For example a 486 processor with a clock speed of 100 MHz is not as powerful as a Pentium processor of 75 Mhz. This is because the Pentium processor has a greater MIPS rating as compared to the 486. Some of the leading processor manufacturers are Intel with its Pentium Series, AMD and Motorola. All your software as well as the files you create resides on your hard disk. A floppy drive allows you to copy data and retrieve data from compact floppy diskettes.
Floppy diskettes have a low capacity and are only useful for smaller files.
RAM RAM stands for Random Access Memory. When you close that application, the data gets written back to the hard disk. Input devices Input devices allow you to provide commands to the computer. Common input devices include the keyboard and the mouse. Specialised input devices include digitisers, joy sticks and game pads.