electronics past,present and future
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The Past , Present &Future of Electronics
--by Pragmatists
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Introduction Origin of electronics Benefits Drawbacks Developments in electronics Advantages in present electronics Disadvantages with present technology Upcoming technology Pros and cons of electronics conclusions
Topics
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What is electronics? -Use of electricity for measurement , control , communications , computing and similar applications. Use of electronics in daily life -Alarms , lights , calculators , televisions , computers , telephones , fridges ,microwave ovens , etc.
Introduction
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Introduction
Thomas Alva Edison’s invention of bulb.
Valve technology- -developed by Sir J A Fleming -triode valve developed by Lee de Forest -further development led to introduction of radio , television and early form of computer
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Radio waves – -Waves of electromagnetic energy that travel at the speed of light. -Prediction-James Clerk Maxwell.
First demonstration-Heinrich Hertz. Radar- Radio Detection and Ranging -Involves transmission and reflection of radio waves. Transistors It is an electronic component used to control electric current and to provide amplification
Important subjects of Electronics
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Integrated Circuits Small chips of material incorporating the
functions of several separate components of a conventional electrical circuit
Microprocessor Integrated circuit that contains all the
functions of a computer’s central processing unit .
Batteries-source of electrical energy
Important subjects of Electronics
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Origin of Electronics
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Time conservation Work made easy Heavy jobs reduced Storage of information Access to information when needed Telecommunication
Benefits
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Processing time Machine based working Very less features Bulky gadgets Require pre-knowledge about gadgets
Drawbacks
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Development of integrated circuits Wide applications of microprocessors digital watches , hand –held computers and
electronic gaming. Development in digitalization of audio
signals- measuring amplitude of signal at short intervals.
Medical Electronics-progressed from computerized axial tomography and the use of C-scanners
Development in Electronics
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VLSI Circuits (Very Large Scale Integrated)
Broadband Communication Systems
Typewriters-replaced by Computers which are
networked-can communicate with one another
Old fashioned roll of stamps replaced-automatic
electronic mailing machines
Developments in computer systems-introduction of
tablet-mini size handy computer
Developments in Electronics
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Advantages Printing made easy Several copies of
documents Photostat machines Hand held tape
recorders Computer writing-
more effective-tools for spelling and grammar
Internet-connects all over the world
www-Huge resource of information
Mobile devices with technological advancements
Benefits of tracking system , digital maps
Technology in education
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Disadvantages
Careless usage-irrepairable problems
Threat to confidential information
Manufacturing materials-plastics-non bio-degradable
Process of manufacturing-pollutes environment
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Vote by e-mail Robotic Dragonfly DARPA Pix-net Camera Heat Sink
Upcoming Technology
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30 futuristic phones Controlling TV by hand An call from plant Flying cars Self driving cars
Upcoming Technology
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Sharing televised pictures , conversations , graphics , circuits and interactive software.
People-auditory impairment-communicate easily.
Some jobs-conducted from home. Acquiring a job-easy-official proceedings-
forwarded from home.
Advantages of Electronics
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Advantages of Electronics Storage of communicated messages and
important information. Economically viable Speed Electronic journals- -easily searchable -interactive -accessible -links
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Security issues-hackers. Computers-affected by viruses. Difficulties-processing bulky data-providing
feedback. Duplication of electronic data. Problems-’e-mail privacy’. Cyber addiction
The Dark Shadow of Electronics
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Electronic gadgets-part of our daily life. Overcome many difficulties-make tasks
easy. Advantages as well as disadvantages
associated with electronics. Precautions must be taken while using
technological equipments. New technologies-which can overcome present disadvantages
Conclusion
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Team Members
Akhila Divya Harshika Hema Keerthana
Aditya Naveen Rakshith Srikanth Sumanth