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Machical like Babbages Difference Engines 1 and 2 and then his steampunk analytical engine. Analogue Computers, Electronic Computers, Mainframe Computers, Super Computers, App…le Computers, Microsoft computers, Unix, Linux and solaris Computers , Atari, Amstrad, IBM, ZX Spectrum, Commadore 64, psion , Tablet computers, PDA's, Laptop Computers, Sony, Toshiba, HP, Packard Bell, AJP, Advent, Acer, Samsung, Netbooks, Ipad, iPod touch, and Iphone. And Servers are kind of a computers. (MORE)

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In Technology

Yes, the scientific calculator is an example of an embedded system. In fact, an electronic calculator was one of the first applications of an embedded microcontroller. I…t is considered an embedded system because in addition to calculating answers, it is also handling low level functions such as input from the keypad and output to the LCD screen. (MORE)

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In Computers

there are basically 6 OS windows Linux dos mactonish apple symbian that i know even though there lots of version availableVMS Ms Dos Ms- windows series unix Linux …series Mac Os IBM OS/2 Warp AmigaOS[30] GEM Symbian there are much more we don't know abt (MORE)

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In Computers

Computer software is a collection of programs which is placed in consumers computers. These consist of; programs include; data, writing tools, font functions, photo suites, ad…dress book, media player. Some of these you can choose when purchasing a new computer and some can be removed (but some cannot) In contrast to computer hardware which cannot be touched. If, you did computer wouldn't run properly. Application software this type is removable and can be added to a user's computer using a CD or online download. These can be purchased at any computer store like; Best Buys, Fry's, Office Max, Office Depot. There is hundreds of application software which include; photo editing, office, writing tools, education, banking, forms, business suites, virtual music, video games, computer games and much more. (MORE)

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In Technology

a calculator adds, subtracts, multiplies and divides numbers and numbers with decimals. it stores single numbers to memory, solves percentages, and square roots. a …scientific calculator does a little more than a calculator. it includes the Greek letter or the numeral pi, finds exponents, roots, plots data, contains the trigonometric symbols sin, cos, and tan, and the logarithmic symbols ln, log, X^10 and X^e (MORE)

In Visual Basic

If you are going to start coding in Visual Basic, or any other computer language, you will need to know the basics. One of the most basic things to understand is how a compute…r handles numbers. While there are many different computer number systems, and many types of data, in reality a computer will only understand binary. The other number systems are used to represent binary values in a way that human users can more easily understand and work with.It is important to understand that, no matter how a number is represented, the value of the number remains the same. For example, the number 10 will always be the same, no matter if it is represented in binary, decimal, or hexadecimal form. Computers only work in binary, which is a number system that uses only zeros and ones (0 and 1). Other number systems have been designed for the benefit of human users who will find it easier to read and type in formats other than binary. Knowing which number system is being used in a piece of code is important in order to avoid confusion.Binary is the number system that computers understand. It is base 2, which means it uses only 0 and 1 to represent any number. The binary representation of a number can sometimes be quite long, and it can be difficult to quickly determine what the number is. Binary counting works in the same way as decimal counting, but each digit caps at 1, meaning that when you increment a number by 1, a 1 digit is reset to 0 and the next number to the left is incremented instead. Here are the numbers 0 through 9 expressed in binary: 0000, 0001, 0010, 0011, 0100, 0101, 0111, 1000, 1001.Octal is a base 8 numbering system. This means it uses the values 0 through 7 to express any number. Working with octal numbers is useful when programming, as it is easier to convert base 8 to binary (base 2), than it is to convert decimal values to binary. Whenever a digit that is a 7 is incremented by 1, it resets to 0, and the next digit to the left is incremented by 1 instead. Octal produces shorter representations of longer numbers than binary. Here are the numbers 0 through 9 expressed in octal: 0, 1, 2, 3, 4, 5, 6, 7, 10, 11.Decimal is the numbering system that most people are fluent in. It is a base 10 numbering system, meaning that it uses the digits 0 through 9 to represent any number. Whenever a digit that is a 9 is incremented by 1, it resets to 0, and the next digit to the left is incremented by 1 instead. Decimal numbers are harder to convert into binary. However, it is an easy number system for human to understand as humans have 10 fingers, and most things are calculated in base 10.Hexadecimal is one of the most complex numbering systems to understand. It is base 16. As there are only 10 digits (0-9), hexadecimal also makes use of the letters A through F. F represents 15, so when an F digit is incremented by 1, it resets to 0, and the next number to the left is incremented instead. The numbers 0 through 16 in hexadecimal look like this: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F, 10.If you want to start programming, you will first need to learn the basics. One of the first things to learn is how computers handle numbers. There are several different number systems you will need to learn, including binary, octal, and hexadecimal. However, computers only understand binary, which is a number system that uses combinations of 0 and 1 to represent any number.It is important to understand that, no matter how a number is represented, the value of the number remains the same. For example, the number 10 will always be the same, no matter if it is represented in binary, decimal, or hexadecimal form. Computers only work in binary, which is a number system that uses only zeros and ones (0 and 1). (MORE)

