The document describes 10 different types of computers: personal computers (PCs), desktops, laptops, tablet computers, smartphones, workstations, servers, mainframes, supercomputers, and wearable computers. It provides details on the defining features and intended uses of each type of computer. Personal computers can come in many forms for general use by individuals, from desktops designed for permanent locations to laptops, tablets and smartphones that are portable. Other computer types include more specialized devices like workstations for graphics/gaming, servers that provide network services, large mainframes and supercomputers for data processing/computation. The latest trend is wearable computers integrated into devices like watches and glasses.
Computer: Definition
A computer is a machine that can be programmed to manipulate symbols. Its principal characteristics are:
It responds to a specific set of instructions in a well-defined manner.
It can execute a prerecorded list of instructions (a program).
It can quickly store and retrieve large amounts of data.
Therefore computers can perform complex and repetitive procedures quickly, precisely and reliably. Modern computers are electronic and digital. The actual machinery (wires, transistors, and circuits) is called hardware; the instructions and data are called software. All general-purpose computers require the following hardware components:
Central processing unit (CPU): The heart of the computer, this is the component that actually executes instructions organized in programs ("software") which tell the computer what to do.
Memory (fast, expensive, short-term memory): Enables a computer to store, at least temporarily, data, programs, and intermediate results.
Mass storage device (slower, cheaper, long-term memory): Allows a computer to permanently retain large amounts of data and programs between jobs. Common mass storage devices include disk drives and tape drives.
Input device: Usually a keyboard and mouse, the input device is the conduit through which data and instructions enter a computer.
Output device: A display screen, printer, or other device that lets you see what the computer has accomplished.
In addition to these components, many others make it possible for the basic components to work together efficiently. For example, every computer requires a bus that transmits data from one part of the computer to another.
Computer: Definition
A computer is a machine that can be programmed to manipulate symbols. Its principal characteristics are:
It responds to a specific set of instructions in a well-defined manner.
It can execute a prerecorded list of instructions (a program).
It can quickly store and retrieve large amounts of data.
Therefore computers can perform complex and repetitive procedures quickly, precisely and reliably. Modern computers are electronic and digital. The actual machinery (wires, transistors, and circuits) is called hardware; the instructions and data are called software. All general-purpose computers require the following hardware components:
Central processing unit (CPU): The heart of the computer, this is the component that actually executes instructions organized in programs ("software") which tell the computer what to do.
Memory (fast, expensive, short-term memory): Enables a computer to store, at least temporarily, data, programs, and intermediate results.
Mass storage device (slower, cheaper, long-term memory): Allows a computer to permanently retain large amounts of data and programs between jobs. Common mass storage devices include disk drives and tape drives.
Input device: Usually a keyboard and mouse, the input device is the conduit through which data and instructions enter a computer.
Output device: A display screen, printer, or other device that lets you see what the computer has accomplished.
In addition to these components, many others make it possible for the basic components to work together efficiently. For example, every computer requires a bus that transmits data from one part of the computer to another.
This is a timeline about computers' history starting at Mark 1, first electromechanical computer, going over electronic vacuum tubes, ENIAC, EDSAC, EDVAC, LEO, UNIVAC, Apple II or Apple ][, IBM PC, first Macintosh, and the different ages of computers' history.
A presentation on Classification of Computers.
Panjab University, Chandigarh
Classification of Computers
The computer systems can be classified on the following basis:
1. On the basis of size.
2. On the basis of functionality.
3. On the basis of data handling.
Learn in an easy way the 4 types of computer
Micro computer
Mini computer
Mainframe computer and
Supercomputer
along with examples and images for easy understanding
The parts of a computer slideshow for grades 3-4. Includes a quiz and activity. The activity is supposed to have the students act out the parts of a computer.
*ROM is READ ONLY MEMORY - I had a typo...sorry!
This is a timeline about computers' history starting at Mark 1, first electromechanical computer, going over electronic vacuum tubes, ENIAC, EDSAC, EDVAC, LEO, UNIVAC, Apple II or Apple ][, IBM PC, first Macintosh, and the different ages of computers' history.
A presentation on Classification of Computers.
