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Page 1 of 4. MCA III Semester - Software Project Management. 1. Define forward and backward pass in the network analysis
MCA  III  Semester  -­‐  Software  Project  Management 1. Define   forward   and   backward   pass   in   the   network   analysis.   Draw   the   network   diagram   and   compute   EST,   EFT,   LST,   LFT,   TF,   FF,   and   IF   for   each   activities   of   the   project   having   precedence   relationship  as  shown  below.  Also  find  out  critical  path. Activity Duration (Days) Predecessors

A 10

B 9

C 7

D 9

E 8

F 5

G 11

H 6

I 9

J 12

K 10

L 8

-­‐

-­‐

A

A

B

B

D,E

C,G

H

G

G,F

K

2. List   out   various   errors   in   drawing   a   network   diagram.   Find   out   the   expected   time   of   each   engineer  mentioned  below.  Which  engineer  you  will  choose  and  why?  Who  is  more  certain  in   completing  the  job? Types NTC  Engineer NCELL  Engineer

to 5 4

tm 9 5

tp 12 9

3. A  project  has  the  following  schedule,  construct  the  network  diagram  and  compute  EST,  EFT,  LST,   LFT,  TF,  FF,  and  IF  for  each  activity  and  find  critical  path. Activity A B C D E F G H I J K L Duration 8 2 1 9 4 5 6 3 3 5 2 3 (Days) Predecessors -­‐ -­‐ A B B C,D E E G,H H I,J E,F 4. What  are  the  differences  between  CPM  and  PERT?  Find  the  te  (time  estimate  for  x  and  y  where   to,  tm,  tp  is  4,  6,  8  days  respectively  for  x  and  3,  5,  6  days  respectively  for  y).  Also  find  which  is   more  certain  by  using  S.D.  and  variance. 5.    Explain  CPM  and  PERT  and  their  uses. 6.    Draw  the  network  diagram  and  find  EST,  EFT,  LST,  LFT,  TF,  FF,  and  IF. S.N. Activity Duration  (Days) Predecessor 1 A 5 -­‐ 2 B 4 A 3 C 2 A 4 D 3 A 5 E 2 B 6 F 1 C 7 G 3 D 8 H 1 C,E 9 I 2 F,G

Successor B,C,D E F,H G H I I -­‐ -­‐

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7. Draw  a  bar  chart  and  explain  its  advantages  and  disadvantages.  Also  find  te,  and  variance  when   to,  tm,  tp  is  6,  8,  12  days  respectively..       8. Using   CPM   network   find   EST,   EFT,   LST,   LFT,   TF,   FF,   and   IF   for   the   following   activities.   Find   critical   path  and  duration  also.     S.N. 1 2 3 4 5 6 7 8 9 10 11 12

Activity A B C D E F G H I J K L

Duration  (Days) 3 5 2 7 2 1 3 1 1 3 5 4

Predecessor -­‐ A A A B B C D E D,F,G H I,J,K

Successor B,C,D E,F G H,J I J J K L L L -­‐

9. What  is  PERT?  In  what  situation  PERT  analysis  is  useful?  Discuss  project  scheduling  with  limited   resources.       10. Draw  CPM  network.  Find  EST,  EFT,  LST,  LFT,  TF,  FF,  and  IF.     S.N. Activity Duration  (Days) 1 A 6 2 B 4 3 C 3 4 D 0 5 E 7 6 F 5 7 G 4 8 H 3 9 I 6 10 J 10 11 K 6 12 L 3

Predecessor -­‐ A -­‐ B B D C E,F G G H,I J

Successor B D,E G F H H I,J K K L -­‐ -­‐

11.  Explain  the  use  of  PERT  and  find  the  S.D.,  te,  and  variance.  If to Engineer  X 4 Engineer  Y 3 Who  is  more  certain  in  completing  the  job?

tm 6 5

tp 8 8

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12. Draw   a   CPM   network.   Find   the   critical   path,   critical   activities,   project   duration,   EST,   EFT,   LST,   LFT,  TF,  FF,  and  IF.     S.N. Activity Duration  (Days) Predecessor Successor 1 A 1 -­‐ D,E 2 B 4 -­‐ F,J 3 C 2 -­‐ G 4 D 2 A H 5 E 4 A H 6 F 3 B I 7 G 4 C J 8 H 2 D,E K 9 I 5 F L 10 J 3 B,G -­‐ 11 K 3 H L 12 L 4 I,K -­‐

13. Explain   critical   path,   float   and   dummy.   Determine   project   duration,   EST,   EFT,   LST,   LFT,   TF,   FF,   and  IF.     S.N. Activity Duration  (Days) Predecessor Successor 1 A 2 -­‐ B 2 B 4 B C,D,E 3 C 4 B F,G 4 D 3 B H,I 5 E 4 B J 6 F 3 C K 7 G 4 C L 8 H 2 D L 9 I 0 D M 10 J 5 E M 11 K 3 F -­‐ 12 L 6 G,H -­‐ 13 M 3 I,J -­‐

14. Describe   the   uses   of   CPM   and   PERT   and   their   objectives.   Find   the   expected   (mean),   standard   deviation  and  variance  when  optimistic  time  (to),  most  likely  time  (tm)  and  pessimistic  time  (tp)   is  10,  20,  and  25  days  respectively.       15. What  do  you  mean  by  PERT?  Find  the  standard  deviation  of  event  4.     Activity 1-­‐2 2-­‐3 3-­‐4

to 3 4 5

tm 5 6 9

tp 7 8 11

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16. Explain  PERT.  Find  mean  and  standard  deviation  when  to,  tm,  tp  are  5,  10,  20  days  respectively.       17. Describe  the  use  of  bar  chart  with  merits  and  demerits.  Prepare  a  bar  chart  for  a  project.  What   is  linked  bar  chart?  Explain  their  uses  with  merits  and  demerits.       18. Find   EST,   EFT,   LST,   LFT,   TF   and   critical   path   of   the   following   activity.   Draw   the   resource   uses   profile.  (Add  dummy  activities  if  required)     Resource Activity Duration  (Weeks) Labour Mason 1-­‐2 3 5 5 1-­‐3 4 2 4 1-­‐4 12 3 3 2-­‐6 4 2 3 3-­‐6 5 5 4 3-­‐4 0 0 0 3-­‐5 4 2 2 4-­‐5 2 3 2 4-­‐6 2 1 3

19.  What  is  CPM?  Draw  a  network  diagram  and  determine  EST,  EFT,  LST,  LFT,  TF,  FF,  and  IF. S.N. Activity Duration  (Days) Predecessor Successor 1 A 3 -­‐ D 2 B 4 -­‐ E 3 C 5 -­‐ F 4 D 7 A G,H 5 E 8 B I 6 F 4 C J 7 G 4 D I 8 H 6 D K 9 I 0 E,G N 10 J 3 F L,M 11 K 7 H -­‐ 12 L 7 J N 13 M 9 J -­‐ 14 N 6 I,L -­‐

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