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Industry fabrication devices peripheral computing complexes and electronic digital machines

Industry fabrication devices peripheral computing complexes and electronic digital machines

A computer is a programmable device that can automatically perform a sequence of calculations or other operations on data once programmed for the task. It can store, retrieve, and process data according to internal instructions. A computer may be either digital, analog, or hybrid, although most in operation today are digital. Digital computers express variables as numbers, usually in the binary system. They are used for general purposes, whereas analog computers are built for specific tasks, typically scientific or technical. The term "computer" is usually synonymous with digital computer, and computers for business are exclusively digital.

VIDEO ON THE TOPIC: History of Burroughs Corp. Computers & Machines to 1956 , UDEC, E101, Data Processing, UNISYS

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Introduction to Computer Information Systems/Print version

A computer is a machine that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming. Modern computers have the ability to follow generalized sets of operations, called programs. These programs enable computers to perform an extremely wide range of tasks.

A "complete" computer including the hardware , the operating system main software , and peripheral equipment required and used for "full" operation can be referred to as a computer system. This term may as well be used for a group of computers that are connected and work together, in particular a computer network or computer cluster.

Computers are used as control systems for a wide variety of industrial and consumer devices. This includes simple special purpose devices like microwave ovens and remote controls , factory devices such as industrial robots and computer-aided design , and also general purpose devices like personal computers and mobile devices such as smartphones. The Internet is run on computers and it connects hundreds of millions of other computers and their users. Early computers were only conceived as calculating devices.

Since ancient times, simple manual devices like the abacus aided people in doing calculations. Early in the Industrial Revolution , some mechanical devices were built to automate long tedious tasks, such as guiding patterns for looms.

More sophisticated electrical machines did specialized analog calculations in the early 20th century.

The first digital electronic calculating machines were developed during World War II. The first semiconductor transistors in the late s were followed by the silicon -based MOSFET MOS transistor and monolithic integrated circuit IC chip technologies in the late s, leading to the microprocessor and the microcomputer revolution in the s. The speed, power and versatility of computers have been increasing dramatically ever since then, with MOS transistor counts increasing at a rapid pace as predicted by Moore's law , leading to the Digital Revolution during the late 20th to early 21st centuries.

Conventionally, a modern computer consists of at least one processing element , typically a central processing unit CPU in the form of a metal-oxide-semiconductor MOS microprocessor , along with some type of computer memory , typically MOS semiconductor memory chips.

The processing element carries out arithmetic and logical operations, and a sequencing and control unit can change the order of operations in response to stored information. Peripheral devices include input devices keyboards, mice, joystick, etc. Peripheral devices allow information to be retrieved from an external source and they enable the result of operations to be saved and retrieved.

According to the Oxford English Dictionary , the first known use of the word "computer" was in in a book called The Yong Mans Gleanings by English writer Richard Braithwait: "I haue [sic] read the truest computer of Times, and the best Arithmetician that euer [sic] breathed, and he reduceth thy dayes into a short number. The word continued with the same meaning until the middle of the 20th century. During the latter part of this period women were often hired as computers because they could be paid less than their male counterparts.

The Online Etymology Dictionary gives the first attested use of "computer" in the s, meaning "one who calculates"; this is an "agent noun from compute v. The Online Etymology Dictionary states that the use of the term to mean " 'calculating machine' of any type is from Devices have been used to aid computation for thousands of years, mostly using one-to-one correspondence with fingers.

The earliest counting device was probably a form of tally stick. Later record keeping aids throughout the Fertile Crescent included calculi clay spheres, cones, etc.

The abacus was initially used for arithmetic tasks. The Roman abacus was developed from devices used in Babylonia as early as BC. Since then, many other forms of reckoning boards or tables have been invented. In a medieval European counting house , a checkered cloth would be placed on a table, and markers moved around on it according to certain rules, as an aid to calculating sums of money.

The Antikythera mechanism is believed to be the earliest mechanical analog "computer" , according to Derek J. It was discovered in in the Antikythera wreck off the Greek island of Antikythera , between Kythera and Crete , and has been dated to c. Devices of a level of complexity comparable to that of the Antikythera mechanism would not reappear until a thousand years later.

