I. (13%) What are the 32-bit output of the sign-extend unit (in the top figure of slide 12.10) and the 30-bit output of the multiplexor from the jump (in the bottom figure of Slide 12.10) assuming the msb 4″ “0000?” Hint: Use PC to represent the program counter or its contents (a bit string). Ans> Sign-extend (32 bits) Jump’s multiplexor (30 bits) Branch or Jump Target Address Memory Most-significant Beq Problems in this exercise refer to a clock cycle in which the processor fetches the following instruction word: 0001 0000 0010 0011 0000 0000 0000 1100 Check the Appendix B.10 of the textbook or MIPS Instruction Reference to find out what this instruction is, Assume that data memory is all zeros and that the processor’s registers have the following values at the beginning of the cycle in which the above instruction word is fetched: $0 $1 $2$3 $4 $5 $6 $8$12 $31 .2 12 .8 .6 16 2. (13%) What are the values of ALU control unit’s inputs for this instruction? Show transcribed image text I. (13%) What are the 32-bit output of the sign-extend unit (in the top figure of slide 12.10) and the 30-bit output of the multiplexor from the jump (in the bottom figure of Slide 12.10) assuming the msb 4″ “0000?” Hint: Use PC to represent the program counter or its contents (a bit string). Ans> Sign-extend (32 bits) Jump’s multiplexor (30 bits)
Branch or Jump Target Address Memory Most-significant Beq Problems in this exercise refer to a clock cycle in which the processor fetches the following instruction word: 0001 0000 0010 0011 0000 0000 0000 1100 Check the Appendix B.10 of the textbook or MIPS Instruction Reference to find out what this instruction is, Assume that data memory is all zeros and that the processor’s registers have the following values at the beginning of the cycle in which the above instruction word is fetched: $0 $1 $2$3 $4 $5 $6 $8$12 $31 .2 12 .8 .6 16
2. (13%) What are the values of ALU control unit’s inputs for this instruction?
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