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What is the purpose of an external hard drive?

External hard drives are available in various sizes and shapes. They are mainly used to store different files, including videos, audio files, word documents, photos and any other data. These hard drives increase convenience for those who wish to move from one place to another without leaving any data behind. They help increase the speeds of computers and are easy to connect through cables or wireless options.

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What is the way to search for people from the United Kingdom only on Facebook?

To perform a people search in Facebook, a user would need to visit the Find Friends page while logged into Facebook. From there, a person can filter the search by hometown, city, school and other parameters. To search for a person in the United Kingdom using this method, a more precise area would need to be known, as in John Smith, Liverpool, England.

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What are the uses of logic gates?

Logic gates are used to build both digital and complex integrated circuits. There are seven types of gates:NOT or inverter gates: single bit input and single bit outputAND gates: have at least two bits of input and work by a multiplication functionOR gates: have at least two bits input and work by an addition functionNAND gates: an AND gate with inverter attachedNOR gates: an OR gate with inverter attachedXOR gates: represents an exclusive OR gateXNOR gates: represents an exclusive NOR gate with an inverted output

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How does QI wireless charging work?

The Qi wireless charging method is generally restricted to very short distances; typically, the distances for effective charging are measured in centimeters. Newer methods seek to increase effective distances up to several dozen feet using more advanced methods. In general, Qi wireless charging uses fairly low wattage transmissions in order to maintain safe operations.\nQi wireless charging typically works through the use of a “pad” or horizontal plane that devices can rest on to be charged. This method promises much more convenient charging than the traditional wall outlet methods, because us..

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What are some good choices for a kid's wireless headset?

It is risky for a child to wear standard headphones because of the damage such headphones may cause to the ears. Good kids' headphones have various safety features to control the level and quality of sound. The recommended level of sound for a human being is up to 80 decibels, and even lower for a child. Apart from good sound, kids' headphones should be colorful and stylish. One can choose from a wide range of designs to suit the tastes and preferences of a kid.

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How do you remove the Zeus Trojan virus?

To remove the Zeus Trojan virus by using an antivirus scan, first research the best antivirus program available. Download the antivirus to the computer and let it scan the computer completely for the Zeus Trojan virus that secretly infects the computer. On detecting the virus, the antivirus software removes it. Restart the computer after the removal of the virus.\nTo manually remove the Zeus Trojan virus, first start the computer in safe mode by holding down the F8 key until the booting options appear and then choosing the safe mode startup. Allow the system to boot.\nNext, kill all the proces..

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What might prevent Windows XP system restore from working?

System restore usually takes up between 200 and 400 megabytes of disk space on personal computers. Both viruses and anti-virus programs may prevent changes to system files and settings. Start the computer in safe mode to block viruses and other programs interfering with the system restore. Running an anti-malware program may also block malicious programs interfering with the process. If the problem persists, eliminate start-up programs.

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How do you play "Funky Town" on the phone?

Check your keypadCheck if your keypad makes different tones when pressing each number. Each number should make a different tone. The tones for phone keypads are designed to be dual tones on multiple frequencies. Each number plays a tone on a lower frequency and an upper frequency when pressed. For example, when you press number one, the tone is a 697 Hertz signal with a 1209 Hertz signal. If your phone does not make these sounds, you cannot play music on the keypad.Press the correct number sequencePress the number sequence 55425 25875 to play the song "Funky Town" with your phone's keypad..

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What are examples of common Excel formulas?

Excel users can manually enter formulas or insert functions, which are simply built-in formulas. The Insert Function button is usually under the Formulas tab. There are various types of functions, such as financial functions, logical functions, math functions and statistical functions. An example of a math functions is AVERAGE, which calculates the average of values in a specified range of cells. Some functions are only available in recent versions of Microsoft Excel.\nIF, COUNTIF, SUMIF, ROUND and TODAY are more examples of commonly used Excel functions. IF tests for a true or false condition..

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What is Rational Rose?

The Rational Rose software was first developed by Rational Software and released in 1994. As of October 2014, the latest stable release of the software program is version 7.0. The program can be used on three operating systems: Windows, Linux and UNIX. Rational Rose is sold by IBM, and it is compatible for operation on Windows Vista and Visual Studio 2005.

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