Many mechanical aids to calculation and measurement were constructed for astronomical and navigation use. A combination of the planisphere and dioptra , the astrolabe was effectively an analog computer capable of working out several different kinds of problems in spherical astronomy. An astrolabe incorporating a mechanical calendar computer [8] [9] and gear -wheels was invented by Abi Bakr of Isfahan , Persia in The sector , a calculating instrument used for solving problems in proportion, trigonometry, multiplication and division, and for various functions, such as squares and cube roots, was developed in the late 16th century and found application in gunnery, surveying and navigation.

The planimeter was a manual instrument to calculate the area of a closed figure by tracing over it with a mechanical linkage.

The slide rule was invented around —, shortly after the publication of the concept of the logarithm. It is a hand-operated analog computer for doing multiplication and division.

As slide rule development progressed, added scales provided reciprocals, squares and square roots, cubes and cube roots, as well as transcendental functions such as logarithms and exponentials, circular and hyperbolic trigonometry and other functions.

Slide rules with special scales are still used for quick performance of routine calculations, such as the E6B circular slide rule used for time and distance calculations on light aircraft. In the s, Pierre Jaquet-Droz , a Swiss watchmaker , built a mechanical doll automaton that could write holding a quill pen.

By switching the number and order of its internal wheels different letters, and hence different messages, could be produced. In effect, it could be mechanically "programmed" to read instructions.

The tide-predicting machine invented by Sir William Thomson in was of great utility to navigation in shallow waters. It used a system of pulleys and wires to automatically calculate predicted tide levels for a set period at a particular location. The differential analyser , a mechanical analog computer designed to solve differential equations by integration , used wheel-and-disc mechanisms to perform the integration. In , Lord Kelvin had already discussed the possible construction of such calculators, but he had been stymied by the limited output torque of the ball-and-disk integrators.

The torque amplifier was the advance that allowed these machines to work. Starting in the s, Vannevar Bush and others developed mechanical differential analyzers. Charles Babbage , an English mechanical engineer and polymath , originated the concept of a programmable computer. Considered the " father of the computer ", [16] he conceptualized and invented the first mechanical computer in the early 19th century. After working on his revolutionary difference engine , designed to aid in navigational calculations, in he realized that a much more general design, an Analytical Engine , was possible.

The input of programs and data was to be provided to the machine via punched cards , a method being used at the time to direct mechanical looms such as the Jacquard loom. For output, the machine would have a printer, a curve plotter and a bell. The machine would also be able to punch numbers onto cards to be read in later. The Engine incorporated an arithmetic logic unit , control flow in the form of conditional branching and loops , and integrated memory , making it the first design for a general-purpose computer that could be described in modern terms as Turing-complete.

The machine was about a century ahead of its time. Eventually, the project was dissolved with the decision of the British Government to cease funding. Babbage's failure to complete the analytical engine can be chiefly attributed to political and financial difficulties as well as his desire to develop an increasingly sophisticated computer and to move ahead faster than anyone else could follow.

Nevertheless, his son, Henry Babbage, completed a simplified version of the analytical engine's computing unit the mill in He gave a successful demonstration of its use in computing tables in During the first half of the 20th century, many scientific computing needs were met by increasingly sophisticated analog computers , which used a direct mechanical or electrical model of the problem as a basis for computation. However, these were not programmable and generally lacked the versatility and accuracy of modern digital computers.

The differential analyser , a mechanical analog computer designed to solve differential equations by integration using wheel-and-disc mechanisms, was conceptualized in by James Thomson , the brother of the more famous Lord Kelvin. The art of mechanical analog computing reached its zenith with the differential analyzer , built by H. This built on the mechanical integrators of James Thomson and the torque amplifiers invented by H. A dozen of these devices were built before their obsolescence became obvious.

By the s, the success of digital electronic computers had spelled the end for most analog computing machines, but analog computers remained in use during the s in some specialized applications such as education control systems and aircraft slide rule.

By , the United States Navy had developed an electromechanical analog computer small enough to use aboard a submarine. This was the Torpedo Data Computer , which used trigonometry to solve the problem of firing a torpedo at a moving target. During World War II similar devices were developed in other countries as well. Early digital computers were electromechanical; electric switches drove mechanical relays to perform the calculation.

These devices had a low operating speed and were eventually superseded by much faster all-electric computers, originally using vacuum tubes. The Z2 , created by German engineer Konrad Zuse in , was one of the earliest examples of an electromechanical relay computer. In , Zuse followed his earlier machine up with the Z3 , the world's first working electromechanical programmable , fully automatic digital computer. It was quite similar to modern machines in some respects, pioneering numerous advances such as floating point numbers.