In chemistry basics, you will probably be required to use a calculator for some of the calculations you will need to perform. Many students of chemistry have several calculato…rs for different uses. This provides them with the option of having a device that performs many functions, as opposed to a few. The following is a briefing of the four-function calculator and its possible use in chemistry.A four-function calculator completes the basic math functions. These are adding, subtracting, multiplying, and dividing. There are calculators of this type on nearly every technical device used today, such as cell phones and computers. Computer programs have a function that allows you to toggle between more advanced calculating systems and the basic ones.This type of calculator employs the use of a regular number keypad with symbol buttons for addition, subtraction, multiplication, division, and equals or total. It will also have a period for the decimal point. It does not have to be small because of its restricted nature. Some calculators of this type are made pocketsize or small enough to attach to a keychain. Others are large enough to sit on a desktop with large buttons for easier seeing and pressing.As it is simple and basic, this calculator can be easily used by someone who does not need additional buttons and functions to get answers to their math questions. It is easily found in any convenience, department, and even grocery store. Someone with very little knowledge in math can use this calculator without issue. In addition, they are inexpensive and can be purchased in a variety of sizes and quality.The fact that a four-function calculator performs the basic four functions of math can be a good and a bad thing. If you are in need of help with more detailed calculations, you will not be able to use this calculator. For simple parts of a longer equation that is written down, it will come in handy. However, for any type of chemistry or geometrical equations, you will need to find a more detailed calculator.The four-function calculator provides the four basic math functions. These are addition, subtraction, multiplication, and division. Many software programs and modern technological devices have them already installed. For simple math functions, or advanced functions broken down into simple ones, a four-function calculator can be used. Anything that cannot be broken down and requires additional functions would call for a scientific calculator.Calculating devices have been around for centuries. It was not until the 1960s that the first electronic calculator was sold in the United States. In the 1970s, calculating systems were built into the computer programs of the day. In the mid-1980's, nearly half the nation used hand-held calculators on a regular basis for their computing needs. This number is less than one percent of the nation now. (MORE)

