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    • How LED Lights Work

      How LED Lights Work

      LEDs (Light Emitting Diodes) are now found on almost every electronic device including MP3 players, DVD players, TVs, clock radios, and computers. LEDs have been popular for decades. However, today they are cheaper, brighter and come in more colors than ever before. While the incandescent light bulb has been the light of choice for at

    • SDIO (Secure Digital Input/Output)

      SDIO (Secure Digital Input/Output)

      The Secure Digital Input/Output card standard expands upon the original Secure Digital card standard, extending the functionality of many devices with SD card slots. The Secure Digital Input/Output card standard is based on the Secure Digital standard. The SD flash memory format was designed purely for portable storage; many cell phones, cameras, GPS receivers and

    • How Do Quad Core Processors Work?

      How Do Quad Core Processors Work?

      A quad core processor is a piece of hardware made up of three components. The first is the core, which in this case, there are four of them. Then these are bundled up and fit inside a die. The die is the silver tab you might see on your processor. Finally, this is added to

    • Blu-Ray

      Blu-Ray

      Blu-ray is an optical storage format developed by Sony and Phillips. It was created to store large amounts of high definition video and sound. Blu-ray’s name came from the type of laser it uses to read and write data. The laser is a hue of blue-violet. A blue-violet laser has a shorter wavelength than the

    • The Difference between Bit Rate and Baud Rate

      The Difference between Bit Rate and Baud Rate

      The difference between Bit and Baud rate is complicated and intertwining. Both are dependent and inter-related. But the simplest explanation is that a Bit Rate is how many data bits are transmitted per second. A baud Rate is the number of times per second a signal in a communications channel changes. Bit rates measure the

    • How to Burn an ISO Image

      How to Burn an ISO Image

      An ISO file contains not only files and folders but also the disk file system metadata. This includes boot code, structures, and attributes. This is why burning an ISO image is different from writing files from a CD or DVD. To burn an ISO image, you need a CD or DVD burning program that can

    • RISC vs. CISC

      RISC vs. CISC

      CPUs process data using instructions stored in the computer memory or RAM. The RAM is a temporary storage area that makes information and instructions available to the microprocessor, which does not have to use this information until required. The two processor classifications are the Reduced Instruction Set Computer (RISC) and the Complex Instruction Set Computer

    • What is a PDA?

      What is a PDA?

      A PDA (Personal Digital Assistant) is a computer that fits in one’s hand. These small computers are sometimes called palmtops and are a great way to store telephone numbers and email addresses, access the Internet, make calculations, keep a digital calendar, and play games. Today’s PDA is very small, fits comfortably in a pocket, and

    • Who Invented the Microphone?

      Who Invented the Microphone?

      A microphone is a device that converts acoustic power into electric power. Both the acoustic power and the electric power have similar wave characteristics that convert sound waves into electric voltages that eventually convert back into sound waves through speakers. Microphone were used with the first telephones, and then with radio transmitters soon after. Sir

    • How to Upgrade a Motherboard

      How to Upgrade a Motherboard

      Motherboards hold all the pieces that make up your computer. It supplies all the wiring and connections needed to make your computer run. However, you may feel that need to upgrade or replace your motherboard. Before anything can be done, you need to be absolutely sure that you have to upgrade your motherboard. As a

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