microprocessor systems applications

It is required to add 56KB of memory to an 8088 microprocessor based system which has 20-bit address and 8-bit data buses in the following address ranges: 4 (8Kx8) RAM chips to decode A0000H 2 (4KxS) RAM chip to decode A8000H 1 (16KxS) RAM chip to decode AA000H What is the address space for the third 8Kx8 RAM? O a. A2000 - ABFFF O b. A0000 - A2FFF O C. A4000 - A5FFF O d. A0000 - A1FFF Design an 8086 based system with the following specifications (minimum mode): 64 Kbyte ROM starting at address F0000H. 128 Kbyte RAM starting at address 40000H. What is the address range of even RAM bank? O a. 40001 - 5FFFEH O b. 40000H - FFFFFH O c. 40000H 5FFFEH d. 40000F - 5FFFFH