INFORMATION SYSTEMS
An information system has five parts: people,
ANGELO JERALD B. LOPEZ
procedures, software,
hardware, and data. Connectivity allows G.12 STEM 8
computers to connect and share
EMPOWERMENT TECHNOLOGY
information, thereby greatly expanding the
capability and usefulness of an
information system.
IT education and job functions
The information technology profession is
extremely diverse. IT workers can specialize in
fields like software development, application
management, hardware components such as
desktop support, server or storage
administrator and network architecture. Many
businesses seek IT professionals with mixed or
overlapping skill sets.
Common IT careers:
Chief information officer: This person is
responsible for IT and computer systems that Information Technology (IT): Just as the
support the enterprise's goal Internet
and the Web have affected all of us, they have
Chief technology officer: This person sets all
affected computer technology as well. Today,
technology goals and policies within an
communication links to the Internet are a
INFORMATION
organization.
common TECHNOLOGY,
IT director: This person is responsible for the feature of almost all computer systems. THE INTERNET, AND YOU
function of all of the business's technology tools Information technology is a modern term that
and processes. This role is commonly called IT describes
manager or IT leader. this combination of traditional computer and
communication technologies.
INFORMATION SYSTEMS CONNECTIVITY AND THE INTERNET
The way to think about a microcomputer is to Connectivity Connectivity is a concept
realize that it is one part of an information describing the ability of end users to tap into
system. Five parts of an information system: resources well beyond their desktops.
Computer networks (networks) are connected
1. People are obviously the essential part of the computers that share data and resources
system! The purpose of information systems is
to make people, or end users like you, more
productive.
[
2. Procedures are rules or guidelines to follow
when using software, hardware, and data. They .
are typically documented in manuals written by
computer professionals.
3. Software (programs) provides step-by-step
PEOPLE instructions to control the computer to convert
data into information.
People are the most important part of an
The Wireless Revolution The wireless
information system. People are touched 4. Hardware consists of the physical equipment.
revolution is the widespread and increasing use
hundreds of times daily by computers. This It is controlled by software and processes data
of mobile (wireless) communication devices.
book contains several features to demonstrate to create information.
how people just like you use computers. These
features include: 5. Data consists of unprocessed facts including
text, numbers, images, and sound. Information
• Making IT Work for You presents several is data that has been processed by the
interesting and practical applications. computer.
Topics include creating personal Web sites,
using digital photography, and searching
for job opportunities.
• Tips offer a variety of suggestions on such
practical matters as how to improve slow
computer performance and how to protect Internet The Internet is the world’s largest
your privacy while on the Web. computer network. The Web, also known as the
World Wide Web (WWW), provides a
• Interactive CDs included with this book are
multimedia interface to resources available on
SimNet Concepts and Computing Today
the Internet.
CD. These CDs provide tutorials,
animations, videos, and in-depth coverage
of select topics.
