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SMU MCA SEM 4 SPRING 2015 ASSIGNMENTS
MCA4010- MICROPROCESSOR
1 Differentiate between 16-bit and 32-bit Microprocessors.
2 Write short notes on:
a) Bus InterfaceUnit (BIU)
b) ExecutionUnit (EU)
3 Write short notes on:
a) REP Prefix
b) Table Translation
4 Describe about Key-codeData Formats and FIFOStatus 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 defectiveoutput 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 followingdata 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

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5 Let X be a random variable and its probability mass functionis p(x=r) = q^r-1 p, r = 1,2,3. 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
MCA4030- PROGRAMMING INJAVA
1 Describe about JDK. List and explain any fivetools available in JDK.
2 Differentiate Break and Continue statements in Java withexample 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 JavaBeans and BeanBox.
MCA4040-ANALYSIS AND DESIGNOFALGORITHM
1 Describe the properties of Algorithms.
2 Define selection sort and explain how to implement the selection sort?
3 Define Topological sort. And explain with example.
4 Explain good-suffixand bad-character shift in Boyer-Moorealgorithm.
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 HuffmanEncoding