100mhz, 133mhz, 166mhz, etc. Processor Type Intel's Pentium is industry standard. Competitors include Cyrix and AMD's 6x86 series. Cache Temporary holding area where the system stores frequently accessed information. This allows the processor to operate faster.
Modems can be an internal component, or can be installed externally.
All documents, program instructions, data, configuration information and operating system are stored on the hard drive. Unlike memory, information contained on the hard drive remains even after the computer is turned off, and must be manually deleted. Hard drives are measured by size and speed. Unless you are a serious power user, you should only be concerned with the size of your hard drive. A Gigabyte is equal to 1,000 megabytes.