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{"ops":[{"insert":"computer employs RAM chips of 512 x 8 and ROM chips of 256 x 8. The computer system needs "},{"insert":"\n"},{"insert":""},{"insert":"\n"},{"insert":"1K bytes of RAM, 2K bytes of ROM, and eight interface units, each with 2 registers. A memory-mapped "},{"insert":"\n"},{"insert":""},{"insert":"\n"},{"insert":"1\/0 configuration is used. The two highest-order bits of the 16 bit address bus are assigned 10 for RAM, "},{"insert":"\n"},{"insert":""},{"insert":"\n"},{"insert":"11 for ROM, and 00 for interface registers."},{"insert":"\n"},{"insert":""},{"insert":"\n"},{"insert":"a. How many RAM and ROM chips are needed?"},{"insert":"\n"},{"insert":""},{"insert":"\n"},{"insert":"b. Draw a memory-address map for the system."},{"insert":"\n"},{"insert":""},{"insert":"\n"},{"insert":"c. Give the address range in hexadecimal for RAM, ROM, and interface."},{"insert":"\n"}]}
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