Define angle modulation. What are its types? Discuss the limitations of angle modulation.

What is count-to-infinity problem in distance vector routing protocol? How does it happen? Explain with an example.

Briefly discuss the functions of various layers involved in TCP/IP model, also mention the protocols defined under each layer.

Differentiate between single mode and multi-mode optical fiber.

What is AWT? How does it differ from swing ?

What is meant by thread in Java? Explain its use with an example.

What is meant by interface in Java? Explain its use with an example.

What is Abstraction? How does Object Oriented Programming differ from Procedural Programming? Explain with examples.

Explain the following with the help of an example each: 
a) Binomial distribution
b) t-test for mean
c) Properties of good estimator
d) F-test for Equality of two variances

A chemical firm wants to determine how four catalysts differ in yield. The firm runs the experiment in three of its plants, types A, B, C. In each plant, the yield is measured with each catalyst. The yield (in quintals) are as follows:

(a) Perform an ANOVA and comment whether the yield due to a particular catalyst is
significant or not at 5% level of significance. Given F3,6= 4.76. (5)
(b) Construct ANOVA table for one-way classification.

A XYZ-star hotel requires a computerized system to automize its front office operations
that support the following functionalities:
 Easy input facility for new data
 Keep details about rooms, tariff, details of occupied rooms, details of unoccupied rooms, check-in
/ check-out timings, staff etc..
 Update necessary details about the room-billing, extra facilities used like gym, laundry,
STD/ISD calls made etc.
 Query support
 Report generation
Perform the following tasks:
(i) Draw the ER diagram by identifying the entities, relationships and cardinality by using
any of the drawing tools like smartdraw, dia, visio, conceptdraw etc.. Follow proper
conventions.
(ii) Create suitable database to support/accommodate all the functionalities referred above.
(iii) Using MS-Access, design various forms to support the hotels’ front office operations such as enquiry form, tariff, categories of rooms along with their category, list of vacant rooms, list of occupied rooms, list of unoccupied rooms, room-billing (which includes extra facilities also), restaurant billing, staff details, list of phone numbers, reservations etc..
(iv) Report generation like daily reports of list of vacant rooms, list of occupied rooms, onduty staff list, list of room reservations made etc.

Write a program to implement binary search tree (BST). Also, write functions to traverse the BST in In-order, Pre-order and Post-order forms.

Write a program to convert an infix expression to a postfix expression. Use appropriate data structure.

Write a program to implement a DEQUE (Double Ended Queue) using a doubly linked list.

Write a program to implement two stacks with the help of single array

Suppose A and B are two independent events, associated with a random experiment. If the probability of occurrence of either A or B equals 0.6; while probability that only A occurs equals 0.4, then determine the probability of occurrence of event B.

Write a program in C to search an input data from a set of data, stored in an array using binary search algorithm. Also, print the number of comparison operations performed for searching the given data.

Write a program in C to sort user input data using quick sort method. Also, print the number of swaps and comparison operations performed for sorting the given data set.

A Manager of a car company wants to estimate the relationship between age of cars and annual maintenance cost. The following data from six cars of same model are obtained as:

(a) Construct a scatter diagram for the data given above. 
(b) Fit a best linear regression line, by considering annual maintenance cost as the dependent
variable and the age of the car as the independent variable. 
(c) Use this regression line to predict the annual maintenance cost for the car of age 8 years

Write a program to implement doubly linked list for user inputs. Also, perform insertion and deletion operations on it.