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SMU MCA SEM 4WINTER 2015 ASSIGNMENTS

MCA4010- MICROPROCESSOR

1. Write short notes on the following:

a) Central Processing Unit

b) Memory Unit

2Write short notes on:

a) Bus Interface Unit (BIU)

b) Execution Unit (EU)

3Write short notes on:

a) REP Prefix

b) Table Translation

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

5Write a note on

(a) RS 232 standard

(b) IEEE 488 standard

6Write 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

1 Describe JDK. List and explain any five tools available in JDK.

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

3Differentiate between packages and Interfaces.

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

5Compare JDBC and ODBC.

6Describe about Java Beans and BeanBox.

MCA4040- ANALYSIS AND DESIGN OF ALGORITHM

1 List and explain the properties of Algorithms.

2Write a note on sequential search.

3Explain topological sort with an example.

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

5Explain Lower – Bound Arguments? What are the methods help to make an algorithm more efficient?

6Write an approximation algorithms for NP – Hard Problems.

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