Rather than the harder-to-implement decimal system used in Charles Babbage 's earlier design , using a binary system meant that Zuse's machines were easier to build and potentially more reliable, given the technologies available at that time. Purely electronic circuit elements soon replaced their mechanical and electromechanical equivalents, at the same time that digital calculation replaced analog.

The engineer Tommy Flowers , working at the Post Office Research Station in London in the s, began to explore the possible use of electronics for the telephone exchange. Experimental equipment that he built in went into operation five years later, converting a portion of the telephone exchange network into an electronic data processing system, using thousands of vacuum tubes.

The German encryption machine, Enigma , was first attacked with the help of the electro-mechanical bombes which were often run by women. Colossus was the world's first electronic digital programmable computer. It had paper-tape input and was capable of being configured to perform a variety of boolean logical operations on its data, but it was not Turing-complete. Colossus Mark I contained 1, thermionic valves tubes , but Mark II with 2, valves, was both 5 times faster and simpler to operate than Mark I, greatly speeding the decoding process.

Like the Colossus, a "program" on the ENIAC was defined by the states of its patch cables and switches, a far cry from the stored program electronic machines that came later. Once a program was written, it had to be mechanically set into the machine with manual resetting of plugs and switches.

It combined the high speed of electronics with the ability to be programmed for many complex problems. It could add or subtract times a second, a thousand times faster than any other machine.

It also had modules to multiply, divide, and square root. High speed memory was limited to 20 words about 80 bytes. Built under the direction of John Mauchly and J. The machine was huge, weighing 30 tons, using kilowatts of electric power and contained over 18, vacuum tubes, 1, relays, and hundreds of thousands of resistors, capacitors, and inductors. The principle of the modern computer was proposed by Alan Turing in his seminal paper, [40] On Computable Numbers.

Turing proposed a simple device that he called "Universal Computing machine" and that is now known as a universal Turing machine. He proved that such a machine is capable of computing anything that is computable by executing instructions program stored on tape, allowing the machine to be programmable. The fundamental concept of Turing's design is the stored program , where all the instructions for computing are stored in memory.

History of computing

That same year in Germany, engineer Konrad Zuse built his Z2 computer, also using telephone company relays. Their first product, the HP A Audio Oscillator, rapidly became a popular piece of test equipment for engineers. In , Bell Telephone Laboratories completes this calculator, designed by scientist George Stibitz.

Today's world runs on computers. Nearly every aspect of modern life involves computers in some form or fashion. As technology is advancing, the scale of computer use is increasing.

Part-time employees in the same industry work So too tend to earn more than other races and ethnicities in this industry. Based on estimates from the Bureau of Economic Analysis, this section indicates the amount of money spent by a specific industry in other industries. In this visualization, click on a category to expand or collapse it. All of the industries listed to the left are those places from which the highlighted industry has made purchases.

Electronics Equipment List

Not a MyNAP member yet? Register for a free account to start saving and receiving special member only perks. Electronics, computers, and associated software have transformed every facet of society. In addition to providing the basis for the information revolution, electronics enable many of society's vital support systems, including those that provide for such necessities as food, water, energy, transportation, health care, telecommunications, trade, and finance. The electronics sector produces a diversity of devices and equipment. Industries in this sector fall under U. SIC 35 describes industries that produce electronic computers, computer storage devices, computer terminals, computer peripheral equipment, calculating and accounting equipment, and office machines. SIC 36 describes industries that produce electron tubes, printed circuit boards, semiconductors and related devices, electronic capacitors, electronic coils and transformers, electronic connectors, and electronic components. Due to the great diversity of electronics products and the desire to provide an in-depth analysis, this chapter will focus on those metrics used in the manufacture of semiconductor devices and consumer electronics products.

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The use of computerized systems within the food processing industry regulated by the Food and Drug Administration FDA continues to increase. The use of computerized system technology is expected to continue to grow in the food industry as the cost of components decrease, as components are continually improved to withstand the rigors of the food processing environment, and as food companies continue to update production facilities, equipment and manufacturing processes in an attempt to produce high quality, high value products. New process design will strive to achieve safe quality products, while at the same time reducing production time and cost. The use of computerized control systems in the production of food products lends itself to fulfilling those goals.

Electronics Equipment List. Unwanted electronic devices should be reused or recycled.

