TYPES OF COMPUTERS

clashjudiciousΗλεκτρονική - Συσκευές

8 Νοε 2013 (πριν από 3 χρόνια και 10 μήνες)

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TYPES OF COMPUTERS

Computer Categories


Physical Size


Capacity
-
the amount of information that can
be stored on the computer


User
-
one person or an organization


Where the computer is used
-
an
individual’s
desk or portable.


How is it used
-
manage appointments, tasks,
movie making, or engineering.

Types of Computers


SmartPhone/Personal Digital Assistant (PDA)


Laptop/Netbook/Notebook/Portable computer


Tablet Computer


Personal/Desktop Computer


Mainframe Computer


Supercomputer

Smartphone


Definition/How’s it Used?:
a is a device that lets
you make telephone calls, but also adds in features
that you might find on a personal digital assistant or
a computer
--
such as the ability to send and receive
e
-
mail and edit Office documents, for example.




Laptop/Notebook


Definition/How’s it Used:
a personal computer
designed for mobile use and small and light enough
to sit on a person's lap while in use.

Tablet Computers


Definition/How’s it Used:
A tablet PC is a wireless,
portable personal computer with a touch screen
interface. The tablet form factor is typically smaller
than a notebook computer but larger than a smart
phone. Tablet PC’s are used in the medical field, for
artistic purposes, educational purposes, and gaming

Personal/Desktop Computer


Definition/How’s it Used:
a type of computer
intended for regular use at a single location, as
opposed to a mobile laptop or portable computer.

Mainframe Computer


Definition/How’s it Used:
are powerful computers
used mainly by large organizations for critical
applications, typically bulk data processing such as
census, industry and consumer statistics, enterprise
resource planning, and financial transaction
processing.


Supercomputer


Definition/How’s it Used:
a cluster of numerous
computers that are linked together to make them far
more powerful. It is among the largest and fastest of
the computers available. Supercomputers are used
to tackle problems that are very complex (studying
the sun and space weather).

Components of a Computer


CPU
-
brain of the computer


Hard Drive
-
main storage device on
a computer


Speaker


ROM
-
read only memory
-
what it
takes to boot up the computer and
talk to the other computer
components





RAM
-
random access memory
-
memory
used to store programs and data while the
computer is working; measured in bytes


Byte
-
store enough data for one character of
text


Megabyte (MB)
-
over a million characters of
text


Gigabyte (GB)
-
over a billion characters of text


This can also determine how fast the
computer performs.


Secondary Storage
-
CD, Flash memory (Jump
drives) and digital camera memory cards



Motherboard
-
primary circuit board of a
computer


Power Supply
-
source of electrical supply


Power Cord Plug
-
a cord to conduct power to an
electrical appliance


Hardware


Input devices
: transferring
instructions or data to the
computer


Output devices
: results of
the transfer