1. which sequence is best to minimize the average completion time? (a) FCFS (b) SPT (c)...
Homework Answers
Answer 1: Option B – SPT
The sequence which is best in minimizing the average completion time is SPT – Shortest Processing Time.
Because with shortest processing time, the jobs are processed based on shortest processing time so here jobs with smaller time are completed immediately and jobs with larger time will be processed later. Thus number of job completed within the given time will be larger than any other options like LPT,FCFC and EDD, because in these options, if long processing time job is observed in the sequence, then it will hold the sequence for longer time and other job need to wait till that longer lead time job get completed. Thus SPT will be the right option as it will have minimize average completion time for the jobs, as number of jobs completed will be larger than any other option. If larger number of jobs will be completed, then the denominator will have larger number so the average completion time will be lower.
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which sequence is best to minimize the average completion time? (a)
FCFS (b) SPT (c)...
Which of the following is TRUE when comparing the shortest processing time (SPT) versus first-come-first-served (FCFS)...
Which of the following is TRUE when comparing the shortest processing time (SPT) versus first-come-first-served (FCFS) for job sequencing? Jobs spend less time in the system with SPT than with FCFS. The system has more capacity with SPT than with FCFS. Jobs spend more time in the system with SPT than with FCFS. The system has less capacity with SPT than with FCFS.
a) Using the SPT (shortest processing time) decision rule for sequencing the jobs, the order is...
a) Using the SPT (shortest processing time) decision rule for sequencing the jobs, the order is (to resolve a tie, use the order in which the jobs were received): Sequence Job 1 ▼ N L M K O 2 ▼ K O L M N 3 ▼ K N L O M 4 ▼ N L M O K 5 ▼ N O K M L The total flow time for the sequence developed using the SPT rule = nothing...
a) Using the FCFS (first come, first served) decision e for sequencing the jobs, the order...
a) Using the FCFS (first come, first served) decision e for sequencing the jobs, the order is t Richard's Machine Shop, following jobs (below) are ready for dispatching to a work center. The processing times, date job recuived, and due dales for the jobs a ranked according lo the decision rukes given below whal sequence would the jobs b Sequence Job Date Job Processing (days) Job Received D 105 122 195 20 180 120 205 25 I times d daysloday...
Problem 1: A forensic audit firm has five audit jobs remaining at a point in time....
Problem 1: A forensic audit firm has five audit jobs remaining at a point in time. The audits are labeled as jobs 1, 2, 3, 4 and 5. The respective audit times (in days) and the remaining days before the due date are given in the table below. | Audit job Time required 10 28 30 Due (at the end of day 60 45 30 32 31 le a) Determine the job sequence using each of these priority rules: (1)...
Problem 18 Question Help Estimated Machine Time (hours) Time Since Order Due Date Arrived (hours ago)...
Problem 18 Question Help Estimated Machine Time (hours) Time Since Order Due Date Arrived (hours ago) (hours from now) Order 1 0 2* 10 12 3 5 8 3 18 20 The due dates reflect the need for the order to be hours t its next operation. Develop separate schedules by using the FCFS and EDD rules. Compare the schedules on the basis of average flow time and average past due Using the FCFS (first come, first served) decision rule...
: A forensic audit firm has five audit jobs remaining at a point in time. The...
: A forensic audit firm has five audit jobs remaining at a point in time. The audits are labeled as jobs 1, 2, 3, 4 and 5. The respective audit times (in days) and the remaining days before the due date are given in the table below. Audit job Time required Due (at the end of) day 1 11 61 2 29 45 3 31 31 4 1 33 5 2 32 Determine the job sequence using each of these...
a) Using the EDD (earliest due date) decision rule for sequencing the jobs, the order is...
a) Using the EDD (earliest due date) decision rule for sequencing the jobs, the order is (to resolve a tie, use the order in which the jobs were received): At Morgan's Transformer Rebuilding, following jobs (below) are ready for dispatching to a work center. The processing times, date job received, and due dates for the jobs are given below. In what sequence would the jobs be ranked according to the decision rules on the left Sequence Job 1 Date Job...
a) Using the EDD (earliest due date) decision rule for sequencing the jobs, the order is...
a) Using the EDD (earliest due date) decision rule for sequencing the jobs, the order is (to resolve a tie, use the order in which the jobs were received): At Morgan's Transformer Rebuilding, following jobs (below) are ready for dispatching to a work center. The processing times, date job received, and due dates for the jobs are given below. In what sequence would the jobs be ranked according to the decision rules on the left Sequence Job 1 Date Job...
. Solve the following problem in order to minimize a. mean flow time b. weighted mean...
. Solve the following problem in order to minimize a. mean flow time b. weighted mean flow time c. mean lateness d. maximum lateness For each of the above solutions, draw the associated Gantt chart indicating the completion time of each job.
Q1) Which of these best describes the resistance marker? (1 mark) Select one: a. A sequence...
Q1) Which of these best describes the resistance marker? (1 mark) Select one: a. A sequence of DNA which encodes for a protein that gives the cells antibiotic resistance. b. A sequence of DNA which initiates replication and from which DNA replication proceeds. c. A sequence of DNA which contains recognition sites for many restriction endonucleases. d. A sequence of DNA which can be used in agarose gel electrophoresis to determine the size of the DNA molecules Q2) Which of...
a) Using the FCFS (first come, first served) decision e for sequencing the jobs, the order is t Richard's Machine Shop, following jobs (below) are ready for dispatching to a work center. The processing times, date job recuived, and due dales for the jobs a ranked according lo the decision rukes given below whal sequence would the jobs b Sequence Job Date Job Processing (days) Job Received D 105 122 195 20 180 120 205 25 I times d daysloday...
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Problem 18 Question Help Estimated Machine Time (hours) Time Since Order Due Date Arrived (hours ago) (hours from now) Order 1 0 2* 10 12 3 5 8 3 18 20 The due dates reflect the need for the order to be hours t its next operation. Develop separate schedules by using the FCFS and EDD rules. Compare the schedules on the basis of average flow time and average past due Using the FCFS (first come, first served) decision rule...
a) Using the EDD (earliest due date) decision rule for sequencing the jobs, the order is (to resolve a tie, use the order in which the jobs were received): At Morgan's Transformer Rebuilding, following jobs (below) are ready for dispatching to a work center. The processing times, date job received, and due dates for the jobs are given below. In what sequence would the jobs be ranked according to the decision rules on the left Sequence Job 1 Date Job...
a) Using the EDD (earliest due date) decision rule for sequencing the jobs, the order is (to resolve a tie, use the order in which the jobs were received): At Morgan's Transformer Rebuilding, following jobs (below) are ready for dispatching to a work center. The processing times, date job received, and due dates for the jobs are given below. In what sequence would the jobs be ranked according to the decision rules on the left Sequence Job 1 Date Job...
. Solve the following problem in order to minimize a. mean flow time b. weighted mean flow time c. mean lateness d. maximum lateness For each of the above solutions, draw the associated Gantt chart indicating the completion time of each job.
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