Course Notes for Ops571

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Week 1
* our organization provides software to telecom companies for a variety of end-user applications * our organization as well as customers are distributed around the world * from process flow perspective (and a simple one) -- the sales people work with customers to get required changes needed in the software * a set of front-end systems engineers take these, and develop into implementable designs * the developers will develop these, and then sends it to testing group * once the testing group certifies the software -- it is sent to customers * the software deployment people will help customers certify the software * customers will do integration with their own set of software developed * once all of these are complete -- customer's marketing organization rolls out new capabilities to consumers like you and me * as you can imagine -- this is a very simplified process flow. Many of the intermediate steps are repetitive * consistent with industry practices -- the organization follows TL9000 processes Which of the following are possible examples of “cycle times”? 1. Time for each television to come off an assembly line. 2. Time it takes for a stock purchase

3. Time it takes for an instructor to grade an exam
4. Time it takes to build an automobile
5. All of the above
 
Answer: e. All of the above
 
 
Which of the following are used as symbols in a Process Flowchart? 1. Decision points
2. Blocking
3. Starving
4. Bottleneck
5. All of the above
 
Answer: a. Decision points (A diamond shaped symbol.)
 
Which type of process is configured as follows?
 
 
 
-------------------------------------                       ------------------------------------                        ------------------------------------- |                                   |                       |                                   |                       |                                   | |                 1                |           è        |                 2                |           è        |                 3                | |                                   |                       |                                   |                       |                                   | -------------------------------------                       -------------------------------------                       -------------------------------------   

 
1. Single-stage process
2. Multi-stage process
3. Make-to-order process
4. Make-to-stock process
5. All of the above
 
Answer: b. Multi-stage process
 
 
When an assembly line employee is waiting for a unit of work to come down the line so they can stop being idle and get back to work, it is an example of which of the following process terms? 1. Buffering

2. Blocking
3. Starving
4. Bottleneck
5. All of the above
 
Answer: c. Starving
 
 
When a company waits until they have an order for their product in hand before beginning any production for that order, we can characterize their operation as which of the following processes? 1. Single-stage process

2. Multi-stage process
3. Make-to-order process
4. Make-to-stock process
5. All of the above
 
Answer: c. Make-to-order process
 
 
If the Run Time for a batch of parts is 45 minutes on a machine, and the Setup Time is 65 minutes, which of the following is the Operation Time? 1. 75 minutes
2. 110 minutes
3. Only 45 minutes
4. 65/45 minutes or 1.44 hours
5. Can not be computed on the data above
 
Answer: b. 110 minutes ( Operation Time is the sum of Run Time and Setup Time, or 65 + 45 = 110 minutes)  
 
If the standard expected phone calls for a telephone marketers is 24 per  hour, and one telephone marketer did 27 per hour, which of the following can be used to describe their Efficiency? 1. 88.8%

2. 100%
3. 112.5%
4. Well over 150%
5. Can not computed on the...
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