A 486DX2's external clock speed is half of the internal clock speed. Protected mode is a processor feature that allows 2 or more programs run without interfearing with one-another. Single Edge Cartridge design. Core and L2 Cache in cartridge, designed for single and dual processor computers. Maintains its data with the use of a battery for periods when the machine is powered down.
RAM contains any active application, including the operating system.
Conventional memory is the first 640K of memory. Upper memory is the memory between 640K and 1024K. Used to load DOS drivers to allow applications more conventional memory Extended memory is the memory above 1024K. Expanded memory is addressed in pages of 16K. The suspend mode of portables often causes problems with the expanded memory manager. Drives When transfering data, copying data from one drive to another is the best method of data protection. A cluster is a group of sectors. Sectors are aligned in tracks.