The iPhone is a Internet and multimedia-enabled smart phones which is designed by Apple. iPhone was marketed on June 29, 2007. Features of iPhones are video camera ,visual voicemail, Portable media player, E-mail and Web browsing capability, Wi-Fi and 3G connectivity, Multi-Touch Screen, virtual keyboard, 2G Network, Accelerometer sensor for Auto-Rotate, Proximity Sensor for Auto Turn-Off, Scratch-Resistant Surface, Unlimited Phonebook Entries and Fields, Photocall, Internal Memory 4/8/16 GB, internal rechargeable battery.
Solar Power System is the conversion system of sunlight into electricity. There are two types of technology in solar power system - Directly using Photovoltaics Solar Power and Indirectly using Concentrated Solar Power. Photovoltaic technology is a reliable and produce pollution free electricity. Lenses or Mirrors and Tracking systems are used to focus a large area of sunlight In Concentrated solar power technology. To use Solar Power System, you need some components as Battery, Solar Panel, Solar Panel Mount, Charge Controller, Inverter, Metering.
A Tablet PC is a Wireless, Portable, Lightweight Version of a Personal Computer which shape is flat, with a LCD touch screen, large than a smart phone and and running a standard operating system like Windows or Linux. Tablet PC is powerful which supports all applications with operation systems as Windows Xp, Windows XP Professional, iOS or Android,. Monitor, Keyboard, Mouse and other devices can be used in Tablet PC. The smaller screen in the a Tablet PC is 7 Inch to 10 Inch which fits to carry and take in pocket. Intel Pentium III (above 800MHz) is currently used in Tablet PC.
What is environment ? The environment refers to the air, water, and land in which people, animals and plants live. So human beings, animals, plants, air, water, and soil are the main elements of the environment. The natural forces such as storms, cyclones and earthquakes are also a part of this environment. Climate is thus a condition of the environment. All things that make up the environment are interrelated.
The world is producing millions of tons of domestic rubbish and toxic industrial waste each year, and it is becoming increasingly difficult to find suitable locations to get rid of all the refuse. The disposal of various kings of waste is seriously pollution the environment. We know that air is an important element of our environment and our air is polluted by smoke. Man makes fires to cook food, make bricks, melt tar for road construction and to do may other things.
Forests play a vital role in the total scheme of the world. They not only provide the living space for most of the world’s wildlife but also help humans in various ways. Humans get most of their wood from forest trees. Many plants and trees provide them with vegetables fruits as well. But humans are destroying forest. Trees are being cut down for the wood itself and for wood-pulp which is used in paper-making. Forests are being destroyed for road-building and to provide land for large herds of cattle to graze on. The effects of this mass destruction of forest could eventually affect us all. Dark forests absorb heat more effectively than lighter crops and grasses. The process of deforestation can altogether change the weather patterns of the world. Even more serious is the greenhouse effect.
Space Shuttle Discovery Launched on Final Mission at NASA's Kennedy Space Center on Florida and touchdown on March 9, 2011 at 10:57:17 CST. This mission is commanded by veteran NASA Astronaut Steven Lindsey. Pilot Eric Boe and mission specialists Alvin Drew, Steven Bowen, Michael Barratt and Nicole Stott were also aboard and spent one full year in space.
NASA's Launch Schedule
Date: Sept 08, 2011
Mission: GRAIL
Launch Vehicle: Delta II Heavy
Launch Site: Cape Canaveral Air Force Station, Fla.
Launch Times: 8:37:06 a.m. and 9:16:12 a.m. EDT
Date: Oct 25, 2011
Mission: NPP
Launch Vehicle: Delta II
Launch Site: Vandenberg Air Force Base, Calif.
Launch Window: 2:47:35 a.m. - 2:57:35 a.m. PDT / 5:47:35 a.m. - 5:57:35 a.m. EDT
Date: Nov 25, 2011
Mission: Mars Science Laboratory, Curiosity Rover
Launch Vehicle: Atlas V
Launch Site: Cape Canaveral Air Force Station
Launch Time: 10:21 a.m. EST
Date: Nov 30, 2011
Mission: SpaceX
Launch Vehicle: Falcon 9/Dragon
Launch Site: Cape Canaveral Air Force Station
Six missions to the moon was made and a total of 12 astronauts walked on the moon. One of the missions Apollo-13 failed and they had to return. But The First man on the moon On July 20, 1969 with Apollo-11 was Commander Neil Armstrong who made history with Michael Collins, command module pilot; and , Edwin E. Aldrin Jr., lunar module pilot. On July 16, 1969, the Apollo 11 launched from the Kennedy Space Center. After completing the successful mission On July 24, the astronauts returned home aboard the command module Columbia into the Pacific Ocean.
Yuri Alekseyevich Gagarin (9 March 1934 to 27 March 1968) who was a Russian Soviet pilot and cosmonaut. He was born in the village of Klushino on 9 March 1934. He was interested about space and planet and He was the first man who Journey into space. He completed his technical school in 1955 and entered at Pilot's School. He got married in 1957, after gaining his pilot's wings in a MiG-15. He won the Rank of Senior Lieutenant on 6 November, 1959. On 12 April 1961 (Vostok 1) he became the first man on space.
Scientists have always wondered if there is life anywhere out in the space besides us. They have joined together on a major project called the Communication extra-Terrestrial Intelligence (CETI) which seeks to establish contact with any other living beings in the universe.
