Operating system is a computer program managaing all other programs running on that machine, providing API's, managing memory and processes, etc. By type:Multi-tasking(capable of running many...
Your data busses sends information from component to component i.e. your FSB (front side bus)/system bus/internal bus communicates between your CPU and RAM, the faster it runs, the faster information...
This is dependent on which operating system you have. For example, Win95 uses FAT or FAT16, Win 98 uses FAT or FAT32, NTFS is on Win200, XP, Vista, 7 Mac OS X uses HFS+And Linux-based OS's usually...