In Products

Familiarity with heating system types is essential if you are a homeowner or are looking to construct a new home. Knowing what kind of heating system type works best in your h…ome helps you make the right choice when purchasing a new or replacement heating system. Additionally, understanding your heating system helps you save money when little things go wrong. Below are the most common types of heating systems for residential applications.Forced-air heating systems are by far the most common in residential homes. In a forced-air system, a gas or oil-powered furnace heats the air. A blower then pushes the heated air through a system of ductwork that runs under the floors of your house. Forced-air systems are extremely versatile because they allow you to filter, dehumidify and humidify your air, as well as add an air conditioning system to the existing ductwork.A traditional, or hydronic, radiant heat system works with hot water that circulates throughout pipes built into your house. These pipes usually run throughout the floors, but also run through walls and through freestanding radiators. A boiler that uses wood, gas, oil or electricity heats the water. There are also newer styles of radiant heat that warm your home through electric panels underneath the floor.Electric baseboard heating is among one of the most expensive options for a home, but it is still commonly in use. Each room in the house has one or more electric heating units along the floor. Each unit contains an electric heating element that has pipe around it and aluminum fins that transfer heat. The air in the unit heats up, rises to the top of the room and new, cold air moves into the baseboard heater for heating.While you do not see wood and pellet stoves in the city, they are extremely popular in rural areas. Wood or pellet stoves are either freestanding or built into the structure of your home. The operation of a wood or pellet stove is simple. You add biomass to the stove, such as wood or wood pellets, and light it on fire. Heat radiates off the stove and the fire itself, and the exhaust exits out of a chimney. Newer freestanding stoves also include catalytic converters to cut down on emissions and blowers that distribute heat around your home.Whether you are looking for a new heating system or just want to know how the one you own operates, understanding heating system types comes in handy. Each type of heating system has advantages and disadvantages, but all of these types are perfectly acceptable for residential use.Solar and geothermal heating systems require special design features that affect their efficiency. Some homes benefit from retrofit equipment, but major renovations often make them cost-prohibitive. (MORE)

In Products

If you live in a cold climate, heating your home in the winter is an important affair. Thankfully, over the years, a variety of heating systems and types have been developed f…or the consumer market. All of the different systems have their own pros and cons, and you should carefully consider all of the available options before deciding which heating system to install. The most common type of home heating, your furnace or heat pump provides forced air heating. Typically powered from a unit in the basement, attic or crawlspace, a forced air unit heats a volume of air before blowing it into the remainder of your home. While not the most efficient means of heating your home, forced air heating provides you with the greatest comfort.Radiant heat panels are mounted on the walls or ceiling of your home. When turned on, they create infrared radiation that warm objects in the device's line of sight. While a very efficient method of heating a small area or object, radiant heating does not actually warm the air itself. Oil or water radiators have long been used in apartments and commercial buildings. Essentially, your oil or water filled radiator heats up, heats the air around it, and establishes a convection current which slowly and evenly warms the room. Unfortunately, these heaters can be very hot to the touch and have generally fallen out of favor. Burning wood for heat is the oldest method known to man, and is still used today in the northern latitudes. If you have a wood burning stove, a fire is created in a steel or iron oven, and the resulting hot air is piped throughout the house. Though labor intensive to operate, wood burning stoves are an excellent choice if you live in a in very cold climate. Think about your local climate and lifestyle before choosing to install a new heating system or replace your current heating system. Think about the long term costs, the amount of effort you have to put in to maintaining the system and, most importantly, the amount of heat generated by each of the various heating systems. Heating your home is one of the most expensive parts of home ownership, so it makes sense to choose the best fit for your home. When looking for different types of heating systems, consider how much costs for the heating system to be professionally installed. (MORE)

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A graphing calculator is a scientific calculator with a graphing display window. Otherwise, there are no limits to the type of calculations that can be made on either of them.

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In Technology

Raise this number in power of 1/3. For example, to find the cube root of 27, 27^(1/3) = 3. Don't forget to put the parentheses, because if you don't do this, you can fin…d a wrong answer. Without parentheses, as 27^1/3, the calculator will show you 9 as an answer, and this is a wrong answer. Try it. (MORE)

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PATA data cables are available in two different types. The types are distinguished by the number of conductors. Which two types are available? (Choose two.)

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In Technology

Calculators help in making technical math problems easy. The three most common types of calculators are handheld calculators, printing calculators, and scientific calculat…ors. (MORE)

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It is because the angles in Excel are measured in radians, not degrees. Often the default setting for measuring angles - even on scientific calculators - is the elementary mat…hematical degrees rather than the more advanced mathematicians' radians. 180 degrees = pi radians.So Excel gives ATAN(1) = 0.7854 radians which is 0.7854*180/pi = 45 degrees.Note that all trig functions in Excel are based on angles measured in Radians NOT degrees. (MORE)