Question

A computer employs ram chips of 512 x 8 and rom chips of 256 x 8. The computer system needs 16m bytes of ram, 1m bytes of rom. How many ram and rom chips are needed?

Answer 1

A computer employs RAM chips of 128 x 8 and ROM chips of 512 x 8. Thecomputer system needs 256 bytes of RAM, 1024 x 16 of ROM, and two interface units with 256 registers each. A memory mapped I/O configuration is used.