UNIT 1:Introduction to Information Systems: Flashcards
What are the 3 key concepts in MIS?
1.Information System
2. Information Technology
3. Management Information System
WHAT IS AN INFORMATION SYSTEM?(IS)
INFORMATION SYSTEMS is an organized collection of hardware, software data people, and procedures that work together to produce quality information by
COLLECTING
TRANSFORMING
DISSEMINATING
WHAT IS INFORMATION TECHNOLOGY?
the study or use of computers and telecommunications for storing, retrieving, and sending information
EXAMPLE:
computer apps that include data storage and programs to input, process, and output the data.
Software and support for office automation systems such as word processing and spreadsheets, as well as the computer to run them. Users’ PCs and software.
WHAT IS Management Information System ?
is a set of systems and procedures that gather data from a range of sources, compile it and present it in a readable format.
EXAMPLE:
process control, office automation, enterprise resource planning, finance systems and management reporting.
What does INFORMATION SYSTEM DO?
SUPPORTS DAILY SHORT TERM AND LONG RANGE ACTIVTIES
OF USERS
EXAMPLES OF USERS?
STORE CLERKS,
SALES REPRESENTATIVES, ACCOUNTANTS,
SUPERVISORS
MANAGERS,
EXECUTIVES, AND CUSTOMERS.
INFORMATION SYSTEM IN MY OWN WORDS?
INFORMATION SYSTEMS refers to a group of components that interact to produce quality information.
WHAT ARE THE SIX COMPONENTS OF INFORMATION SYSTEM?
COMPUTER HARDWARE
SOFTWARE
DATA
NETWORK
PROCEDURES
PEOPLE
SOFTWARE?
SET of instructions that tell hardware what to do
HARDWARE?
REPRESENTS the physical components of a computer system
PROGRAMS?
SETS OF OPERATING INSTRUCTIONS WHICH DIRECT AND CONTROL HARDWARE
PROCEDURES?
REFERS TO a set of information processing information needed by people
DATA
UNPROCESSED INFORMATION or
INFORMATION?
PROCESSED DATA
Functions of an Information system?
Input; process; output
Dimensions of information systems?
a. organizational levels of management.
b. management
c. technology
INPUT
ENTERS DATA INTO COMPUTER
PROCESSING
PERFORMING OPERATIONS ON THE DATA
OUTPUT
PRESENTING THE RESULTS
FACTS ON DATA
MACHINE-READABLE MOSTLY
MUST BE MANAGED EFFECTIVELY
TAKES MANY FORMS SUCH AS:LETTERS,NUMBERS,SENTENCES,PARAGRAPHS IMAGES AND AUDIO SOUNDS
DATABASE
STORES AND ORGANIZES DATA
FACTS ON DATA
MACHINE-READABLE MOSTLY
MUST BE MANAGED EFFECTIVELY
TAKES MANY FORMS SUCH AS LETTERS, NUMBERS, SENTENCES, PARAGRAPHS IMAGES, AND AUDIO SOUNDS
PEOPLE(REQUIRED)
EVERY IS) NEEDS PEOPLE IF IT TO BE USEFUL
FOR THE OPERATION OF IS
EG.USERS AND IT SPECIALIST
SOFTWARE TYPES
SYSTEM(COMPUTER MANAGEMENT)
APPLICATION(GENERAL PURPOSE AND SPECIAL PURPOSE)
GENERAL PURPOSE
WORD PROCESSING
PRESENTATIONS
SPREADSHEET
IMAGE AND VIS=DEO EDITOR
SPECIAL PURPOSE 4 examples?
INVENTORY MANAGEMENT
CUSTOMER MANAGEMENT
DBMS SOFTARE
ACCOUNTING SOFTARE
SOFTWARE MANAGEMENT 3 examples?
OPERATING SYSTEM
DEVICE DRIVERS
SYSTEM UTILITIES
SOFTWARE DEVELOPMENT 5 examples?
PROGRAM LANGUAGE
COMPILERS
INTERPRETERS
LINKER
LARDER
FLOW OF USE
USERS —APP SOFTWARE—OPERATION SYSTEM—HARDWARE
AND VICE VERSA
NETWORKS defination
A COLLECTION OF COMPUTERS AND OTHER HARDWARE INTERCONNECTED BY COMMUNICATION CHANNELS THAT ALLOW SHARING OF RESOURCES
TELECOMMUNICATIONS DEFINITION
NETWORKS LIKE INTERN INTRANETS AND EXTRANETS HAVE BECOME ESSENTIAL OPERATIONS OF ALL KINDS OF ORGANIZATIONS.
EXTRANET
AUTHORISED OUTSIDE PEOPLE SUCH AS SUPPLIERS CAN CONNECT TO COMPANY INTRANET
INTRANETS
CONNECTION OF DEVCIES THAT ALLOWS INDIVIDUALS WITHIN THE COMPANY TO STORE INFORMATION
INTERNET
EVERYONE CAN CONNECT AND SHARE INFORMATION
what Does COMMUNICATION/TRANSMISSION MEDIA include?
