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Acomputer 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 four registers. Amemory-mapped I/O configuration is used. The two highest-order bits of the address bus are assigned 0 for RAM, 01 for ROM, and 10 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.

Acomputer 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 four registers. Amemory-mapped I/O configuration is used. The two highest-order bits of the address bus are assigned 0 for RAM, 01 for ROM, and 10 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.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Acomputer 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 four registers. Amemory-mapped I/O configuration is used. The two highest-order bits of the address bus are assigned 0 for RAM, 01 for ROM, and 10 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.
Transcribed Image Text:Acomputer 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 four registers. Amemory-mapped I/O configuration is used. The two highest-order bits of the address bus are assigned 0 for RAM, 01 for ROM, and 10 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.
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