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Assignments Set-2

Fundamentals of IT (Set-2):

Q1. Briefly explain the classification of the computers.
Answer: Page No. 12 (Section 1.3)

Q2. Briefly explain the computer hardware.

Q3. Write the truth tables of OR, AND, NOT gates.

Q4. How do you install a new printer?

Q5. Distinguish between compiler and interpreter.
Answer: Page No. 117 (Section 5.13)

Q6. Explain the concepts of headers and footers.
Answer: Page No. 183 (Section 6.19)

Q7. Briefly explain the formatting tool bar.
Answer: Page No. 193 (Section 7.3.4)

Q8. Explain common Excel functions.
Answer: Page No. 224 (Section 8.3)

Q9. Discuss slide transition.
Answer: Page No. 310 (Section 9.9)

Q10. Write a note on various Internet Service Providers.

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Mathematics for IT (Set-2):

Q1. Solve the system of equations   3x +  y + 2z =  3
2x – 3y –  z = –3
x + 2y +  z =  4

Q2. Sum the series  1 + 2x + 3x2 + 4x3 + 5x4 + .......

Q3. A bag contains 3 red, 4 green and 3 yellow marbles. Three marbles are randomly drawn from the bag. What is the probability that they are of (i) the same colour  (ii) different colours(one of each colour).

Q4. Find the standard deviation for the following data
 x 12 13 14 15 16 17 18 19 f 1 0 4 12 20 15 6 2

Q5. If A = {x / xЄN and x < 3}, B = {x/x2– 16 = 0 and x< 0} find BxA where N is the set of natural number.

Q6. Prove that the negation of the disjunction of two propositions is logically equivalent to the conjunction of their negation.

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Logic Design (Set-2)

Q1. Convert the following hexadecimal numbers to base 10:
a.145
b.A2C1

Q2. What are universal gates?  Why they are called so?
Answer: Universal gates are the ones from which we can design other gates also. for eg. NAND and NOR gates. they help in forming the uniformity in the circuits. More Info

Q3. Expand the following Boolean functions into their canonical form:

Q4. Implement a 8:1 MUX using 4:1 MUX.

Q5. Draw and explain the working of JK, S-R, and D flip flops.

Q6. Give any two applications of shift register.

Q7. Explain the working principle of 4 bit Johnson counter with a neat diagram.

Q8. Explain temperature and weather forecast system with a neat circuit diagram.

Q9. Explain the functioning of digital multimeter.

Q10. Write a short note on ADC.

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C Programming and Data Structures (Set-2):

Q1. What is the difference between pre increment and post increment operator?

Q2. Write an algorithm to print the factorial of a given number and then draw the flowchart.

Q3. Why should we avoid ‘goto’ statement?

Q4. Write a program to sort the elements of an array in the ascending order.

Q5. Write a user defined function which is equivalent of strlen().

Q6. Write a program to illustrate the usage of pointers with arrays and functions.

Q7. Write a program that reads numbers from a file and find the largest and smallest among them.

Q8. What do you mean by Abstract Data Type?

Q9. Write a program to implement the stack operations using arrays.

Q10. Explain the operations that can be performed on linked list.

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Database Management Systems (Set-2):

Q1. Differentiate between physical data independence and logical data independence.

Q2. Explain the three level architecture of DBMS.

Q3. Explain the distinctions among the terms primary key, candidate key, and super key.

Q4. Explain various storage devices and their characteristics.

Q5. What are the benefits of making the system catalogs relations?

Q6. Explain the statement that relational algebra operators can be composed.  Why the ability to compose operators is important?

Q7. What is an unsafe query?  Give an example and explain why it is important to disallow such queries.

Q8. Define the term functional dependency.