CSE 230 final Questions with complete
solution 2025/2026
What data path is this: PC->IM->MUX->RF->MUX->ALU->MUX->RF->none - correct answer slt, slti, andi,
subu, and nor
What data path is this: PC->IM->MUX->RF->MUX->ALU->DM->MUX->RF - correct answer lb, lhu, lw, lh
What data path is this: PC->IM->MUX->RF->MUX->ALU->DM->none->none - correct answer sw, sb, sh
What control path is this:
ALUOP: 10
ALU ctrl: 0010
Reg Dst: 0
ALUsrc: 1
MemtoReg: 0
Branch: 0
Jump: 0
PC src: 0
Reg write: 1
Reg read: 0
Mem write: 0 - correct answer I-type
What control path is this:
ALUOP: 10
, ALU ctrl: 0111
Reg Dst: 1
ALUsrc: 0
MemtoReg: 0
Branch: 0
Jump: 0
PC src: 0
Reg write: 1
Reg read: 0
Mem write: 0 - correct answer R-type
What control path is this:
ALUOP: 01
ALU ctrl: 0110
Reg Dst: x
ALUsrc: 0
MemtoReg: x
Branch: 1
Jump: 0
PC src: 0
Reg write: 0
Reg read: 0
Mem write: 0 - correct answer beq false
What control path is this:
solution 2025/2026
What data path is this: PC->IM->MUX->RF->MUX->ALU->MUX->RF->none - correct answer slt, slti, andi,
subu, and nor
What data path is this: PC->IM->MUX->RF->MUX->ALU->DM->MUX->RF - correct answer lb, lhu, lw, lh
What data path is this: PC->IM->MUX->RF->MUX->ALU->DM->none->none - correct answer sw, sb, sh
What control path is this:
ALUOP: 10
ALU ctrl: 0010
Reg Dst: 0
ALUsrc: 1
MemtoReg: 0
Branch: 0
Jump: 0
PC src: 0
Reg write: 1
Reg read: 0
Mem write: 0 - correct answer I-type
What control path is this:
ALUOP: 10
, ALU ctrl: 0111
Reg Dst: 1
ALUsrc: 0
MemtoReg: 0
Branch: 0
Jump: 0
PC src: 0
Reg write: 1
Reg read: 0
Mem write: 0 - correct answer R-type
What control path is this:
ALUOP: 01
ALU ctrl: 0110
Reg Dst: x
ALUsrc: 0
MemtoReg: x
Branch: 1
Jump: 0
PC src: 0
Reg write: 0
Reg read: 0
Mem write: 0 - correct answer beq false
What control path is this:
