Computer and types

11/13/2016Suriya Bhatti 3
 A programmable electronic device designed to
accept data, perform prescribed mathematical and
logical operations at high
 speed, and display the results of these operations.
 Mainframes, desktop and laptop computers,
tablets, and
smartphones are some of the different types of
computers.


As early as the seventh
century,mathematicions were trying to
create a machine that could perform
basic mathematical functions such
as,addition,subtraction,division and
multipilication.

in history of computer thereare five generations
First generation(1940-1956)
vaccuum tubes are invented.
The first computer used vaccum tubes circuitry and
magnetic drivers for memory,and were often
enormous taking up entire rooms.
UNIVAC and ENIAC

Transistors replaced vaccum tubes and used
in the second generation of computers.
These are smaller,faster and cheaAper.

 Integrated circuit was invented in third generation.
 Integrated circuit was the hallmark of third
generation of computers.
 Transistors were miniaturized and placed on
silicon chips called semiconductors,which
drastically increased the speed and efficiency of
computers.

 Microprocessor brought the fourth generation
of computer.
 As thousands of integrated circuit were built
on to a silicon chip.

 Fifth generation Computing devices based
on artificial intelligence,are still in
development ,though there are some
applications such as voice recognization.


 Desktop or Pc(personal computer) is a computer meant for a
desk or Home.
 It is not wireless Portable.
 Desktop have mouse,keyboard and base unit includes the
computer components.
 Desktop are cheaper then laptop.

 Laptop is a portable wireless pc.
 It can do everything a desktop can do.
 We can use laptop anywhere.
 Laptops are more expensive then desktop and
netbooks.
 Laptop have touchpads which which is built in with
the integrated keyboard.

 Netbook Or notebook which is sometime known as
a PC that is similar to a laptop but is
cheaper,lighter and a lot small.
 Netbooks are great for business because they use
it everywhere and put it in their bags.

 A tablet is a wireless phone like computer with a
touch screen.
 Touch screen enables u to control the pointer by
moving your finger around the screen,this is
instead of a using mouse.
 You also use a virtual keyboard rather than physical
one.
 Tablets are bigger than PDA and mobile phones.

 PDA is a phone like device that manages
information.
 They are commonly known as smartphones.
 Phones and PDAs are similar in work but PDA do
more.

 The purpose of game consule is to play vdo
games.
 Example PS3 and Xbox 360.

 Mobile is a portable phone device that allows
the user to phone someone while on the
move,as well as writing a text messeges.
 Most modern phones can also connect to the
internet.

 Base unit is a case that contains all of the
desktop components .
 It contains the components like DVD
drive,RAM,Motherboard.
 Portable computers like laptop,netbook and
tablets have not a base unit.
 Newer desktop have the base unit
built into the monitor.

 Hardware refers to the physical parts of computer.
 They are things which u can touch and feel.
 Like ,monitor,keyboar,mouse etc.

 Also known as progrsmme or code.
 Software are instructions executed by a computer
as opposed to the physical device on which they
run (hardware)
 Software is set of instructions that tells the
computer that what to do.

0
10
20
30
40
50
60
70
80
90
100
internet playing
games
writing use info cd
dvd
age 16 to 25
26 to 35
36 to 45

technology use
mobile
online t.v
internet use
general internet use

0
50
100
150
200
250
300
pak china india iran
banks
offices
schools

 I defined about computer that is electronic machine
 Then we learned about history of computer there aare 5
generations in computer history.
 I defined what are types of computer …
These are mobiles,laptop,base unit,game
consule,pda,tablet,desktop and net or nootebook.
 Then I defined about hardware and software.
hardware refers to physical parts of computer like
cpu,keyboard etc
software is instructions that are executed by computer.
like MS office , antivirus etc
in last these things described in pie,line and bar chart.

Computer and types

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