At the campus copy shop, six jobs have arrived in the order shown (A, B, C, D, E, and F) at the beginning of the day 1 (today, which is a work day). All of the jobs are due at various times today. Your job is to evaluate four common sequencing rules. JOB DUE (IN HOURS) DURATION (HOURS REQUIRED) A 8 (this job is due in 8 hours) 1.65 B 5.5 (this job is due in 5.5 hours) 1.20 C 4.5 (this job is due after lunch in 4.5 hours) 0.85 D 6 (this job is due in 6 hours) 1.30 E 4 (this job is due at noon, in 4 hours) 1.85 F 7 (this job is due in 7 hours) 1.55 Part 2 a) Sequence the jobs according to the following decision rules: FCFS, EDD, SPT, and LPT. According to the FCFS rule, the sequence of jobs should be ▼ C, B, D, F, A, E B, E, A, D, F, C B, C, F, D, A, E E, C, B, D, F, A E, A, F, D, B, C A, B, C, D, E, F . Part 3 According to the EDD rule, the sequence of jobs should be ▼ B, C, F, D, A, E A, B, C, D, E, F C, B, D, F, A, E E, A, F, D, B, C B, E, A, D, F, C E, C, B, D, F, A . Part 4 According to the SPT rule, the sequence of jobs should be ▼ C, B, D, F, A, E A, B, C, D, E, F E, C, B, D, F, A B, E, A, D, F, C B, C, F, D, A, E E, A, F, D, B, C . Part 5 According to the LPT rule, the sequence of jobs should be ▼ A, B, C, D, E, F B, C, F, D, A, E E, A, F, D, B, C E, C, B, D, F, A C, B, D, F, A, E B, E, A, D, F, C . Part 6 b), c), d) & e) Compute the average completion (flow) time, average lateness, and average number of jobs in the system for each rule. Construct the table of measures of effectiveness for each rule (round your responses to two decimal places). Rule Average Completion (Flow) Time Average Lateness Average Number of Jobs in System FCFS enter your response here enter your response here enter your response here EDD enter your response here enter your response here enter your response here SPT enter your response here enter your response here enter your response here LPT enter your response here enter your response here enter your response here Part 7 f) Which is the best decision rule based on average completion (flow) time? The best decision rule based on average completion (flow) time is ▼ FCFS SPT EDD LPT . Part 8 g) Which job is late with the SPT rule? The job that is late with the SPT rule is job ▼ E A B F D C
At the campus copy shop, six jobs have arrived in the order shown (A, B, C, D, E, and F) at the beginning of the day 1 (today, which is a work day). All of the jobs are due at various times today. Your job is to evaluate four common sequencing rules. JOB DUE (IN HOURS) DURATION (HOURS REQUIRED) A 8 (this job is due in 8 hours) 1.65 B 5.5 (this job is due in 5.5 hours) 1.20 C 4.5 (this job is due after lunch in 4.5 hours) 0.85 D 6 (this job is due in 6 hours) 1.30 E 4 (this job is due at noon, in 4 hours) 1.85 F 7 (this job is due in 7 hours) 1.55 Part 2 a) Sequence the jobs according to the following decision rules: FCFS, EDD, SPT, and LPT. According to the FCFS rule, the sequence of jobs should be ▼ C, B, D, F, A, E B, E, A, D, F, C B, C, F, D, A, E E, C, B, D, F, A E, A, F, D, B, C A, B, C, D, E, F . Part 3 According to the EDD rule, the sequence of jobs should be ▼ B, C, F, D, A, E A, B, C, D, E, F C, B, D, F, A, E E, A, F, D, B, C B, E, A, D, F, C E, C, B, D, F, A . Part 4 According to the SPT rule, the sequence of jobs should be ▼ C, B, D, F, A, E A, B, C, D, E, F E, C, B, D, F, A B, E, A, D, F, C B, C, F, D, A, E E, A, F, D, B, C . Part 5 According to the LPT rule, the sequence of jobs should be ▼ A, B, C, D, E, F