It was thought that there is life on Mars. But two Viking spacecrafts that landed on Mars in 1976 did not provide much evidence of life. The Pictures sent by them showed Mars as having a red sky instead of a blue one like ours and pinkish iron-rich soil. Its gravity is about half as strong as that of earth so that the atmosphere is also much thinner than our planet. It has deserts, high mountains, volcanoes, craters, grooves like canals as well as summer and winter seasons. But there are no trees or signs of any life forms. However, a close inspection of a meteorite from Mars that fell on the earth has revealed tiny fossils like bacteria 3.6 billion years old. This proved that some form of life existed there in the past. But who knows space probes have also been sent to planets Jupiter, Saturn, Uranus and Neptune. It will take years for a space probe to reach a planet and many more years to analyze all the data sent to earth by these probes.
There have been many alarming reports that the world’s climate is undergoing a significant change. All these reports provide strong evidence that world temperatures are increasing day by day. This increase in global worming is caused by increased amounts of carbon dioxide around the earth. Most climatologists believe that the greenhouse effect is the most likely cause of this global worming.
Greenhouse effect is the gradual warming of the air surrounding the earth as a result of heat being trapped by environmental pollution. This is exemplified by the destruction and burning down of fossil fuels and tropical rain forests, by traffic that clogs up city streets, by the rapid growth of industry, the use of chlorofluorocarbons (CFCs) in packaging and manufacturing commercial products, the use of detergents such as washing powder and washing-up liquid and so on.
The oceans are also said to be affected both because of human waste and because of pollution caused by industrial waste products, oil seeping from damaged supertankers and from other maritime disasters. The main culprits for global warming are carbon dioxide gas, produced by the burning of fossil fuels and forests, and pollutants such as methane and chlorofluorocarbons.
Climatologists predict that by midway through the next century, temperatures may have risen by as much as 4 Degree Celsius. This could catastrophically reduce mankind’s ability to grow food, destroy or severely damage wildlife and wilderness, raise sea levels and thereby flood coastal areas and farmland. The alarming news about the lower part of the country is that as a result of the rise of the sea may one day go under water.
Upcoming 5G Technology refers to 5th generation mobile technology or 5th generation wireless systems. 5G mobile technology has very high bandwidth & all type of features which will help to the users to access into broadband internet connection. The 5G mobile technologies or 5th generation wireless systems have 5G technology is included Camera, MP3 Recording, Video Player, Huge Phone Memory, Dialing Speed, Audio Player, Bluetooth , FM Radio.
Hackers who are authorized person to access into computer or network administration without permission of owner. They are hacking daily which does against Law and Really, it is an illegal activities. They stole many information, data, identity, money and many other things.
To protect your computer you should turned on your firewall and don’t share or transfer data or softwares via internet.
Install an Anti-Virus and keep update and use only trusted software.
Install a reliable Anti-Spyware Technology.
Use a complex login password by the combination of at least (Alphanumeric Code as a-z, A-Z, 0-9, * # @ %) one upper and lowercase letters, numeral number and special characters. You should better use one password in one account not multiple account.
Use the latest version and trusted software and keep update once all of the softwares every 2-3 months, Update your Windows operating system.
Avoid to browse the hacker controlled websites and Don’t click on the temptation ads.
You should avoid to open the spam or unknown emails which are doubtful to you and delete the doubtful emails.
NASA’s scientists announced on August 04, 2011 that provide additional evidence of seasonal highly salty water flows on the Red Planet which also empowers the possibility of life on the Mars.
According to scientists, Salt lowers the freezing point of water and the temperature on Mars during these flows ranges from 23-27 degrees Celsius. Temperature on Mars can go down to minus 128 degrees Celsius. The liquid water on the Mars would be extremely salty and lie under the surface. Their was frozen carbon dioxide (CO2) that might have been flooding.
NASA has been looking for water on the Red Planet for 15 years. In 2008, NASA found minerals in soil which indicated that there could have been a presence of water at one time.
Green technology is that which is environmental technology and clean technology. Green technology is the way to not damage the Earth’s natural resources. It makes change in our daily life in a advanced way. We can reduce and utilize waste by using green technology. There are various types of green technologies such as Energy, Building, Preferred purchasing, Chemistry, Nanotechnology etc. Clean technology the effective way against environmental pollution.
There are five generation in digital computing. There are various advanced features in various generations. Vacuum tubes, transistors, integrated circuits,Microprocessors are referred to various generations.
·The First Generation (1951-1958)
Vacuum tubes as their main logic elements.
Punch cards to input and output store data
Use of Rotating magnetic drums for internal storage
Assembly language
Problem in maintenance and temperature
More consume of electricity.
Example : UNIVAC, BINAC, ENIAC, IBM 650, IBM 704, MARK.
The Second Generation (1959-1963)
Vacuum tubes are replaced by Transistors.
Magnetic tape and disks began to replace punched cards.
High-level programming languages.
Data transmit by using telephone line.
FORTRAN and COBOL Languages.
Example : IBM 1400, Honeywell 200, CDC-1604, GE 200 etc.
The Third Generation (1964-1979)
Transistors were replaced by integrated circuits.
Magnetic tape and disks completely replace punch cards.
Usage of Mouse.
Advanced programming language
Metal oxide semiconductor (MOS) memory
Example : IBM 370, PDP-8, GE-600 etc
The Fourth Generation (1979- Present)
Integrated Circuits were replaced by Microprocessor.
Large Scale Integration and Very Large Scale Integrated Circuits (LSI and VLSIC).
Microprocessors contain Arithmetic Logic Unit, Control Unit and Memory Unit.