Panjab University, Chandigarh
Classification of Computers
The computer systems can be classified on the following basis:
1. On the basis of size.
2. On the basis of functionality.
3. On the basis of data handling.
Learn in an easy way the 4 types of computer
Micro computer
Mini computer
Mainframe computer and
Supercomputer
along with examples and images for easy understanding
The parts of a computer slideshow for grades 3-4. Includes a quiz and activity. The activity is supposed to have the students act out the parts of a computer.
*ROM is READ ONLY MEMORY - I had a typo...sorry!
TYPES OF COMPUTER
analog
digital
hybrid
CLASSIFICATION OF COMPUTER
Mainframe
Minicomputers
Server
Supercomputers
Microcomputers
Desktops
Laptops
Personal Digital Assistants (PDAs)
Tablet Computers
Wearable Computers
Microcomputers, commonly known as PCs, they are very small and cheap. The first microcomputer was designed by IBM, it was designed in 1981 and was named IBM-PC. Later, many computer hardware companies copied it and termed their microcomputers as PC-compatible, which means to any PC that is based on the original IBM PC design.
Another type of popular PC is designed by Apple. PCs made by IBM and other PC-compatible computers have a different designing as compared to Apple computers.
Moreover, PCs and PC-compatible computers commonly use the Windows operating system, while Apple computer use the Macintosh operating system (MacOS). However, IBM and IBM-compatible PCs are more popular than Apple PC. These microcomputers can be classified into the following categories
Desktop PC is one of the most popular models of PCs. The desktop PC can be placed on a desk or table. It is widely used in homes and offices. It has physical hardware that makes computer to run and connects to input devices such as keyboard and mouse users interact with. Desktop PCs are mostly used in enterprise, as well as in consumer use cases such as gaming. In the enterprise they are important because they are the main means for many users to do their work. Desktop PC contains Motherboard, Processor, storage devises etc inside it.
Laptops are small microcomputers that can easily fit inside a bag. They are very handy and can easily be carried from one place to another. Hence, laptops are very useful, especially for going on long journeys. Laptops works on a special battery and do not always have to be plugged in like desktop computers. The memory and storage capacity of a laptop is almost equal to that of a desktop computer. As with desktop computers, laptops also have HDDs, floppy disk drives, zip disk drives, etc. For input, laptops have a built-in keyboard and a trackball/touchpad, which is used as a pointing device (as a mouse is used for a desktop PC). But laptops have the same features and processing power and speed as the most powerful PCs. However, there is a problem that laptops are generally more expensive than desktop computers. (TERA GHAR JAYEGA ISSME) These computers are very popular among business travellers
Netbook PC also known as Handheld Computers, In the mid 1990s a wide range of small personal computing devices these are commonly known as handheld computers, Palmtop computers, or Mini-Notebook computers. These computers are called Netbook computers because they can fit in one hand like book, while users can use the other hand to operate them. these computers are very small in size, and hence easy to use
Tablet PC is same as notebook computer and can be operated with one hand, but it can be used by input from a Stylus pen or by directly your fingers instead of the keyboard, mouse. It is a portable computer and user can use it anywhere. Tablet Computer are the new generation of PCs:
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10 types of computers
1. 10
TYPES
OF
COMPUTERS
Introduction
To
Computers
–
Technology
Applications
There are a lot of terms used to describe computers. Most of these words imply the size,
expected use or capability of the computer. While the term computer can apply to almost any
device that has a microprocessor in it, most people think of a computer as a device that
receives input from the user through a mouse or keyboard, processes it in some fashion and
displays the result on a screen. Do you know the different types of computers?
PC
Apple
iPad
Air
A
single
person
defines
the
personal
computer,
or
PC,
as
any
computer
designed
for
general
use
by
one
person.
While
a
Mac
is
a
PC,
most
people
relate
the
term
with
computers
that
run
the
Windows
operating
system.
PCs
were
first
known
as
microcomputers
because
they
were
a
complete
computer
but
built
on
a
smaller
scale
than
the
huge
systems
in
use
by
most
businesses.
Personal
computers
come
in
many
forms,
including
the
new
Apple
iPad.
DESKTOP
A
PC
that
is
not
designed
for
portability
is
a
desktop
computer.
The
expectation
with
desktop
systems
is
that
you
will
set
the
computer
up
in
a
permanent
location,
like
a
desk
or
table.
