Multiple LSI's are used in computers list out some of their special purposes - Motherboard

Multiple LSI's are used in computers list out some of their special purposes.

Some of the purposes for which the LSI are used are as follows:

- PIC or the programmable interrupt controller.

- PIT or the programmable interrupt timer.

- PPI or programmable peripheral interface.

- CRTC is used for the controlling of the CRT.

- The floppy disk, hard disk and DMA controller are used for special purposes.

- The real time calendar or clock is used to organize and sort out thigs.