The Categories of Machines and Other IT Infrastructures or Gadgets Flashcards
high-capacity computers with
thousands of processors that can execute more than
several trillion calculations per second.
Supercomputer
These are the most costly and quickest computers
available.
Supercomputer
used by large organizations—such as
banks, airlines, insurance companies, and colleges—
for processing millions of transactions.
Mainframe Computer
process billions of instructions per second
Mainframe Computer
Often users access a mainframe through a terminal,
which has a display screen and a keyboard and can
input and output data but cannot process data by
itself.
Mainframe Computer
• These are costly, powerful personal computers
usually used for complex scientific, mathematical,
and engineering calculations and computer-aided
design and computer-aided manufacturing.
Workstations
It is useful for tasks such as designing airplane
fuselages, developing prescription drugs, and
creating movie special effects.
Workstations
Also called personal computers (PCs), can fit next to
a desk or on a desktop or be carried around
Microcomputers
They either are stand-alone machines or are linked to
a computer network, e.g., a local area network.
Microcomputers
Types of Microcomputers
desktop PCs,
notebooks (laptops), netbooks, tablets, and
smartphones.
This enable microwave ovens, for
example, to store data about how long to cook your
potatoes and at what power setting.
Microcontrollers
A central computer that stores the collections of data
(databases) and programs for connecting or supplying
services to PCs, workstations, and other devices, which are
called clients
Network server
The entire system is called a client/server network
Network server
Any detachable device that provides input and output for
the computer machine.
Computer peripheral
An electronic data memory device that uses magnetic
storage to keep and retrieve digital information using one
or more rigid, rapidly rotating disks coated with magnetic
material.
Hard Disk Drive
