What is the difference between raw material inventory, work$-$in$-$process $($WIP$)$ inventory, and finished goods inventory?

What is the difference between independent demand and dependent demand? Give several examples of each.

What level is an end item in a bill of material? What is a low$-$level code? What is the low$-$level code for an end item? Draw a bill of material for which component $200$ occurs on two different levels and has a low$-$level code of $3.$

What is the master production schedule, and what does it provide for an MRP system?

How do you convert gross requirements to net requirements? What is this procedure called?

Why are scheduled receipts adjusted before any net requirements are computed?

Which lot$-$sizing rule results in the least inventory?

What are the trade$-$offs considered in lot sizing?

In what respect is the Wagner$-$Whitin algorithm optimal? How is it sometimes impractical $($i$.$e$.,$ what does it ignore$)?$

Which of the following lot$-$sizing rules possess the so$-$called Wagner$-$Whitin property?

$($a$)$ Wagner$-$Whitin

$($b$)$ Lot$-$for$-$lot

$($c$)$ Fixed order quantity $($e$.$g$.,$ all jobs have size of $50)$

$($d$)$ Fixed order period

$($e$)$ Part$-$period balancing

How do planned lead times differ from actual lead times? Which is typically bigger, the planned lead time or the average actual lead time? Why?

What assumption in MRP makes the implicit assumption of infinite capacity? What is the effect of this assumption on planned lead times? On inventory?

What is the difference between a planned order receipt and a planned order release? How does a scheduled receipt differ from a planned order release?

What is the difference between a scheduled receipt and a firm planned order? How are they similar?

Why do we perform all the MRP processing for one level before going to the next$-$lower level? What would happen if we did not?

What is the bill$-$of$-$material explosion?

What is pegging? How does it help in bottom$-$up replanning?

What is the effect of having safety stock when computing net requirements?

What is the difference between having a safety lead time of one period and simply adding one period to the planned lead time? What is the same?

What is nervousness in an MRP system? How is it caused? Why is it bad? What are some things that can be done to prevent it$?$

What is MRP II$?$ Why was it created?

Why might rough$-$cut capacity planning be optimistic? Why might it be pessimistic?

Why is capacity requirements planning not very accurate? What assumptions are made in CRP that are the same as those in MRP$?$

What is the purpose of dispatching? What are dispatching rules? Why does shortest process time seem to work pretty well? When does earliest due date work well?

What is the purpose of inpudoutput control? Why is it often "too little, too late"?

How has ERP continued to perpetrate the fundamental problem of MRP$?$ Has this been addressed in SCM systems?