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Please answer the following questions and (if possible) explain your answer The

ID: 1814348 • Letter: P

Question

Please answer the following questions and (if possible) explain your answer

The following shows the contents of some data segments of a 68000 memory map. What is the word stored at location A20100? Answer:_________ What is the byte stored at location A20106? Answer:_________ What is the longword stored at location A20104? Answer:_________ What is the word stored at location B20102? Answer:_________ What is the byte stored at location B20102? Answer:_________ What is the longword stored at location B20108? Answer:_________ The following 68000 memory system consists of 2 consecutive (no unused space) RAM chips and 2 consecutive ROM chips. Fill in the blanks (8) with the correct starting and ending addresses for all four chips.

Explanation / Answer

1.a ) 0011

b) 77

c) 00000055

d) 3040

e) 40

f) 000090A0


since each digit in hexadecimal=4 bits,

8 bits =1 byte

16 bits = 1 word

32 bits= 1 long word


2) | Starting Address (Binary) | Starting Add. (Hex)| Ending Add. (Hex)|