Introduction Computers
have impacted the wave on a large scale. We will find computers in hospitals,
libraries, schools and banks. A computer technology advances, the effects will
continue to change the world for better. Unfortunately, using computers can
also bring many negative effects for your overall health.
1. Positive effects on
learning :- Internet contains online dictionaries, encyclopedias, a wide
variety of games and software's, education. Many online videos teach skills
such as learning a language.
 2. Social Behavior :- computers offers many opportunities to meet new
people. There are many social networking sites that let people connect with
others people can communicate in a variety of ways, date people and reconnect
with old friends and classmates. The internet can help people find others with
common interests, form bonds with strangers and expand their social network.
 3. Personal Life :- Genealogy Reconnecting with friends Easier/Faster communication Catalog pictures Games Access to information
4. Professional life
:- • Training online • Job work faster • More affiant • easier access to
information • Meeting at a company are reduced • Manage payroll, accounts
receivable, taxes • Control inventory
5. Academic Life :- •
Distance learner • Can study day & night • More resources • Video
conferences • Access to your courses
6.Society :-  Computer completes many task easily and
quickly.  It save time and efforts.  Many companies use computer for keep record
& maintain data.  Banks use computer for maintain accounts and manage financial
transactions and provide online transaction , credit card & debit card we
use for online shopping & paying bills.  Moreover computer use in every field of life
such as education, medical, business, industry, airline & weather
forecasting etc.
Overall Positive Impacts :- • Reducing cost/number of staff needed. •
Reducing amount of hardware (printers) due to LAN networking. • Fun – games,
internet, music, graphics. • Communication. More way to interact globally. •
Education – access to info for research.
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NEGATIVE IMPACTS : 
1. Physical Health :-
 Short Term eye problems: Burning, itching
& tearing.  Eyestrain & eye soreness especially for the video display
users.  Employees had heavy workloads are prone to
psychological distress like anxiety, irritability & fatigue.  People who have used the computers for an
extensive period of time may complain about headaches & pains in their
wrists, arms & necks. 
2. Children &
Exposure to Adult material :- More people, especially children &
teenagers, are vulnerable to finding highly explicit adult material.
Pornography is easily accessible to children, & this can affect attitude
toward sex as they mature. They may have trouble dealing with intimacy & develop
a surreal perception of sexual encounters. children who use the internet also
are at risk of learning about different type of drugs & how they alter
sensations or how crimes are committed.
3. Exposure to Radiation
:- Many computers have CRT, or cathode Ray Tube, monitors that give off X- ray
radiation that can affect your health. Being exposed to computer radiation can
cause cancer, tumor, miscarriage & birth defects, headaches and insomnia.
The FDA requires that a computer & TV monitors meet a radiation limit.
However they still give off a small amount of radiation.
4. Addiction :- •
Neglect of family and friends. • Feeling empty, depressed, irritable when don’t
have computer near you. • Problem with school or job. • Sleep disturbances/
change in sleep pattern. • Children addicted to computer games.
5. Personal Life :-  Spend more time on the computer than with
your family.  Addiction – less interaction with people.  Faster communication may not be better
communication.  Identity theft.
6. Professional Life
:-  Working from home limits your interaction
with colleagues.  Negative affects computers have your academic life.  Less interaction with classmates.
7. Society :-  Different task are performed automatically by
use of computers. It reduce the people need & increase the unemployment in
society.  Wastage of time.  The unauthorized person can access the data
through the network. It has create serious problems to data security.  Many people computer use for negative
purpose. They hack the credit card numbers of the people and use them for
shopping.
Overall Negative Impacts :- • Sitting behind a computer all day in
hard on the eyes. • Computers can distract a person so much they lose contact
with the reality around them such as taking time with family, husbands,
boyfriends, wives & children. • More crime is committed through the
internet. • More misinformation by SOME people on the internet can cause
problems for the younger generation. • Hackers can ruin your computer system. •
Hackers, ID fraud & spoof websites. • Viruses, spam & Trojans. • Online
gamblig.
Applications of Computer
1. Desktop Publishing :-
 Creation of documents using page layout
skills on personal computer.  Desktop publishing software can generate layout and produce
typographic quality text and images comparable to traditional typographic and
printing.
2. Marketing:-  Widely used in home shopping.  Advertisement, the purpose of advertising is
to improve sales revenues without an equivalent increase in cost.  Telemarketing, it involves the ways to reach
previously untapped markets. You may have computerized sales calls on phone.
3. Project Management:-
 It is used on computers to plan, schedule,
track, analyze, control manpower, material and other resources for complex and
variety of projects related to various professions.  Examples are:-Purchase order generation,
payroll processing, resource planning, resource allocation, computer added
design.
4. Medicine and
healthcare:-  Lab diagnostic systems.  Lab automations system.  Patient monitoring system.  Pharmacy information system.  CAT scanning (computerized animal
tomography).  Ultrasounds.  PET(Positive emission tomography).  DSA(Digital subtraction Angiography ).
5. Design and
Manufacturing:-  Structural engineering.  Architectural engineering.  Industrial engineering.  IC-Design.  3-D solid modeling.
6. Art and Research:-
 Computer graphics methods are widely used in
fine arts and commercial arts.  Research work requires complex computations. Computers have
made this job very faster and simple.
7. Robotics :-  Missile design and control.  Military communication.  Military planning.  Smart Weapons.
8. Communications :-  Computes are extensively used in sending and
receiving information's.  It is being used to send and receive electronic mails, engage
in online conferencing to view and post news on computer bulletin boards.
9. Sports :-  Virtual training.  Plan strategies.  Ticketing and reservations.  Manage scoreboards. 
10. Banking :-  Managing Accounts.  Managing loans.  ATM machines.  Internet Banking.
 

 
 
 
 
 
 
 
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