Computers & Hardware

A:

The five elements of a computer system are datapath, control, memory, input and output. All five of these elements work together to allow the computer to function properly.

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  • What Are the Advantages and Disadvantages of Computers in Education?

    Q: What Are the Advantages and Disadvantages of Computers in Education?

    A: Advantages of using computers in education include increased access to information on the Internet and enhanced classroom experiences through the incorporation of visual media. Some disadvantages include the additional cost of purchasing computers, high infrastructure costs such as electricity, and exposure to negative or inappropriate information on social sites.
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  • What Does USB Stand for in Terms of Computer Hardware?

    Q: What Does USB Stand for in Terms of Computer Hardware?

    A: USB stands for Universal Serial Bus. It is an interface for connecting peripherals to computers. Keyboards, printers and portable media players are some examples of peripherals.
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  • What Is the Difference Between an Analog and a Digital Computer?

    Q: What Is the Difference Between an Analog and a Digital Computer?

    A: The basic difference between analog and digital computers lies in the different approaches they take to handling data. Analog computers are able to deal with continuously varying inputs for complex phenomena such as voltage changes and temperature fluctuations. Digital computers must have their inputs reduced to a simple binary language in order to accurately model the world.
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  • How Does a Computer Process Data?

    Q: How Does a Computer Process Data?

    A: Before data is processed by a computer, it has to be fed into the computer using a keyboard, mouse or another input device. The central processing unit (CPU) analyzes the raw data and processes it into sensible information. The CPU receives instructions from the user and issues prompts accordingly. After the data is processed, it is translated to output formats that are easily understandable by the user.
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  • Where Can You Sell an Old Laptop?

    Q: Where Can You Sell an Old Laptop?

    A: Used laptops and personal computers can be sold locally at garage sales, flea markets, consignment and pawn shops and through classified ads in local newspapers. Used laptops and PCs can also be sold on the Internet through retail sites that allow private sales, including Amazon, eBay and Bonanza.
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  • Are Laptops and Notebooks the Same Thing?

    Q: Are Laptops and Notebooks the Same Thing?

    A: Both laptops and notebooks are small, mobile computing devices. The main difference between a laptop and a notebook is the size of the device. Other differences are found in features such as battery life and storage.
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  • What Are Examples of Input Devices?

    Q: What Are Examples of Input Devices?

    A: Input devices allow users to enter data into the computer. Some of the main input devices are the keyboard, mouse, webcam, touch screen, optical mark reader, pen, stylus and microphone.
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  • What Are Examples of Modern Technology?

    Q: What Are Examples of Modern Technology?

    A: People are surrounded by examples of modern technology every day, from cellphones to the diagnostic equipment physicians use when patients visit their offices and the software children use both in the classroom and for their homework. Modern technology constantly changes, and for the technology lover, there's always something new to discover.
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  • What Is the Importance of Computers in Our Daily Lives?

    Q: What Is the Importance of Computers in Our Daily Lives?

    A: Computers are used daily in schools, hospitals, banks, government offices and many other businesses. In addition, individuals use computers daily to communicate by means of social media.
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  • What Are Examples of Hardware?

    Q: What Are Examples of Hardware?

    A: Examples of computer hardware include a keyboard, mouse and monitor. Computer hardware is any physical equipment that is used to make up your computer. All of the individual equipment inside of a computer is also hardware, including the hard disk, motherboard, memory and any disk drives.
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  • What Are Strategic Information Systems?

    Q: What Are Strategic Information Systems?

    A: Strategic information systems are the information systems that companies use to help achieve their goals and become more efficient. Businesses use these systems to achieve a competitive advantage on their competitors as they seek to provide a good or service in a way that is better than that of their competition. For example, a strategic information system can be used to provide a product at a lower cost than competing organizations.
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  • What Are Examples of Computer Hardware?

    Q: What Are Examples of Computer Hardware?

    A: Examples of computer hardware include central processing units, motherboards, random access memory, video cards, power supplies, hard drives, optical drives, keyboards, monitors, mice and speakers. Computer hardware is all the physical components of a computer as opposed to the digital components, such as software.
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  • Why Does My Mouse Keep Freezing?

    Q: Why Does My Mouse Keep Freezing?

    A: A computer mouse may freeze or become unresponsive because of accumulated dirt, use of the wrong settings or a bad surface. An incompatible driver, a loose cable or interference from other input devices may also cause the computer mouse to function abnormally.
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  • What Is the Difference Between Mac OS X Lion Vs. OS X Mountain Lion?

    Q: What Is the Difference Between Mac OS X Lion Vs. OS X Mountain Lion?

    A: CNET explains that Macintosh OS X Mountain Lion was a minor upgrade to the Lion operating system. It improved applications and provided useful new features for file sharing and social connectivity. Apple computer’s Mountain Lion was the ninth major operating system released for Macintosh computers.
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  • Where Is the Motherboard Located?

    Q: Where Is the Motherboard Located?

    A: The motherboard of a computer is typically located in the bottom of the computer housing. The motherboard is a piece of plastic or fiberglass that holds various circuits, switches and electronic components. Among other functions, the motherboard allocates memory and processor capacity to various functions of the computer. It also connects to various hardware, such as sound cards and network cards, to allow them to communicate.
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  • What Is the Purpose of a Motherboard?

    Q: What Is the Purpose of a Motherboard?

    A: A motherboard provides the connection between all other computer parts. Processors are attached directly to the motherboard, and the RAM, peripherals and storage devices are attached as well. Motherboards themselves, however, perform no computation and do not store information.
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  • How Do Remote Controlled Toys Work?

    Q: How Do Remote Controlled Toys Work?

    A: Remote controlled toys are typically controlled by a transmitter, which sends a signal over a frequency to the receiver that sits in the toy being controlled. The transmitter has a power source, usually a battery, which powers the transmitter.
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  • What Kind of Laptop Do I Need for College?

    Q: What Kind of Laptop Do I Need for College?

    A: The best laptop for college depends on the individual's needs. Sometimes a certain kind of laptop is required for a specific major. Other times, a student is simply more comfortable with a particular brand. According to the Laptop Mag, the best college laptop in general is the MacBook Pro.
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  • What Are the Four Main Components in a Computer?

    Q: What Are the Four Main Components in a Computer?

    A: The four main components in a computer are the central processing unit, the random access memory, the motherboard and the hard drive. These components are responsible for a computer's primary functions, including processing software instructions, storing programs and transferring information.
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  • Where Do Deleted History Items From a Computer Go To?

    Q: Where Do Deleted History Items From a Computer Go To?

    A: Deleted history items from a computer go into the computer's cache, or the Temporary Internet Files folder. Items in the cache may include audio, video, pictures and websites. The cache also contains cookies picked up from various websites, which help load those sites faster in the future; when a person empties the Temporary Internet Files folder, the computer does not dump cookies unless specified to do so.
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  • When Was the First Computer Invented?

    Q: When Was the First Computer Invented?

    A: Charles Babbage invented the first mechanical computer, called the Difference Engine, in 1821 and completed it in 1832. The Difference Engine could perform simple calculations and compile mathematical tables. Babbage later conceived the Analytical Engine, a device that could perform any calculation, but was unable to construct a prototype during his lifetime.
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