⟩ Explain 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 things.