ISQS 7342 - Texas Tech University
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Transcript ISQS 7342 - Texas Tech University
ISQS 7342
REVIEW FOR EXAM III
Format for exam
30-40 multiple choice
1-2 sets of discussion questions/problems
Bring…/Don’t Bring…
Bring…
Scantron sheet
Pencil, eraser, calculator
Don’t Bring…
Paper
PDAs, Pocket PC’s, tablets,
Programmable, high memory storage devices
We Covered:
Burns Ch 8
Larson and Gray—Chs 8, 10, 11, 12
About your homework
B: 8-10—CRASHING: You have to construct a path
table that includes ALL paths from start node to
finish node—you have to use the heuristic I gave you
in class that is in Chapter 8 of Burns
B: 8-13—GOLDRATT REMOVAL OF SAFETY: You
should have looked at the link to the example that
was in your webpage
Burns, Ch.8-Ex.10
For the network diagram below, find the best crashing strategy considering that you have $1,100 in
crashing budget and the following:
TASK
A
B
C
D
E
F
G
CRASH COST/DAY
$100
$200
$300
$400
$300
$200
$100
MINIMUM DURATION
3
6
8
6
9
4
8
Burns, Ch.8-Ex.10
A/9
C/12
B/8
E/11
D/12
F/6
G/9
Burns, Ch.8-Ex.10
PATHS
ABDG
ABDFG
ADG
ADFG
ACEG
ACEFG
CRASH COST
BUDGET LEFT
PATHS
ABDG
ABDFG
ADG
ADFG
ACEG
ACEFG
CRASH COST
BUDGET LEFT
LENGTH
(DAYS)
38
44
30
36
41
47
$1,100
LENGTH
(DAYS)
38
44
30
36
41
47
$1,100
CRASH A
6 DAYS
32
38
24
30
35
41
$600
$500
CRASH G
1 DAY
31
37
23
29
34
40
$100
$400
CRASH F
2 DAYS
31
35
23
27
34
38
$400
$0
CRASH G
1 DAY
37
43
29
35
40
46
$100
$1,000
CRASH A
6 DAYS
31
37
23
29
34
40
$600
$400
CRASH F
2 DAYS
31
35
23
27
34
38
$400
$0
Burns, Ch.8-Ex.13
B/8
E/9
A/8
C/9
G/4
F/9
D/4
Burns, Ch.8-Ex.13
B/4
FB/0.25
E/4.5
A/4
C/4.5
G/2
F/4.5
FB/1.25
D/2
PB/15
L&G, Ch.8-Ex.3
Heuristics Rule:
Minimum slack
Smallest duration
Lowest identification number
Log of Parallel Method of Scheduling 8-3
PERIOD
ACTIVITY
CHANGES
0-1
2
1
3
5
3
5
6
3
5
6
3
4
5
-
Schedule Activity 2 (first by minimum slack rule)
Schedule Activity 1
Delay Activity 3 ES to period 1. Reduce slack to 0
Delay Activity 5 ES to period 6. Reduce slack to 0
Delay Activity 3 ES to period 2. Reduce slack to -1
Delay Activity 5 ES to period 7. Reduce slack to -1
Delay Activity 6 ES to period 11. Reduce slack to -1
Delay Activity 3 ES to period 3. Reduce slack to -2
Delay Activity 5 ES to period 8. Reduce slack to -2
Delay Activity 6 ES to period 12. Reduce slack to -2
Schedule Activity 3
Schedule Activity 4
No changes
No changes
No changes
Schedule Activity 5
No changes
No changes
No changes
1-2
2-3
3-4
4-5
5-6
6-7
7-8
8-9
9-10
10-11
11-12
L&G, Ch.8-Ex.12
RESOURCE-CONSTRAINT SCHEDULING
3
3
2
0 1
2
2
0 2
2
4
4
4
2
5
1
5
6
3
2
Legend
ESIDEF
SLRESSL
LSDURLF
ID RES DUR0
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18
1
2
2
2
2
4
3
3
2
4
2
2
5
1
5
6
3
1
Resource
Scheduled
Resource
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
Available
Resource-Constrained Scheduling
2 3 4
5 3 5
7 2 9
0 1 2
5 2 5
5 2 7
0 2 4
0 2 0
0 4 4
ID RES DUR0
1
2
2
2
2
4
3
3
2
4
2
2
5
1
5
6
3
1
Resource
Scheduled
Resource
Available
1
2
2
2
2
2
Legend
ESIDEF
SLRESSL
LSDURLF
4 5 9
0 1 0
4 5 9
3
2
9 6 11
0 3 0
9 2 11
4 4 6
3 4 3
7 2 9
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
2
3
3
1
1
4
1
1
4
1
4
4
2
2
4
4
1
1
1
4
4
3
3
4
4
4
4
4
4
4
4
4
4
4
4
3
3
4
4
4
4
4
4
List the order in which you scheduled the activities of the project: 2, 1, 5, 3, 4, 6
Which activities of your schedule are now critical? 2, 4, 6
Re-compute your slack for each activity given your new schedule.
What is the slack for activity 1? 4? 5? 1 = (2), 4 = (0), 5 = (2)
Resource-constrained Scheduling
If resources are insufficient to meet peak demand
then you have a time-constrained problem, right?
In a resource-constrained project what is most likely
to be changed?
The completion date
If something has to be finished before another task
can be started, that is known as a ___ constraint.
Leadership—Ch. 10 of L&G
What is the difference between leadership and
management
What are relationship currencies?
What is emotional intelligence?
What does it mean to lead by example?
Teams – Chapter 11
What are Tuckman’s five phases?
How do you create synergy?
What is positive synergy
The whole is greater than the sum of the parts
High performance teams view mistakes as…
learning
Opportunities for learning—learning----
What is involved in running effective project
meetings?
Outsourcing -- L&G --Chapter 12
Is outsourcing the same as off-shoring?
What are some impediments to off-shoring?
What are the advantages of offshoring?