How to Buy RAM for a MacBook

Assess the applications and programs that you are going to run and the amount of RAM required for it. Applications having graphics and multimedia require more RAM and, without it, can often reduce the speed of your machine.
Check the existing configuration of RAM on your MacBook. For this, go to the 'Apple' menu and select 'About This Mac' to get the memory report. Also refer to the pie chart that is provided. Remember, yellow and red indicate the need to increase the amount of RAM.
Discover the maximum RAM configuration that your MacBook can support. For example, a MacBook 1.83 GHz has a fixed memory of 512 MB size and can support up to 2 GB of RAM. Similarly, a MacBook of 2 GHz has a fixed memory of 1 GB size and can support RAM up to a maximum of 2 GB.
Log on to the Apple Web site and note the specifications of MacBook. Determine your exact RAM requirement. Find out about the need to buy RAM through the OS X's Activity Monitor.
Contact Apple or other dealers that sell RAM for MacBook. It is always recommended to buy RAM from the manufacturer of MacBook so it won't cause kernel problems.
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How to Add Macbook Memory

Shut down and unplug your MacBook.
Open the computer case by loosening and removing the eight small screws around the edge of the computer back.
Discharge any static electricity in your body by touching a piece of metal. Static charges can damage sensitive components inside your MacBook.
Locate the memory card(s) toward the right side of the back of the computer.
Remove memory card by pressing the levers on either side of the memory card(s).
Install new memory card by inserting it at an angle into the memory slot the same way you removed the old card. Apply steady, even pressure and do not force the device into place. Repeat the same process for the second memory slot.
Close the computer case by snapping the bottom plate into the same position it was when you removed it. Replace the screws and tighten them firmly.
Plug in and start up your MacBook. It is ready to use with its new memory.
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How to Delete Memory Cache on Safari (8 Steps)

Open up the Safari Web browser.
Click on the heading 'Safari' and choose 'Empty Cache' from the pull down menu. It will then ask you if you really want to delete the cache.
Click on 'Empty' if you are ready to clear Safari's memory cache.
Close and reopen the Safari Web browser.
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How to Decide Between the Kindle and iPad (4 Steps)

Consider what you want to do with your device. If all you want to do with your device is to read newspapers, magazines and ebooks, then the Kindle is probably the right choice. If you want additional functionality beyond an e-reader, then you might consider springing a few hundred dollars extra for the iPad.
Decide how much memory you need in your device. The iPad has much more room to store data, if you plan to use the device for more than just reading.
Decide if you want a color or black and white screen. If you are only going to read on the device, black and white may be all you need. The iPad has a color screen, the Kindle has only black and white.
Review additional costs. The Kindle requires no additional service charges. The only additional fees are for downloads. The iPad can work in most locations if you upgrade to a data service plan with AT&T.
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How to Find the Remaining Memory on a Mac

Click the 'Applications' folder in the Dock of your Mac, and then click 'Utilities'.
Click 'Activity Monitor'. The Activity Monitor window appears.
Click the 'System Memory' tab at the bottom of the Activity Monitor window. Your Mac's system memory usage statistics are displayed below the 'System Memory' tab. The remaining amount of memory is listed in the 'Free' field.
Right-click the 'Activity Monitor' icon in the Dock, then click 'Dock Icon', and then click 'Show Memory Usage' if you want the Activity Monitor's Dock icon to display a graphical representation in pie chart form of your Mac's system memory usage.
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How to Check RAM Memory on a MacBook (5 Steps)

Click on the Apple menu from the MacBook desktop.
Scroll down to 'About This Mac,' then click.
Read the 'About This Mac' screen that pops up. Your RAM is listed next to 'Memory' under the 'Processor' information, such as '4 GB 667 MHz DDR2 SDRAM.'
Click on the 'More Info' button at the bottom of the window. Note the 'Contents' pane to the left side of the window. Click on the drill-down arrow next to 'Hardware.' Click on 'Memory.' The upper pane on the right lists the memory slots, size, type and speed of your RAM. The lower pane on the right lists the size, type, speed, status, manufacturer, part number and serial number of your RAM.
Close the window to exit.
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