... even used to design and build faster and build faster computers. Computers can be classified as analog or digital. Both types process data, but in different ways. Analog computers are best suited to solving problems in which several quantities vary continuously over a period of time, making exact answers difficult or impossible to obtain. Digital computers are capable of providing exact answers to problems. The basic concept of a computer is very simple. A computer processes step by step, performing one operation at a time. For example, a computer reads a number from memory, stores it, reads another number from memory, stores it, retrieves the first number, adds it ...
Words: 389 - Pages: 2
... can be as simple as a pair of coaxial cables running between the court and the jail, or as complicated as satellite transmission and reception facilities. Unless the organizations wanting to communicate are in the same building or are directly adjacent to one another, a communications network run through the telephone system is the most cost-effective approach. A T1 line (the equivalent of 24 standard voice-grade telephone circuits) or a portion of a T1 is required to run high-quality video and audio in two directions. The fiber optic cabling now being installed by telephone companies in many parts of the country has a very high capacity compared to more traditional ...
Words: 1456 - Pages: 6
... as well as hard disk space. An application developed in 1993, probably will be to powerful and run quite slow on a previous system that was 'top of the line' in 1991. That's why it is important for companies to understand that they must think years down the road before spending thousands of dollars on the technology of today. The best way is to prepare for the future such as making sure your mainframe is upgradeable and contains at least 8 expansion slots, which should already be loaded with enhanced graphics cards, the necessary amount of serial ports etc.. Networks are everywhere in the world of business. A network is a series of computers throughout t ...
Words: 1011 - Pages: 4
... Satellites. The Global Positioning System provides users with accurate information about their latitude, longitude, velocity and altitude, as well as the time, anywhere in the world and works in all weather conditions. The GPS was initiated in 1973 by Navstar in the United States and then followed by the Soviet Union with their own GPS. Both GPS systems are free to use by anyone around the world and offers great benefits to the military, commercial companies and civilian residents. On the military side, the U.S. Air Force uses the GPS to test unmanned prototype aircraft’s like the X-22, which can prevent unnecessary human casualties. The GPS is also used ...
Words: 1495 - Pages: 6
... mixture causing the piston to fire downward at a very high speed. And finally, the exhaust stroke. This is when the piston moves up and pushes the burnt gas through a one-way valve, which then goes back into the cylinder head and then through the exhaust manifold and exhaust tubes and the leads out of the car. At 2200 RPM the entire four-stroke cycle is completed 18 times per second in each cylinder. The term V8 L6 and V6 refer to the number and configuration of engines cylinders. While the V8 is more popular for hot-rodding and for fast sports cars. The in-line six is common found in older cars that weren't that powerful. Inline fours and V6's are usuall ...
Words: 1509 - Pages: 6
... space than a single piece of paper. The magnetic technology used for computer data storage is the same technology used in the various forms of magnetic tape from audiocassette to videocassette recorders. One of the first computer storage devices was the magnetic tape drive. Magnetic tape is a sequential data storage medium. To read data, a tape drive must wind through the spool of tape to the exact location of the desired information. To write, the tape drive encodes data sequentially on the tape. Because tape drives cannot randomly access or write data like disk drives, and are thus much slower, they have been replaced as the primary storage device with the hard d ...
Words: 791 - Pages: 3
... social order, and safety or information that is not appropriate to the culture, morality, and traditional customs of the Vietnamese people." on June 4, 1996. It is also impossible to ban all things that are prohibited in a country. For instant, some countries, such as Germany, have considered taking measures against the U.S. and other companies or individuals that have created or distributed offensive material on the Internet. If the United States government really wanted to censor the net, there is only one solution - shut down all network links of other countries. But of course that would mean no Internet access for the whole country and that is disgust by the w ...
Words: 881 - Pages: 4
... incorporate all manner of causes that include politics, human and environmental welfare, economics and the social consequences of implementing new technologies. The technological advancement in the science of weaponry and warfare is an area that has always brought forward groups in society that do not wish to see this area progress. The progress in the area of weaponry and warfare is seen by many as an increase in the capabilities for humans to destroy one another and the environment. The dropping of the first atomic bomb in Nagasaki and Hiroshima in 1945, truly demonstrated for the first time the extent to which technology had advanced our defens ...
Words: 1822 - Pages: 7
... the correct hardware and software to best suit their particular needs, while at the same time making themselves familiar with the new enhancements that increase productivity. Finally, the company must allow time for installation and training. When evaluating the need to convert from a manual accounting system to a computerized accounting system you also need to forecast the future demands of your company. After all to survive in the business world you must anticipate the future and not react to the past. How do you know when it is time to make the critical transition? “It is when management finds itself unable to keep track of its business. Which products ar ...
Words: 1628 - Pages: 6
... However, as this report will show, the move from a manual to a computerised accounting information system is a necessity if one is to be successful. The purpose of this report is to enable Mr Johnson, the Managing Director of Halycon Limited to make an informed decision about whether to move to a computerised accounting system. We shall discuss the changing business environment and it’s impact on accounting information systems; computerised accounting systems and their cost; and the advantages of a computerised system. 2. The Changing Business Environment THE ONLY CERTAINTY IN TODAY’S WORLD IS CHANGE The world is growing smaller. Most markets are bec ...
Words: 2146 - Pages: 8