B, C, F, D, A, E E, A, F, D, B, C E, C, B, D, F, A C, B, D, F, A, E B, E, A, D, F, C . Part 6 b), c), d) & e) Compute the average completion (flow) time, average lateness, and average number of jobs in the system for each rule. Construct the table of measures of effectiveness for each rule (round your responses to two decimal places). Rule Average Completion (Flow) Time Average Lateness Average Number of Jobs in System FCFS enter your response here enter your response here enter your response here EDD enter your response here enter your response here enter your response here SPT enter your response here enter your response here enter your response here LPT enter your response here enter your response here enter your response here Part 7 f) Which is the best decision rule based on average completion (flow) time? The best decision rule based on average completion (flow) time is ▼ FCFS SPT EDD LPT . Part 8 g) Which job is late with the SPT rule? The job that is late with the SPT rule is job ▼ E A B F D C
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Question
At the campus copy shop, six jobs have arrived in the order shown (A, B, C, D, E, and F) at the beginning of the day 1 (today, which is a work day). All of the jobs are due at various times today. Your job is to evaluate four common sequencing rules.
|
JOB
|
DUE (IN HOURS)
|
DURATION (HOURS REQUIRED)
|
|
A
|
8
(this job is due in 8 hours)
|
1.65
|
|
B
|
5.5
(this job is due in 5.5 hours)
|
1.20
|
|
C
|
4.5
(this job is due after lunch in 4.5 hours)
|
0.85
|
|
D
|
6
(this job is due in 6 hours)
|
1.30
|
|
E
|
4
(this job is due at noon, in 4 hours)
|
1.85
|
|
F
|
7
(this job is due in 7 hours)
|
1.55
|
Part 2
a) Sequence the jobs according to the following decision rules: FCFS, EDD, SPT, and LPT.
According to the FCFS rule, the sequence of jobs should be
.
▼
C, B, D, F, A, E
B, E, A, D, F, C
B, C, F, D, A, E
E, C, B, D, F, A
E, A, F, D, B, C
A, B, C, D, E, F
Part 3
According to the EDD rule, the sequence of jobs should be
.
▼
B, C, F, D, A, E
A, B, C, D, E, F
C, B, D, F, A, E
E, A, F, D, B, C
B, E, A, D, F, C
E, C, B, D, F, A
Part 4
According to the SPT rule, the sequence of jobs should be
.
▼
C, B, D, F, A, E
A, B, C, D, E, F
E, C, B, D, F, A
B, E, A, D, F, C
B, C, F, D, A, E
E, A, F, D, B, C
Part 5
According to the LPT rule, the sequence of jobs should be
.
▼
A, B, C, D, E, F
B, C, F, D, A, E
E, A, F, D, B, C
E, C, B, D, F, A
C, B, D, F, A, E
B, E, A, D, F, C
Part 6
b), c), d) & e) Compute the average completion (flow) time, average lateness, and average number of jobs in the system for each rule.
Construct the table of measures of effectiveness for each rule (round your responses to two decimal
places).
|
Rule
|
Average Completion (Flow) Time
|
Average Lateness
|
Average Number of Jobs in System
|
|
FCFS
|
enter your response here
|
enter your response here
|
enter your response here
|
|
EDD
|
enter your response here
|
enter your response here
|
enter your response here
|
|
SPT
|
enter your response here
|
enter your response here
|
enter your response here
|
|
LPT
|
enter your response here
|
enter your response here
|
enter your response here
|
Part 7
f) Which is the best decision rule based on average completion (flow) time?
The best decision rule based on average completion (flow) time is
.
▼
FCFS
SPT
EDD
LPT
Part 8
g) Which job is late with the SPT rule?
The job that is late with the SPT rule is job
.
▼
E
A
B
F
D
C
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