Q.1.     A computer uses a memory unit with 1024 K words of 32 bits each (as shown in the figure below). A binary instruction code is stored in one word of memory. The instruction has four parts: an indirect bit, an operation code, a register code part to specify one of 64 registers, and an address part (15). How many bits are there in the operation code, the register code part, and the address part? Draw the instruction word format and indicate the number of bits in each part? How many bits are there in the data and address inputs of the memory?

Computer Networking: A Top-Down Approach (7th Edition)
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ISBN:9780133594140
Author:James Kurose, Keith Ross
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Q.1.     A computer uses a memory unit with 1024 K words of 32 bits each (as shown in the figure below). A binary instruction code is stored in one word of memory. The instruction has four parts: an indirect bit, an operation code, a register code part to specify one of 64 registers, and an address part (15).

  • How many bits are there in the operation code, the register code part, and the address part?
  • Draw the instruction word format and indicate the number of bits in each part?
  • How many bits are there in the data and address inputs of the memory?
11
PC
AR
Memory
4096 words
6 bits per word
15
IR
15
15
TR
DR
15
OUTR
INPR
AC
Transcribed Image Text:11 PC AR Memory 4096 words 6 bits per word 15 IR 15 15 TR DR 15 OUTR INPR AC
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