Question

A computer employs ram chips of 256 x 8 and rom chips of 1024 x 8. the computer system needs 2k bytes of ram, 4k bytes of rom, and four interface units, each with our registers. a memory mapped i/o configuration is used. the two highest order bits of the address bus are assigned 00 for ram, 01 for rom, and 10 for interface registers. i. how many ram and rom chips are needed? (2) ii. draw a memory address map for the system. (2) iii. give the address range in hexadecimal for ram, rom and interface.

Answer 1

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