# SMU MBA ASSIGNMENTS

## MCA — Sem 4 SUMMER 2014

MCA — Sem 4

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MCA4010- MICROPROSESSOR

1 Write short notes on:

a) Central Processing Unit

b) Memory Unit

2 Write short notes on:

a) Bus Interface Unit (BIU)

b) Execution Unit (EU)

3 Write short notes on:

a) REP Prefix

b) Table Translation

4 Describe about Key-code Data Formats and FIFO Status Word formats.

5 Write a note on

(a) RS 232 standard

(b) IEEE 488 standard

6 Write short note on:

a) Parallel Printer Interface (LPT)

b) Universal Serial Bus (USB)

MCA4020- PROBABILITY AND STATISTICS

1. Three machines A, B and C produce respectively 60%, 30% and 10% of the total number of items of a factory. The percentage of defective output of these machines are respectively 2%, 3% and 4%. An item is selected at random and is found to be defective. Find the probability that the item was produced by machine C.

2 Find the constant k so that

Is a joint probability density function. Are X and Y independent?

3 The data shows the distribution of weight of students of 1st standard of a school. Find the quartiles.

 Class Interval 13-18 18-20 20-21 21-22 22-23 23-25 25-30 Frequency 22 27 51 42 32 16 10

4 Fit a trend line to the following data by the freehand method:

 Year Production of wheat (in tonnes) Year Production of wheat (in tonnes) 1995 20 2000 25 1996 22 2001 23 1997 24 2002 26 1998 21 2003 25 19990 23 2004 24

5 Let X be a random variable and its probability mass function is Find the m.g.f. of X and hence it’s mean and variance.

6 The diastolic blood pressures of men are distributed as shown in table. Find the standard deviation and variance.

 Pressure (men) 78-80 80-82 82-84 84-86 86-88 88-90 No. of Men 3 15 26 23 9 4

MCA 4030 – PROGRAMMING IN JAVA

2 Differentiate Break and Continue statements in Java with example program.

3 Differentiate between packages and Interfaces.

4 What are Applets? What are the restrictions of Applets? Describe about applet class.

5 Compare JDBC and ODBC

6 Describe about Java Beans and BeanBox.

MCA4040- ANALYSIS AND DESIGN OF ALGORITHM

1 Write the steps involved in analyzing the efficiency of non-recursive algorithms.

2 Define selection sort and explain how to implement the selection sort?

3 Define Topological sort. And explain with example.

4 Explain good-suffix and bad-character shift in Boyer-Moore algorithm.

5 Solve the Knapsack problem using memory functions.

Item 1 2 3 4

Weight 2 6 4 8

Value (in Rs.) 12 16 30 40

Knapsack capacity is given as W=12. Analyze the Knapsack problem using memory functions with the help of the values given above.

6 Describe Variable Length Encoding and Huffman Encoding.

Dear students get fully solved SMU MCA summer 2014 assignments

Send your semester & Specialization name to our mail id :

“ kvsude@gmail.com ”

or

Call us at : + 91 9995105420