[LH 4255] AUGUST 2015 Sub. Code: 4255
B.PHARM. DEGREE EXAMINATION
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FIRST YEAR
PAPER V — BIOSTATISTICS AND COMPUTER APPLICATIONS
Q.P. Code: 564255
Time : Three Hours Maximum : 100 marks
Answer Section A and B in SEPARATE Answer Book.
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SECTION - A (BIOSTATISTICS)
- Essay: (1x20=20)
- Calculate correlation coefficient and regression coefficient for following data:
X 2 4 6 8 10 12 14 Y 4 2 5 10 4 11 12 - Short notes : (4x5=20)
- In an examination five students obtained following score in computer science. 5,7,9,13,16 Find Standard Deviation.
- Discuss the different methods of sampling. Explain their merits.
- What is an Ogive or a cumulative frequency curve? Explain with example.
- Calculate the mean from the following data:
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X 10 12 13 18 19 20 19 30 Y 8 12 6 3 19 13 17 4 - Short answers: (5x2=10)
- Define Standard Deviation.
- Define Regression.
- Define frequency polygon.
- Exhaustive event.
- Define Dispersion.
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SECTION:-B (COMPUTER APPLICATIONS)
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- Essay: (1x20=20)
- a) Explain various types of networks, network topology. b) Explain scanf and printf functions.
- Short notes : (4x5=20)
- Explain different paragraph formatting in MS WORD
- Explain any five string manipulation functions in C.
- With a neat diagram explain the Basic Components of Computers.
- Explain different types of memories.
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- Short answers: (5x2=10)
- List any four MS DOS Commands.
- Keyboard shortcuts for Bold, Italics, underline and Print in MS WORD
- Define Compiler
- Define Identifier?
- Define virus.
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