Depends on the Computer.
For example:
Apple Computers (and all computers for that matter) use many kinds of RAM and have many different clock speeds, so it depends on the computer.
Generally Mac and PC types of RAM are incompatible, so your best bet would be in shopping for RAM advertised as compatible with your Apple computer.
Give two uses of RAM in a computer.
Apple launched the Macintosh computer for home use in 1984.
Yes. A mac still has all the basic components of a computer.
The original Apple II came with four Kilobytes of RAM which could be expanded to forty eight kilobytes of RAM. A typical computer today will come with two Gigabytes of RAM which is more than two million kilobytes.
access to ram is a lot faster for your computer
no
A computer uses RAM as the current (temporary) computing space. It is the place where programs run, and is cleared when the computer turns off.
RAM stands for Random Access Memory. It is a form of computer data storage, and stores all of your documents and files on the computer.
just use a camera
For Windows computers, the System settings in the Control Panel should display the amount of RAM currently on your computer, as will the Properties menu brought up by right-clicking My Computer. For Macs, the "About The Mac" window, chosen from the Apple menu, should display the amount of RAM you have on your computer.
Most laptops allow you to replace the ram chips with better ones. There are videos on youtube of people replacing ram in laptops, but posting links on this site is not permitted. The exact action depends on laptop and some laptops do not allow that (ram welded to motherboard, all new apple laptops do that for example)