How to Check the Running Applications on a MacBook

View the Dock for any application icons with indicator lights beneath them. This indicates a currently running application. Click the icon to bring it in front of all other applications.
Press 'Command-Option-Escape' to activate the Force Quit Applications dialog box. This window shows all the currently running applications, and it gives you a way to close an application that has stopped responding by selecting the application and clicking the 'Force Quit' button.
Click the 'Go' menu from the Apple menu bar, select 'Utilities' and choose 'Activity Monitor' to launch the application. Look in the Process Name field in the default CPU tab to view a list of all currently active applications and processes. You can click the various tabs to sort the items by CPU usage, memory usage and other attributes.
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How to Restore a Mac to an Earlier Date (5 Steps)

Connect your external hard drive to your computer by inserting the USB cable into the USB port.
Insert the Mac OS X Installation CD into your optical drive, and double-click the 'Install Mac OS X' icon.
Click 'Utilities' at the top of the screen once your computer opens the Installer window. Select 'Restore System from Backup' from the drop-down menu.
Click 'Continue' to proceed, and click the 'Time Machine Backup' volume icon.
Select the backup you want to use to restore your system, and click 'Next.' The backup restoration takes up to 45 minutes to complete, depending on the size of your hard drive. Click 'Restart' to restart your computer.
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How to Scroll Within the Frame on an iPad (4 Steps)

Launch the iPad's Web browser or frame-equipped application by tapping its icon on the home screen.
Navigate to the Web page or section of the app that uses frames, either by tapping the relevant buttons or by entering a URL in the Web browser's address bar.
Center the frame in the middle of the iPad's display by moving the whole page around using a single finger.
Place two fingers on top of the content inside the frame that you want to scroll, and move them up and down, or left and right, depending on which way you want to scroll. Using two fingers to scroll rather than one informs the iPad that you want to scroll inside the frame rather than moving the entire page.
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How to Increase the Memory for a Macintosh Application

Single-click the icon for the application to which you want to allocate more memory. Be sure to exit the application first.
From the File menu choose Get Info, or press the keys Command-I.
In OS 8.5 and later versions, select Memory from the Show menu in the box that appears.
Type a new value into the Preferred Size box, perhaps 1.5 or 2 times the suggested size shown. You can decrease the memory in the same way.
Click the close box. Your change will take effect the next time you launch the application.
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How to Zoom on iBooks iPads (5 Steps)

Tap the iBooks icon on your iPad device.
Select the book you want to read by tapping the book. The book will automatically open to its current page.
Touch anywhere on the iBook's page with two fingers.
Slide your fingers apart while continuing to touch the iBook's page. As you slide your fingers apart, your iPad will zoom in to the page.
Remove your fingers from the iPad's screen once you have reached the desired zoom level.
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How to Download Movies From My Hard Drive to iTunes

Start iTunes, and click 'File' on the program's menu.
Click 'Add to Library,' and click the movie's filename in the Open menu.
Click 'Add' or 'Choose' to import the movie.
Click 'Movies' in the iTunes' side menu, and select the imported movie.
Click 'Advanced' on the iTunes' menu and click 'Create iPhone or iPod Version' or 'Create iPad or Apple TV Version.'
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How to Hook Up an External Antenna to MacBook

Purchase a wireless USB adapter with an external antenna (see Resources section for suggestions).
Plug your wireless USB adapter into your MacBook's USB port.
Insert the included CD into your CD drive to install the drivers to run your wireless USB adapter (follow manufacturer's instructions).
Go to 'System Preferences - Network' and ensure that your wireless adapter is listed under the available network connections.
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