The function of security equipment is to prevent the entry of unauthorized persons into protected spaces, to keep out undesired objects and substances, and to sound warnings when dangers threaten a person, family, or larger group. The purposes served are simple; in the modern situation the methods used to achieve them have become complex. Once we pass beyond structures—fences, walls, doors, barred windows, and locks—we need electric power to work the devices and to signal when they are activated. Over time, simple alarms have evolved into hi-tech machines embedded in complex systems.

Computer Hardware Engineers

In fact, calculation underlies many activities that are not normally thought of as mathematical. Walking across a room, for instance, requires many complex, albeit subconscious, calculations. Computers, too, have proved capable of solving a vast array of problems, from balancing a checkbook to even—in the form of guidance systems for robots—walking across a room. Before the true power of computing could be realized, therefore, the naive view of calculation had to be overcome.

SEE VIDEO BY TOPIC: peripherals explained for kids

What They Do : Computer hardware engineers research, design, develop, and test computer systems and components. Work Environment : Computer hardware engineers usually work in research laboratories that build and test various types of computer models. Most work in computer systems design services and in manufacturing. Job Outlook : Employment of computer hardware engineers is projected to grow 6 percent over the next ten years, about as fast as the average for all occupations. A limited number of engineers will be needed to meet the demand for new computer hardware because more technological innovation takes place with software than with hardware. Related Careers : Explore occupations that share similar duties, skills, interests, education, or training with the occupation covered in the profile.

History of computing hardware

A computer is a machine that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming. Modern computers have the ability to follow generalized sets of operations, called programs. These programs enable computers to perform an extremely wide range of tasks. A "complete" computer including the hardware , the operating system main software , and peripheral equipment required and used for "full" operation can be referred to as a computer system. This term may as well be used for a group of computers that are connected and work together, in particular a computer network or computer cluster. Computers are used as control systems for a wide variety of industrial and consumer devices. This includes simple special purpose devices like microwave ovens and remote controls , factory devices such as industrial robots and computer-aided design , and also general purpose devices like personal computers and mobile devices such as smartphones. The Internet is run on computers and it connects hundreds of millions of other computers and their users.

Computer Peripheral Manufacturing Industry in the US - Market Research Report industry includes manufacturers of peripheral equipment for computers such Dell Inc., HP Inc., Seagate Technology PLC and Western Digital bestamla.comg: complexes ‎electronic.

We use cookies to ensure that we give you the best experience on our website. By continuing to visit this site without changing your settings, you are accepting our use of cookies. The industry is exposed to the following threats and opportunities:. IBISWorld reports on thousands of industries around the world. Our clients rely on our information and data to stay up-to-date on industry trends across all industries.

U.S. Food and Drug Administration

The history of computing hardware covers the developments from early simple devices to aid calculation to modern day computers. Before the 20th century, most calculations were done by humans. Early mechanical tools to help humans with digital calculations, like the abacus , were called "calculating machines", called by proprietary names, or referred to as calculators. The machine operator was called the computer.

The Mechanical and Electrical Engineering Technology Department has several programs that prepare graduates to join the workforce as successful technical and management professionals in a variety of industries, including electrical engineering technology, mechanical engineering technology, engineering science and computer engineering technology. Because the department maintains active contact with related industries and professional societies and works closely with them to assist graduates in exploring their profession and creating contacts for employment, graduate placement is excellent. Educational opportunities also occur through projects, competitions, and field trips in addition to memberships in several active professional society student chapters. To prepare graduates for immediate employment and continued educational opportunities through a quality technical and experience-based education.

Однако в списке было еще одно сообщение, которого он пока не видел и которое никогда не смог бы объяснить. Дрожащей рукой он дал команду вывести на экран последнее сообщение.

Колеса мотоцикла подпрыгнули, ударившись о бетонное ограждение, так что он едва сумел сохранить равновесие. Из-под колес взметнулся гравий. Мотоцикл начал подниматься по склону. Колеса неистово вращались на рыхлой земле. Маломощный двигатель отчаянно выл, стараясь одолеть подъем.

Откуда-то сверху накатывали приглушенные волны классической музыки. Бранденбургский концерт, - подумал Беккер.  - Номер четыре. Они со Сьюзан слушали этот концерт в прошлом году в университете в исполнении оркестра Академии Святого Мартина.

Ему вдруг страшно захотелось увидеть ее - сейчас .

Поссорились. На мгновение Беккер задумался. Потом изобразил смущенную улыбку. - Неужели это так заметно.

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  1. Brashakar

    Cannot be