Answer to Question #277238 in Electrical Engineering for Adarsh

Question

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?

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

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

Answer 1

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