Computer is an electronic device that accepts data as input, processes it, and provides output according to a set of instructions. It uses hardware and software where hardware are the physical parts and software are the instructions. Computers have evolved through 5 generations from using vacuum tubes to today's microprocessors and artificial intelligence. Computers provide many benefits but also some negatives like health issues. Computers are widely used in various fields like business, education, medical, defense, government, industries and more. They help with tasks like communication, data storage, analysis, automation and more.
5. What is computer?
Computer comes from the LATIN word **COMPUTE** which means –TO
CALCULATE.
COMPUTER is an electronic machine used to solve different problems
according to set of instruction given to it .
A computer accepts
Into useful information.
Input Process
data Output
6. Difference between software and
hardware
Hardware
Physical parts of
computer which we
can see and touch
is called hardware
.Examples are key
board, mouse ,
monitor etc..
Software
7. First Generation(
1939- 1957)-
vacuum tubes
Second
Generation
(1957- 1959) –
Transistors
Third Generation
(1959 -1971)- Ic
circuits
Fourth
Generation (
1971 – 1990)
microprocessor
Fifth Generation
( 1990 – present)
Artificial
intelligence
8. Computer
Positive
Daily task easy and quickly
Keeping records
Learning
Research
Globalization
Communication
Entertainment
Trading
‘
Negative
Eyesight problem
Physical health issue
Addiction
Exposure to radiation
Un employment
Cyber crime
Data security
13. Medical field
computers keeping help in records of all the patients in a hospital.
Computers help doctors in controlling operation theatre machines
like X-ray, CT-scan, laser machine…
Computer help in doing a number of medical test.
17. Defense
Weapon
constructing and
controlling
Computer help in
constructing weapon and
controlling their functions.
Criminal record
Computer help in keeping
records of criminals.
Talk with soldiers
Computers help in
establishing
communication links
between the soldiers and
their commanders through
satellite.
18. Army
Computerized ROBOT now
use in the battle field and
tanks are also installed
with computers.
Air force
All the fighter plan equipped
with computer system for
targeting and navigation .
With this auto pilot mode can
be on and jet fly without man
controlling.
Navy
Navy defense system
totally based on computer
navigation and targeting.
19. Government
Various department of the government
use computers for their planning ,
control and law enforcement activities.
To name a few
20. Industry
Clothe design
Computer used to different
designing on the clothe
like (pants,shirts,coats,ties
etc..
Furniture
Now the amazing furniture
design by the latest
computer technology.
Mobile assembling
All mobile software's
program in computer and
then install into the mobile.
21. Glass manufacturing
Computer help in glass design for
the house , building, etc…..
Car assembling
Computer used in design
the new models and paint
of the car which is control
by the program robot.
Steel and iron
Different software's install to
control the functions of
machines . For this we can
deign , write and cut
according to demand.
22. Online booking
Computer used in booking of
tickets online .For this time
can be save.
Tracking
Computer can be connected
with the satellite and this help
in locate the things , places
etc….
Weather forecast
For this we can saw weather
detail of any city in the world
and travel according to
situation.
23. Record of account
holders
Computers are used in bank
for storing information
about different account
holders.
Record of cash
Computers help in keeping
record of the cash.
Account
information
Computers help in giving
all kinks of information
regarding any account in
the bank.
24. Education
Online Examination
The trend of online examination is becoming popular. Different examination
like GRE, GMAT and SAT are conducted online all over the world. The
questions are marked by computer. It minimizes the chance of mistakes. It
also enables to announce the result in time.
Distance Learning
A method of studying in which
lectures are broadcast or lessons are conducted by
correspondence, without the student needing to
attend a school or college.
25. sports
Storing and
watching movies
Computer used in watch the
sports movies and saw the
style of the opponent.
Game and
performance
It is used to mange our sport
and physical performance .
Score counting
Computer help in counting
the score digitally on the score
board.
26. Exploration
To find the natural fuels
like oils ,petroleum, coal,
precious things etc…..
Mine planning and design
Computer are used to
design the whole structure
of the mine and then next
for find the way.
Blasting
Blasting software use to
predict at blasting result
on mine site. An efficient
blasting is key to
profitability of the mine.
27. Computer Uses In agriculture
prediction of weather conditions and estimation of agricultural
production.
Computers are used for record-keeping of information related to
costs involved in production, transport, and in the estimation and
calculation of profit and/or loss.
The Internet aids communication among farmers and between
agriculture experts.