Exam Study Guide
An administrator is in charge of some
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Administration
portion of the IT infrastructure
oversees all aspects of the computer net-
work. The network administrator's duties
include physically laying down cable,
Network administrator
making connections, and working with
the network hardware (for
instance, routers and switches).
focus on the design, development, and
support of database management sys-
tems
Database administrator (DBMSs). Tasks will include installation,
maintenance, performance analysis, and
troubleshooting as with the
other administrative areas
install, configure, and administer appro-
priate firewall security to protect the
Security administrator
organization's systems and to work
proactively against such intrusions.
also known as a webmaster, but more
precisely referred to as a web server ad-
ministrator.
This role is responsible for maintaining
Web administrator web storage, which differs from the de-
velopment of web storage.
Specifically, the web administrator must
install, configure, maintain, secure, and
troubleshoot the web server.
IT is a term used to describe several
aspects: the task of gathering data and
processing it into information, the
ability to disseminate information using
Define Information Technology: technology, the technology itself that per-
mits these tasks, and the
collection of people who are in charge
of maintaining the IT infrastructure (the
computers, the networks, and
, D322 - Introduction to IT - Final
Exam Study Guide
the operating systems). Generically, we
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will consider IT to be the technology used
in creating, maintaining, and
making information accessible. In other
words, IT combines people with comput-
ing resources, software, data,
and computer networks.
describes the technology infrastructure
that may support information systems,
although Information Technology could
also support many other types of sys-
tems (e.g., telecommunications
Information technology
systems). Information Technology in-
cludes hardware, software, networks,
and databases that work together to
allow an organization to manage data
and information.
A computer performs four operations: input, processing, output, storage
Computer structure:
the device that not only executes your
programs' instructions, but also com-
CPU
mands the various
components in the computer.
stores the program(s) being executed
and the data that each program is
Memory
Updated 2/4/2023
using.
includes all peripheral devices (input,
output, storage, network) where storage
I/O
consists of the long-term storage devices
(disk drives, tape).
the device that permits information to
bus
move between each component
system unit