A firm’s IT infrastructure provides the foundation, or platform, for
supporting all the information systems in the business- Composed of:
1) Hardware 2) Software 3) Data Management 4) Networking Tech. 5)
consists of technology for computer processing,
data storage, input and output. This includes large mainframes,
servers, midrange computers, desktop and laptop computers, PDAs,
and mobile devices.
includes both software and application software.
Firms don’t want to overspend or under spend when choosing
One way to measure performance is FLOPS (floating point
operations per second).
- desktop or laptop, personal, working alone, “microcomputer”.
Examples: Blackberry, Palm, cell. Use with workstation, which fits
on a desktop but more powerful math skills.
2) If your business has a number of computers network together or
maintains a web site, it will need a server.
specifically optimized to support a computer network, enabling
users to share files, software, peripheral devices, or other resources.
They are classified as
MIDRANGE COMPUTERS and
(universities, factories, labs).
*they provide the hardware platform for electronic commerce
- a large capacity, high performance computer that
can process vast amounts of data very rapidly. Airlines use
mainframes to process upwards of 3000 reservation transactions per
second. Used by large
banks, insurance companies, stock brokers,
that keep track of THOUSANDS/MILLIONS, of
transactions and records.
*IBM is the leading vendor
Large scale enterprise networks/