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Computing 1 - Coggle Diagram
Computing 1
Nature of Information Systems
Origins of the Information System
The first analyst appeared on stage about 6000 years ago, during the construction of the pyramids of Egypt
For the development of an information system
Definition of Information Systems
Raw Material for Information Systems
Activities of the Information System
Life Cycle of Information Systems
General Information System Life Cycle Diagram
Advantages of the Information Systems
are
Best efficience
Products of Better Quality
Best Services
Greater security
Better Obtaining of Information
Environment of Information Systems
dos tipos de
ambientes
Internal environment
organizational structure, personnel, money, equipment, furniture, physical space, physical location, etc.
External environment
political and economic situation of the country, distributors of furniture, materials and equipment, etc.
Management of the Information Systems
are handled as follows:
Owners of information systems
Users of the information system
Information Systems Analyst
Designers of information systems
Programmers of the information system
*Flow of Information
Layout Elements
have
Program Flow Chart
Input and output
Prosecution
Terminal
Decision
connector
Off Page Connector
Preparation
defined process
Annotation
Data flow diagram
Storage
Manual Entry
Document
Manual operation
online storage
Information Flow Logic
are divided into
Program Flow Chart
Simple selection logic
selection logic
cycle logic
Communication Models
Data Communication Techniques
Communication Processors
Data Transmission Channels
Types of Data Communication Lines
Data Communication Network Topologies
Data Communication Networks
Information Flow Structure
which is next
It must start from a beginning and end with an end.
The input and output of information is independent of the process
Conditions must have one input and two outputs.
Information flows should be documented
Information Management
analysis of the information
The information a particular manager needs
Properties of the Required Information
help of information
distribution of information
Elements
Use of a Data Communication Package
interactive processing
Batch processing
Batch processing
Types of Information Output
internal exit
internal exit
printed output
output on film
Check out by email
Message distribution output
Output via voice mail
service stations
Types of Service Stations
Visual display station
Silly station
smart station
Point of sale station
techniques and strategies
used in the development of an information system
organization standards
Diagram and special forms
Top-down design methodology
Design reviews and tests
Prototyping
Workstations for system design
Tipos y Usos de la Información
Databases
Stored set of data libraries required by organizations and
individuals to meet their data processing and retrieval needs.
information"
Word Processors
It is a term that describes the use of electronic equipment and programs to create,
examine, edit, manipulate, transmit, store, retrieve and print texts.
Graphic designers
They are programs that convert the numerical data used by computers
in the images that many people prefer to use when communicating ideas.
Electronic Calculation Sheet
is a computer program designed to
perform, primarily, arithmetic models that are ordinarily implemented in
tabular sheets (such as income statements, balance sheets, report cards
schoolchildren).