Most
desktops
offer
more
power,
storage
and
versatility
for
less
cost
than
their
portable
brethren.
LAPTOP
Also
called
notebooks,
laptops
are
portable
computers
that
mix
the
display,
keyboard,
a
pointing
device
or
trackball,
processor,
memory
and
hard
drive
all
in
a
battery-‐operated
package
slightly
larger
than
an
average
hardcover
book.
On
the
left
is
a
picture
of
Apple
CEO
Steve
Jobs
holding
up
the
MacBook
Pro
Air.
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Career Opportunities
2. TABLET
COMPUTERS
Tablet
Computers
are
ultra-‐portable
computers
that
are
even
smaller
than
traditional
laptops.
Their
low
cost
means
they're
cheaper
than
almost
any
brand-‐new
laptop
you'll
find
at
retail
outlets.
However,
the
internal
components
are
less
powerful
than
those
in
regular
laptops.
Recent
improvements
to
tablet
computers
have
allowed
users
to
view
HD
video,
get
high
quality
sound,
great
photo
capabilities,
and
the
ability
to
share
information,
photos,
and
videos
with
anyone.
SMARTPHONES
Smartphones
are
handheld-‐sized
computers
that
often
use
flash
memory
instead
of
a
hard
drive
for
storage.
These
devices
usually
do
not
have
keyboards
but
rely
on
touchscreen
technology
for
user
input.
Smartphones
are
typically
smaller
than
a
paperback
novel,
very
lightweight
with
a
reasonable
battery
life.
Smartphones
have
the
same
capabilities
as
tablet
computers,
but
also
allow
users
to
text
or
make
phone
calls.
WORKSTATION
Another
type
of
computer
is
a
workstation.
A
workstation
is
simply
a
desktop
computer
that
has
a
more
powerful
processor,
additional
memory
and
enhanced
capabilities
for
performing
a
special
group
of
task,
such
as
3D
Graphics
or
game
development.
They
may
even
use
multiple
screens
to
enhance
their
viewing.
SERVER
A
computer
that
has
been
optimized
to
provide
services
to
other
computers
over
a
network.
Servers
usually
have
powerful
processors,
lots
of
memory
and
large
hard
drives.
Servers
allow
many
computers
to
share
a
printer
or
other
devices
without
the
cost
of
having
to
buy
one
for
every
computer.
Servers
also
allow
users
to
share
information
and
files
with
each
other.
The
computers
in
this
lab
are
part
of
a
network.
MAINFRAME
In
the
early
days
of
computing,
mainframes
were
huge
computers
that
could
fill
an
entire
room
or
even
a
whole
floor!
As
the
size
of
computers
has
diminished
while
the
power
has
increased,
the
term
mainframe
has
fallen
out
of
use
in
favor
of
enterprise
server.
You'll
still
hear
the
term
used,
particularly
in
large
companies
to
describe
the
huge
machines
processing
millions
of
transactions
every
day.
Mainframes
store
vast
amounts
of
information.
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3. SUPERCOMPUTER
This
type
of
computer
usually
costs
hundreds
of
thousands
or
even
millions
of
dollars.
Although
some
supercomputers
are
single
computer
systems,
most
are
composed
of
multiple
high
performance
computers
working
in
parallel
as
a
single
system.
Supercomputers
are
the
fastest,
most
powerful,
most
expensive
computers
made
today.
The
best-‐known
supercomputers
are
built
by
Cray
Supercomputers.
Many
of
today’s
great
movies
use
supercomputers
for
their
CGI.
They
can
perform
over
a
trillion
calculations
per
second.
WEARABLE
COMPUTERS
The
latest
trend
in
computing
is
wearable
computers.
Essentially,
common
computer
applications
(e-‐mail,
database,
multimedia,
calendar/scheduler)
are
integrated
into
watches,
cell
phones,
visors
and
even
clothing.
Users
can
use
these
devices
for
health
and
fitness,
navigation,
social
networking,
and
gaming.
Google
can
now
augment
a
person’s
vision
through
special
computer
glasses.
The
glasses
can
stream
information
to
the
lenses
and
allow
the
wearer
to
send
and
receive
messages
through
voice
commands.
There
is
also
a
built-‐in
camera
to
record
video
and
take
pictures.
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Career Opportunities