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In computer hardware, what is the word "modem" short for?

Modems are generally sorted according to their throughput ? that is, how fast they can send data. This rate is expressed in bits per second (bps) or bytes per second (Bps). The first modems were introduced commercially around 1960 under the marketing name Data Phone and could transmit at up to 2,400 bps.

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How do cordless headphones work?

After the signal is converted back into audio information, the headphone speakers play the information into the person's ears just like a set of headphones with a cord. The radio transmitter can be plugged into any standard-size headphone jack in an audio device, such as a computer, television, stereo speaker, smartphone or any other electronic device. The radio receiver is usually built into the base of the headphones. Some wireless headphones work by using infrared signals, instead of radio waves, to transfer the audio information. Devices using Bluetooth to transfer the data use radio ..

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What are some ways to block spam emails?

In Yahoo Mail, mark and block spam emails by clicking the Spam button. This moves the emails to the Spam folder and reports the senders to Yahoo. To block spam emails in the Web version of Gmail, select the emails and click the button that is shaped like an exclamation mark. To block spam on an Android mobile device, open the spam email and tap the menu that looks like three vertical dots at the top-right, and tap Report Spam.

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How do you use the GroupMe mobile app?

GroupMe is a free messaging app that lets users share photos, videos and locations and use custom emojis, memes and GIFs. Any person, whether registered or not, can participate in group conversations. The group creator only has to supply a person's phone number or email address to send an invitation. Non-registered users can reply and receive responses via SMS, albeit with limited features and experience.\nFor convenience, GroupMe lets users view all shared photos and videos in a gallery layout. Every message has a heart button that users can tap to show support and interest. Control noti..

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What is C scope?

The Cscope tool offers many options, such as ignoring letter case, using only ASCII characters when cross-referencing and the option to not compress data. When using this tool, users notice that it will build a cross-reference list of possible code or other information. Then it will rebuild that same list so that the user can cross-reference it. When the cross-reference list is built, the data is copied so that cross-referencing is faster and easier.\nCscope looks for variables, preprocessor symbols, function calls, macros and other functions in the directories specified by the user. Cscope wo..

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How do you create a clipping mask in Adobe Illustrator?

Start the clipping mask processFrom the drop down menu, select Object, followed by Clipping Mask and then Make. You can also use several shortcuts by pressing Command and 7 on your keyboard, clicking Make/Release Clipping Mask on the Layer Panel or highlighting all objects and right-clicking to select Make Clipping Mask.Arrange the objectsMove and align the clipping path object over the desired area of the background image.Make the maskWhen you have everything aligned to your liking, click on the drop menu Object, then select Clipping Mask, followed by Make. Everything outside of the clipping ..

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What are some online help resources for high school chemistry?

The American Association of Chemistry Teachers website covers high school topics such as atomic structures, chemistry basics, electrochemistry and kinetics. Each topic breaks down into lessons, including activities, labs, demonstrations and simulations.\nChemtutor.com is designed for high school and college students who need help with the fundamentals. Some of the topics covered on this website include elements, the periodic table, states of matter and reactions.

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How do you unhide columns in Excel?

Open a worksheetFrom the Start menu or Applications folder, open Microsoft Excel, and then select the worksheet you want to edit.Select the hidden cellsTo show hidden columns, highlight the column that is either to the left or right of the column you want to unhide. To select the column, click on the column heading, or click on a cell in the column, and drag the mouse to the last cell. To show the first column, type "A1" into the Name box by the formula bar.Navigate to the formatting optionsGo to the Home tab, and click on Format, which is located in the Cells group.Make hidden columns visible..

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Should you steal wireless Internet?

A man was arrested for using another person's wireless network in 2005 in Florida, one of the first cases of such an offense being prosecuted, and an Illinois man was arrested and fined $250 in 2006 for using an unsecured network without permission. A man from Michigan who used a cafe's Wi-Fi connection from his parked car was charged in 2008 with "fraudulent access."\nGraham Cluley, a consultant for computer security company Sophos, says stealing Internet access may feel like a victimless crime, but it deprives Internet service providers of revenue. Bangeman considers this "sillines..

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How do schools use DataDirector?

DataDirector is a Web-based tool that allows schools to cover four areas important to day-to-day operations: creation, analysis, organization and management. Schools can use DataDirector to create various types of assessments, such as answer sheet, item bank and summary assessments. By using the already existing questions from textbooks and tests created by publishers or teachers, it’s possible to create a bubble sheet containing questions that are aligned to state, national or Common Core standards.\nThrough DataDirector, schools can create custom reports or use prebuilt templates that cont..

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