Q

Describe output

A

Useful information, usually in the form of documents and reports
Anything that comes out of a computer

24
Q

Applications such as EHR, PHR , CPOE , LIS AND RIS do what with data

A

acquire or require data

25
Q

What must be done with data?

A

Data must be stored and maintained so that it can be retrieved and used

26
Q

What is a database?

A

A logical collection of interrelated information, managed and stored as a unit

27
Q

WHAT IS THIS DESCRIBING? An organized collection of facts and information = a structured collection of records and data

A

Database

28
Q

What form are databases usually?

A

Paper or electronic

29
Q

Traditional databases are organized by fields, records and files. Describe Field, Record and Files

A

Field: single piece of information
Record: one complete set of fields
File: collection of records

30
Q

What is a DBMS? what does it enable you to do ?

A

Database management system. Is a collection of programs that enables you to enter, organize and select data in a database

31
Q

What are the types of information systems?

A

Transaction processing systems
E-commerce systems
Management Information system
Decision support systems
Expert systems

32
Q

What is a TPS?

A

Transaction: any business related exchange eg. admitting patients, transfer patients, writing medication order and generating a weekly poll
TPS:
An information system designed to process day to day business event data at an operational level of organization

33
Q

What is an MIS? tYPES

A

MIS produce fixed, regularly schedules reports based on data extracted and summarized from firms underlying transaction processing systems to middle and operational level managers to provide answers to structured and semi -structured decision problems

34
Q

What are DSS?

A

Used by middle management to compile information from a wide range of sources to solve problems and make decision eg. CPOE AND DSS

35
Q

What is an expert system?

A

A computer application that performs a task that would otherwise be done by a human
gives the computer the ability to make suggestions and to act like an expert

36
Q

What are AI areas?

A

Expert systems: programming computers to make decisions based on real-life situations
Natural Language: Programming computers to understand natural human language
Neural Networks:
Systems that simulate intelligence by attempting to reproduce the types of physical connections that occur in animal brains
Robotics: programming computers ot see and hear and react to other sensory stimuli

Weekly Interactive (4 decks)

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