FIBRE OPTIC CABLE
COAXIAL CABLE
TWISTED PAIR
BLUETOOTH
SATELITE
MICROWAVE
INFRARED
NETWORK INCLUDES?
TRANSMISSION MEDIA
NETWORK INFRASTRUCTURE
IS THE HARDWARE AND SOFTWARE RESOURCES OF AN ENTIRE NETWORK THAT ENABLE NETWORK CONNECTIVITY,COMMUNICATION OPERATIONS AND MANAGEMENT OF AN ENTERPRISE NETORK
END USERS
PEOPLE WHO USE IS OR THE INFORMATION IT PRODUCES
IS SPECIALIST
ARE PEOPLE HODEVELOPE AND OPERATING INFORMATION SYSTEMS ANALYST
PROGRAMMERS
COMPUTER OPERATORS
MANAGERIAL TECHNICAL
CLERICAL PERSONELS
information technology
THE USE OF ANY COMPUTERS STORAGE, NETWORKING, AND OTHER PHYSICAL DEVICES, INFRASTURE AND PROCESSES TO CREATE, PROCESSES, STORE AND SECURE AND EXCHANGE ALL FORMS OF ELECTRONIC DATA
information technology
THE USE OF ANY COMPUTERS STORAGE, NETWORKING, AND OTHER PHYSICAL DEVICES, INFRASTURE AND PROCESSES TO CREATE, PROCESSES, STORE AND SECURE AND EXCHANGE ALL FORMS OF ELECTRONIC DATA
FUNCTIONS OF I.T?
INPUT
PROCESSING
STORAGE
OUTPUT
SYSTEMS ANALYST
DESIGN INfO SYSTEMS BASED ON THE INFO REQUIREMENTS OF IS SPECIALIST BASED ON SPECIALIZATION OF SYSTEM ANALYSIS
LEVELS OF MANAGEMENT
USES TRIANGLE REP
TOP MANAGEMENT (CEO)
MIDDLE MANAGEMENT
LOWER LEVELOR FIRST LINE MANAGEMENT
COMPONENTS OF IS?
MANAGEMENT
ORGANISATION
TECHNOLOGY
WHAT ARE Functions of an Information system?
INPUT: Captures raw data from organization or external environment
Processing: Converts raw data into meaningful form
Output: Transfers processed information to people or activities that use it
WHAT ARE 3 Dimensions of information systems?
organizational levels of management.
management
technology
WHAT ARE organizational levels of management?
Hierarchy:
Senior management
Middle management (Knowledge workers)
Operational management (Data workers
Production or service workers)
WHAT IS THE Management dimension of
information systems?
1.Managers set organizational strategy for responding to business challenges
2.In addition, managers must act creatively:
3.Creation of new products and services
Occasionally re-creating the organization
WHAT IS THE Information technology dimension of information systems?
Computer hardware and software
Data management technology: S/W governing data
Networking and telecommunications technology
IT infrastructure: provides platform on which the system is built, e.g., Internet technologies
List the Contemporary Approaches to Information Systems
a. Technical Approach
b. Behavioural Approach
What is the Technical Approach?
THIS Emphasizes mathematically based models to study information systems
THIS ALSO Focuses on physical technology
What is the Behavioral Approach?
THIS Focuses on how information systems impact individuals, groups, and organizations
EXAMPLE:
Explain the business perspective on information systems
- Information system is instrument for creating value
2.Investments in information technology will result in superior returns:
Productivity increases
Revenue increases
Superior long-term strategic positioning
Complementary assets (organizational capital) ???????
organizational capital and the right business model
Assets required to derive value from a primary investment
Firms supporting technology investments with investment in complementary assets receive superior returns
E.g., invest in technology and the people to make it work properly
Information systems and competitive advantage
Information systems aid companies in competing with other competitors by maintaining low costs, differentiating products or services, focusing on market niche, strengthening ties with customers and suppliers, and increasing market entry high competition
The Role of Information Systems in Business Today
Information system is very essential for running and managing a business today.
Information technology is helpful in managing important production data and based on the data it helps the production, management, and owners of the company to better run their business and earn maximum profits.
The Role of Information Systems in Business Today
Information system is very essential for running and managing a business today.
Information technology is helpful in managing important production data and based on the data it helps the production, management, and owners of the company to better run their business and earn maximum profits.
How information systems are transforming business
Management Information Systems can be used to track ::
financial data,
sales information,
customer profiles,
and production data.
This information can be used to improve decision-making in a number of different areas, such as marketing, product development, and customer service.
LIST SOME New trends in management information systems
Increased focus on information quality.
Greater adoption of information governance.
Wide usage of Artificial Intelligence.
4- More use of data analytics.
Federated search.
Automate Business Processes.
Leverage RPA technologies.
Embrace cloud deployments.