.... computer should be exiting and fun. It should stimulate their interest in the computing field. First and foremost is the fact that computer software is a very important educational tool. Students in high schools experience computers for the first time through games and other entertaining software. These help develop youth's mental pathway in the way of logic, reflexes and the ability to make quick and concrete decisions [Lipcomb, 66]. The next step requires them to think more seriously about the machines. Secondary students learn the first steps in computer programming by creating simple programs. Here, the assistance of useful soft .....

.... as secondary cells, are rechargeable cells. The primary battery is the most common type of battery used today, invented by the French chemist Geoges Leclanche in the late 1860’s. At the time this invention was very important and helped the start of the industrial revolution. It allowed people with portable electricity. This popular invention was called the dry cell or flashlight battery. The Lechlanche cell is very similar to the dry cell we use today. The positive pole is a rode of carbon embedded in a black manganese dioxide (MnO2) and Carbon particles and the negative electrode is made of zinc. The electrolyte consists of a mixture of ammoniu .....

.... other computer applications, there’s no easier way than capturing the images directly to a digital format. Second, do away with film and processing costs, which would make up the price difference over the life of the camera. Last, since it doesn’t cost anything to take a photograph picture with a digital camera, and most models let you view and erase pictures on the spot, you save money buy getting rid of those unwanted pictures before they are processed. For example: you could take a picture from 5 different angles, select the best one, and delete the rest. all come with built-in memory that stores the photos you take until you can dow .....

.... a car is equipped with. The sensors consist of a tube containing a ball held in place by a spring. In a frontal impact, the ball is forced against the spring in proportion to the severity of the crash. Other systems use an accelerometer instead of crash sensors, frequently located within the steering column or in the airbag assembly itself. An accelerometer is more sophisticated than the ball-in-tube crash sensor, and will likely see more widespread use in future models. Nearly all airbag designs are engineered to inflate when the sensors register a crash equivalent to hitting a solid barrier at 10-12 miles per hour. When a car is involved in an accid .....

.... keep track of the date. In almost every system before 1995 the date that the computer kept was abbreviated. An example would be that 1951 would be abbreviated as 51. So, as a result, computers will read 00 and think it's 1900 and not 2000. This seemingly small problem will result in a loss of most records and information kept in computers causing a major headache for government agencies and major businesses, not to mention all home owners and other people. Gina Smith writes in a August 1998 issue of Popular Science about the fixing of the problem "You are probably wondering why the problem is so hart to fix. It isn't It's just that there .....

.... at your display, you see that California is now glowing a soft red in color, in place of the green glow just moments before. You select the state of California, and it zooms in for a closer look. You see a network diagram overview of all the computers your company has within California. Two systems are flashing, with an X on top of them indicating that they are experiencing problems. Tagging the two systems, you press enter, and with a flash, the screen displays all the statitics of the two systems, including anything they might have in common causing the problem. Seeing that both systems are linked to the same card of a network switch, yo .....

.... to educate effortlessly a person. According to the Profession story people would no longer read books to learn and improve their knowledge. People would rely on the computers rather than "try to memorize enough to match someone else who knows" (Nine Tomorrows, Profession 55). People would not chose to study, they would only want to be educated by computer tapes. Putting in knowledge would take less time than reading books and memorizing something that would take almost no time using a computer in the futuristic world that Asimov describes. Humans might began to rely on computers and allow them to control themselves by letting computers educate p .....

.... is safe and nobody can steal it from the memory of the computer? Physical hazard is one of the causes of destroying the data in the computer. For example, send a flood of coffee toward a personal computer. The hard disk of the computer could be endangered by the flood of coffee. Besides, human caretaker of computer system can cause as much as harm as any physical hazard. For example, a cashier in a bank can transfer some money from one of his customer's account to his own account. Nonetheless, the most dangerous thief are not those who work with computer every day, but youthful amateurs who experiment at night --- the hack .....

.... was a wooden rack with the two wires strung across it horizontally and the beads were strung across the wires. This was used for normal arithmetic uses. These type of computers are considered analog computers. Another analog computer was the circular slide rule. This was invented in 1621 by William Oughtred who was an English mathematician. This slid ruler was a mechanical device made of two rules, one sliding inside the other, and marked with many number scales. This slide ruler could do such calculations as division, multiplication, roots, and logarithms. Soon after came some more advanced computers. In 1642 came Blaise Pascal's computer, the Pa .....

.... including using it as a sort of drug. This became evident when, among other people, Timothy Leary became interested in VR. This has also worried some of the researchers who are trying to create very real applications for medical, space, physical, chemical, and entertainment uses among other things. In order to create this alternate reality, however, you need to find ways to create the illusion of reality with a piece of machinery known as the computer. This is done with several computer-user interfaces used to simulate the senses. Among these, are stereoscopic glasses to make the simulated world look real, a .....