BBA205 – MANAGEMENT INFORMATION SYSTEM

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ASSIGNMENT

 

 

Note: Answer all questions. Kindly note that answers for 10 marks questions should be approximately of 400 words. Each question is followed by evaluation scheme.

 

 

Q.1 Define MIS. Describe the characteristics and functions of MIS

 

Ans : Meaning of MIS :

 

A management information system (MIS) provides information that organizations require to manage themselves efficiently and effectively. Management information systems are typically computer systems used for managing. The five primary components:

1.) Hardware,

2.) Software,

 

 

 

Q.2 What do you mean by Decision Making Process? Describe the steps in Decision Making Process.

 

Ans : Meaning of Decision Making process:

 

Decision making is a daily activity for any human being. There is no exception about that. When it comes to business organizations, decision making is a habit and a process as well. Effective and successful decisions make profit to the

 

 

 

Q.3 Explain the applications and systems used in E-communication.

 

Ans : Application and systems used in E-communication:

 

The term electronic communication is defined as passing of information from one individual to another using computers, fax and phones. A good example of a form of electronic communication is the use of email. As technology progresses,

 

 

 

Q.4 There is an information explosion in today’s society. There are lot of advantages of DBMS like proper maintenance of the data and maintaining security. Explain the process of data transition using diagram and an example of your own.

 

 

Ans :   DFD provides an overview of the data entering and leaving the system. It also shows the entities that are providing or receiving that data. These correspond usually to the people that are using the system we will develop. The context diagram helps to define our system boundary to show what is included in, and what is excluded from, our

 

 

Q. 5 A project is composed of 9 activities the three estimates of time in weeks for the activities are

given below in the following table.

 

ACTIVITY	Immediate predecessors	Optimistic time	Most like time duration	Pessimistic time
A	—	5	8	10
B	—	18	20	22
C	—	26	33	40
D	A	16	18	20
E	A	15	20	25
F	B	6	9	12
G	C	7	10	12
H	D	7	8	9
I	F,E	3	4	5

a. Draw a PERT Network

b. Determine the expected time and variance for each activity

c. Determine earliest and latest occurrence time of each event

d. Determine the critical path for the network

 

 

 

 

b. For determining the expected time and  variance for each activity :

Activity	Expected duration te = t0 + 4tm + tp/6	Variance= (tp – to/6)2
A	7.8	0.8
B	20	0.4
C	33	2.3
D	18	0.6
E	20	2.7
F	9	1
G	9.8	0.8
H	8	0.1
I	4	0.1

 

 

 

 

 

 

 

 

 

 

 

 

 

c. Determine earliest and latest occurrence time of each event :

 

EST for initial activity is zero.

EST for other activity is latest early finish of the activities directly preceding it.

EFT = EST + Duration for event

LFT for the final activity is equal to EFT as determined by the forward pass

LFT for other activities is equal to the LST of directly following it

LST = LFT- Time required

 

 

 

Q. 6 Write short notes on the following :

a)Transaction Processing System(TPS)

b)Knowledge Based System(KBS)

 

Ans : Concept of Transaction Processing System:

 

A transaction process system (TPS) is an information processing system for business transactions involving the collection, modification and retrieval of all transaction data. Characteristics of a TPS include performance, reliability and consistency. TPS is also known as transaction processing or real-time processing.

A transaction process system and transaction processing are often contrasted with a batch process system and batch processing, where many

 

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