Answer to Question #276202 in Electrical Engineering for Nandini

Question #276202

c. Give the address range in hexadecimal for RAM, ROM, and interface.



b. Draw a memory-address map for the system.



(10 Marks)



Q2. A computer employs RAM chips of 128 x 8 and ROM chips of 512 x 8. The computer system needs 1K bytes of RAM, 2K bytes of ROM, and two interface units, each with two registers. A memory-mapped 1/0 configuration is used. The two highest-order bits of the 16 bit address bus are assigned 11 for RAM,



10 for ROM, and 01 for interface registers.



a. How many RAM and ROM chips are needed?

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