1- A digital computer has a memory unit with 64 bits per word and 256G memory. The instruction set consists of 532 different operations. All instructions have an opcode, general register, index register, mode, future and address fields. This particular system includes 32 general- purpose registers, 8 index register,4 modes, future and address. a) How many bits are needed for the opcode? b) How many bits are needed to specify the general and index registers? c) How many bits are needed to specify the mode and the future?
1- A digital computer has a memory unit with 64 bits per word and 256G memory. The instruction set consists of 532 different operations. All instructions have an opcode, general register, index register, mode, future and address fields. This particular system includes 32 general- purpose registers, 8 index register,4 modes, future and address. a) How many bits are needed for the opcode? b) How many bits are needed to specify the general and index registers? c) How many bits are needed to specify the mode and the future?
Chapter22: Sequence Control
Section: Chapter Questions
Problem 6SQ: Draw a symbol for a solid-state logic element AND.
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