COB 300 Operations Chp 4 Questions and Correct Answers
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Course
COB 300
Institution
COB 300
Process
Ans Any set of activities performed by an organization that takes inputs and transforms
them into outputs ideally of greater value to the organization than the original inputs. The
output of many processes are services.Converts investment in resources to value for which
customers pay...
COB 300 Operations Chp 4 Questions and Correct Answers Process Ans Any set of activities performed by an organization that takes inputs and transforms them into outputs ideally of greater value to the organization than the original inputs. The output of many processes are services.Converts investment in resources to value for which customers pay. A good process: Adds value, keep costs as low as possible Process: Basic performance Measures Ans Cycle time: average time between completions of successive units. Determined by bottleneck. Determined by bottleneck! Utiliz ation: The ratio of the time that a resource is actually used/activated relative to the time that it is available for use. Flowcharting Ans Use a diagram to present the major elements of a process. An ideal methodology to be used to being analyzing a p rocess. Drawing a picture is always the first step in analyzing a process, a diagram showing the basic elements of a process. Tasks or operations are shown as rectangles. Flows of material or customers as arrows. Storage areas of queues (waiting li nes) inverted triangles. Decision points are diamonds. Separating the different horizontal or vertical bands sometimes is useful because it allows the separation of tasks that are part of the process. Large buffers allow the process to operate independ ently, whereas small buffers require more attention. These items have a value, so they also represent money. Analysing a process Ans Step 1. Analyze the current process Step 2. analyze the new process Step 3. Compare Step 4. Consider other processes from other companies. Suppose the whole process takes 6 minutes: Lead time. What's useful about categorizing a process? Ans can show similarities and differences between the process Single stage vs. multiple -stage pro cess Ans Multiple: multiple group of activities that are linking through the flow. Stage: Used to indicate that multiple activities have been pulled together for analysis purposes. Single: Stage 1 -> Multi: Stage 1 -> Stage 2 -> Stage 3 Buffering Ans a storage area between stages where the output of a stage is placed prior to being used in a downstream stage. Allows the stages to operate independently. If one stage feeds a second stage with no intermediate bugger, the assumption is that the t wo stages are directly linked. Waiting area for the jobs. Problems with directly linked processes Ans blocking and starving blocking Ans the activities in the stage must stop because there is no place to deposit the item just completed. Activities in a stage must stop because there is no place to deposit the item.
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