14. Assume that there is a two digit common anode 7 -segment. I.FD display connected to the lower 4 bits of port B of a PPI (8255) at address 0640H (Address of the port B). The display is connected to the PPI through a Hexadecimal to 7 Segment Display driver chip (74LS47) as shown in Figure 1 . Dip-switch is connedted to port. C Tower. Pull-Up NPN transistors are connected to port C Upper. c) Consider now Display 1 and Display 2. Write an 8086 AL.P program to read the status of the Dipswitch continuously and display it on Display 1 bit 0 is equal to 1 . Otherwise display the status of the Dip-switch on Display 2. 15 What will be the content of AL after the following instructions execute? 1 DATA DW OFH, 971CH1,49H,1C7EH 2 M BX, OFFSET DATA MNN AL, 5 XIAT