Please enable JavaScript.
Coggle requires JavaScript to display documents.
Data the fuel powering information systems , INTERNET (inter connected…
Data
the fuel powering information systems
Information system
Information system contains interrelated components that helps us to convert meaningless data into useful information.
Technology
technology
Hardware
Computers
network connection, motherboard, CPU, storage/memory, input/output devices.
Storing data
RAM, Hard Disk, Solid State Drives, USB drives
Processing Data
CPU
Input and output devices
keyboard, mouse, joystick (input devices)
monitor, printer, speaker (output devices)
Digital Devices
processes electronic signals into two discrete values (0 and 1)
Software-computer programs
operating system
Application Software
Productivity software
Collaborative software
Utility and programming software
desktop software- installed on personal computer
Software creation
systems development life cycle
preliminary analysis
system analysis
system design
programming
Testing
Implementation
Maintenance
software ownership
make it or buy
BUSINESS PROCESS
enforcing consistency
built-in reporting
enforcing best practices
Empowering employees
data communication
electronic transmission of encoded information to, from and between computers
medium
NETWORKS
Local area network
Metropolitan Area Network
Server
Client
Wide area network
Receiver
Modem
Data
user interaction
database management systems
data model
relational data model
flat file database
Bits
Bytes
Fields
Records
Files
Text
number
Boolean
date/time
Currency
paragraph Text
data
AI algorithms
data transmitting on internet
TCP
IP
packets containing destination address and source address
TCP
SECURITY
Multi-factor identification
authentication
Encryption of data
antivirus programs
backups
intellectual property and copyright
protection given to computer programs, books, etc
patents and trademarks
privacy (personal information)
name, social insurance number , date of birth, medical records
electronic data interchangeable
INTERNET (inter connected networks)
World wide web
web servers having HTML pages that are viewed on devices with web browsers
Routers are connected to internet so they have IP address
wireless networking
Wi-Fi
Mobile Networking
Bluetooth
VoIP
business applications
presenting information
Selling products
distributing digital products
acquiring goods and services
big data- challenging to store
variety
velocity
decision making for managers
analyze the alternative
select the best
generate multiple alternative
implement the selected alternative
recognize that decision needs to be made
evaluate its effectiveness
volume
Data
ORGANIZATIONAL NETWORKING
Intranet
Extranet
Virtual Private Network
Enterprise Software- needs multiple users, organizations or work groups.
database management systems
Database
organizational wide