Questions
AlwaysClean is a Laundromat that has three operations: wash, dry, and iron. It takes 30 minutes to wash one load, 40 minutes to dry one load, and 20 minutes to iron one load.
1.
How much time will it take to perform 30 loads sequentially, without pipelining?
2.
How much time will it take with pipelining? Fully explain your calculation. Hint: Draw a diagram to help you analyze the timing.
3.
Identify a non- computer process that uses pipelining.
Part 2: memory location
Suppose A, X,Y, and Z are four
computer memory locations that hold different values, write a simple machine language program
to compute A= X+Y-Z.
The computer has two registers (R1 and R2) dedicated to arithmetic operations and only the following operations:
LOAD R,M
copy the value from memory location M (M is one of A, X, Y, or Z) into register R,
(R
is either R1 or R2)
STORE R, M
copy the value from register R into memory location M
ADD
add the values of R1 and R2 together and store the result in R1
SUB
Subtract the value of R2 from R1 and store the result in R1
SWAP
exchange the values stored in R1 and R2
HALT
stop program execution
Write a sequence of instructions using only these operations to perform the computation and then stop program execution. Explain your reasoning.
Remember to properly site your sources according to APA guidelines.
Questions
AlwaysClean is a Laundromat that has three operations: wash, dry, and iron. It takes 30 minutes to wash one load, 40 minutes to dry one load, and 20 minutes to iron one load.
1.
How much time will it take to perform 30 loads sequentially, without pipelining?
2.
How much time will it take with pipelining? Fully explain your calculation. Hint: Draw a diagram to help you analyze the timing.
3.
Identify a non- computer process that uses pipelining.
Part 2: memory location
Suppose A, X,Y, and Z are four
computer memory locations that hold different values, write a simple machine language program
to compute A= X+Y-Z.
The computer has two registers (R1 and R2) dedicated to arithmetic operations and only the following operations:
LOAD R,M
copy the value from memory location M (M is one of A, X, Y, or Z) into register R,
(R
is either R1 or R2)
STORE R, M
copy the value from register R into memory location M
ADD
add the values of R1 and R2 together and store the result in R1
SUB
Subtract the value of R2 from R1 and store the result in R1
SWAP
exchange the values stored in R1 and R2
HALT
stop program execution
Write a sequence of instructions using only these operations to perform the computation and then stop program execution. Explain your reasoning.
Remember to properly site your sources according to APA guidelines.

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