16KB
Physical memory is how much total memory your computer actually has. Available memory is what memory you have that is not being used.
Technically cache memory is RAM, too. When most people say "RAM memory" they really mean "system memory."With that out of the way: The answer is cache is much, much faster than system memory, but also much, much smaller.
Erm, Start->My Computers.
Cache is a high-speed memory device that is placed between a microprocessor and a system memory. A Microprocessor usually can process data at a much faster rate than what the system memory can provide. If this disparity isn't handled, we will end up with a microprocessor that's idling most of the time, because it has to wait on main system memory to provide the (or cosnume) data. With a cache, which could operate at a speed near the processor to shuttle data back and forth between processor and memory. Cache memory relies on a concept in computer science called locality of reference. This concept stipulates that when the processor accesses a piece of data, it is highly likely that it will access data that are also in the same locale in memory. A cache subsystem will fetch the requested data and those around to anticpate the next processor request.
The space reserved for virtual memory varies on different computers. It depends on the operating system in use and how much system memory is available.
230 voltage is used by the microprocessor
3 mb
about 60-65 GB The 320 GB PS3 has 298 GB available
Pioneer AVIC-N5 In-Dash GPS Navigation System offers a USB Direct feature and a built in memory card slot for memory expansion.
A DMA (Direct Memory Access) controller is a device that can request control of the memory bus from the CPU, and then transfer data to or from memory without the support of the CPU. It is often used in high speed I/O, such as hard drives, because polled and interrupt modes incur too much overhead.
Assuming you have Windows 7, you go to the start menu at the very left corner, you go and right-click the "Computer" button on the right side, then you look under "Installed memory (RAM):" to see how much memory you have.