History Of Steven Paul Jobs
History of Mark Zuckerberg
Zuckerberg full name is Mark Elliot Zuckerberg, his father name is Edward Zuckerberg and mother name is Karen Kempner. He has three sisters, Randi, Donna, and Arielle. It was born in May 14th, 1984. His son name is Maxima Zuckerberg. Its school name is Ardsley High School ,He went to study technology at Claremont McKenna College, farther Harvard University Cambridge, for higher Education. In university with the help of students named Eduardo Saverin, Andrew McCollum, Dustin Moskovitz, and Chris Hughes, he launched Facebook February 4, 2004, Cambridge, Massachusetts, United States. He is the famous person in university due to co-founder of the social networking website Facebook.
History William Henry Gates III
Bill Gates full name is William Henry Gates III. It was born in Oct 28, 1955, in Seattle, Washington. He was the second child and only son of William Henry Gates Jr. His has a very close relationship with his mother, named Mary. His wife name is Melinda. Bill Gates has been married for 19 years and has three children. which name is Jennifer Katharine Gates, Phoebe Adele Gates and Rory John Gates. He is study in Washington State University for two years, dropped out and further studied in Harvard. Bill Gates founded the world's largest software business company called Microsoft Corporation. Microsoft is the world largest and top company of the world was
launched in April 4, 1975, Albuquerque, New Mexico, United States.
What does CMOS
CMOS “Complementary Metal Oxide Semiconductor”.
It is also called as Non-Volatile Ram (NVRAM) or Real-Time Clock (RTC). A Complementary Metal Oxide Semiconductor is a battery powered chip that provides start up info like Hardware settings, system time & date settings etc..... to BIOS (Basic Input Output System). BIOS uses this information when you start your computer.
Generally, CMOS battery can last for ten years. But that depends on certain factors, e.g environmental factors, overheating can damage or reduce its lifetime.
A CMOS Chip has approximately 64 Bytes of memory.
Fifth Generation Computers (Present & Beyond)
Scientists are working hard on the 5th generation computers with quite a few breakthroughs. It is based on the technique of Artificial Intelligence (AI). Computers can understand spoken words & imitate human reasoning. Can respond to its surroundings using different types of sensors. Scientists are constantly working to increase the processing power of computers. They are trying to create a computer with real IQ with the help of advanced programming and technologies. IBM Watson computeris one example that outsmarts Harvard University Students. The advancement in modern technologies will revolutionize the computer in future.
Fourth Generation Computers (1975-Present)
Advantages
More powerful and reliable than previous generations.
Small in size
Fast processing power with less power consumption
Fan for heat discharging and thus to keep cold.
No air conditioning required.
Totally general purpose
Commercial production
Less need of repair.
Cheapest among all generations
All types of High level languages can be used in this type of computers
Disadvantages
The latest technology is required for manufacturing of Microprocessors.
Third Generation Computers (1964-1975)
Advantages
Smaller in size as compared to previous generations.
More reliable.
Used less energy
Produced less heat as compared to the previous two generations of computers.
Better speed and could calculate data in nanoseconds.
Used fan for heat discharge to prevent damage.
Maintenance cost was low because hardware failure is reare.
Totally general purpose
Could be used for high-level languages.
Good storage
Versatile to an extent
Less expensive
Better accuracy
Commercial production increased.
Used mouse and keyboard for input.
Disadvantages
Air conditioning was required.
Highly sophisticated technology required for the manufacturing of IC chips.
Second Generation Computers (1955-1964)
Advantages
Smaller in size as compared to the first generation computers.
The 2nd generation Computers were more reliable
Used less energy and were not heated.
Wider commercial use
Better portability as compared to the first generation computers.
Better speed and could calculate data in microseconds
Used faster peripherals like tape drives, magnetic disks, printer etc.
Used Assembly language instead of Machine language.
Accuracy improved.
Disadvantages
Cooling system was required
Constant maintenance was required
Commercial production was difficult
Only used for specific purposes
Costly and not versatile
Puch cards were used for input.
First Generation of Computers (1942-1955)
The beginning of commercial computer age is from UNIVAC (Universal Automatic Computer). It was developed by two scientists Mauchly and Echert at the Census Department of United States in 1947. The first generation computers were used during 1942 to 1955. They were based on vacuum tubes. Examples of first generation computers are ENIVAC and UNIVAC-1.
Advantages
Vacuum tubes were the only electronic component available during those days.
Vacuum tube technology made possible to make electronic digital computers.
These computers could calculate data in millisecond.
Disadvantages
The computers were very large in size.
They consumed a large amount of energy.
They heated very soon due to thousands of vacuum tubes.
They were not very reliable.
Air conditioning was required.
Constant maintenance was required.
Non-portable.
Costly commercial production.
Limited commercial use.
Very slow speed.
Limited programming capabilities.
Used machine language only.
Used magnetic drums which provide very less data storage.
Used punch cards for input.
Not versatile and very faulty.
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