Computer Engineering Questions and Answers June 02, 2021

(Please share only working code as the past solutions are yielding several error messages. ) Using the LC3 simulator, looking to compile a program where the user must enter a password that satisfies the following criteria: o at most 12 characters and at least 8 characters o may contain only capital A through Z, * or (space) characters - The

AIM 1.1 Prepare a report on how to set the PATH variable to the java directory.,AIM 1.2 Implement a JAVA program to display Hello World on the console.,AIM 1.3 How to compile and run the above program.

Test number 3

.4 AIM Write a program to test number is prime or not.

Write a program that creates and initializes a four integer element array. Calculate and display the average of its values CODE:

AIM 2.1 Write class Box a. Define data member 1.b.h b. Define method to set the data. c. Define display method to display data member

AIM 2.2 Write class Box a. Define data member 1,b.h. b. Define default and Parameterized constructor to initialize value of data member. c. Define display method to display data member.

AIM 2.3 Write a java Program for garbage collection.

AIM 2.4 Write a java program to do sum of command line argument passed two Double numbers.

AIM 2.4 Write a java program to do sum of command line argument passed two Double numbers.

AIM 2.5 Write a test program that creates two Fan objects. One with default values and the other with medium speed, radius 6, color brown, and turned on status true. Display the descriptions for two created Fan objects.

AIM 2.6 Define time class with hour and minute. Also define addition method to add two time objects.

AIM 3.1 Write java Program for single level inheritance

AIM 3.2 Write java Program for Multilevel inheritance.

AIM 3.3 Write java program for method Overriding

AIM 3.4 Write java program to demonstrate use of dynamic method dispatch

AIM 4.2 Write java program to demonstrate the use of STATIC keyword. www

AIM 5.2 Describe abstract class called Shape which has three subclasses say Triangle, Rectangle and Circle. Define one method area() in the abstract class and override this area() in these three subclasses to calculate area for specific class object.

AIM 5.3. Write a program that illustrates interface inheritance. Interface A is extended by A1 and A2. Interface A12 inherits from both A1 and A2.Each interface declares one constant and one method. Class B implements A12.Instantiate B and invoke each of its methods. Each method displays one of the constants

AIM 7.1 Write a program to show divide by zero error through exception, and also try to catch the exception.

AIM 7.2 Write a Java program that will use try catch and Finally block.

DATABASE SYSTEM

Exercise Represent each of the following requirements with an EERER diagram O Assume that you are a database specialist for Kulliyyah of Information and Communication Technology (KICT). You are required to create a conceptual data model for Industrial Attachment Program (IAP). This program is designed for KICT students to gain industrial

Aim: Implement a Program for simple lexical analyzer using C language

Aim: Write a program to create Symbol Table for the given input file

Aim Write a program to implement recursive decent parser for the following grammar. exprterm expr term term factor term factor factor exprid

Aim Write a C program to test whether a given identifier is valid or not

Aim Write a C program to find first and follow for the given grammar.,Pseudo Code include include include

Aim Write a C program for implementing the functionalities of predictive parser for the mini language.

Aim Write a CPP program for constructing of LL (1) parsing

Aim To Study about Yet Another CompilerCompiler (YACC)

Griver deterministic a accepting following language Number of I3 even number of 0s is even. M 9, E, 90, A, 8 9 90, 9, 92, 933 0,1

What is Data Warehouse? Explain it with Key Feature.

Explain Data Warehouse Design Process in Detail.

What is Business Intelligence? Explain Business Intelligence in todays perspective.

AIM Develop an android app which displays Hello, welcome to Android Lab message. Software used Java JDK 1.8, Android Studio.

Explain meta data repository.

What do you mean by data mart? What are the different types of data mart?

AIM Develop an android app which displays a form to get following information from user. 1. Username 2. Password 3. Email Address 4. Phone Number 5. Country 6. State 7. Gender 8. Interests 9. Birth Date 10. Birth Time Form should be follow by a button with label Submit. When user click the button, a message should be displayed to user describing

Explain usage of Data warehousing for information processing, analytical processing, and data Mining.

Explain three tier data warehouse architecture in brief.

Differentiate between OLTP and OLAP systems.

What is application of concept hierarchy? Draw concept hierarchy for location (country, state, city, and street) and time (year, quarter, month, week, day). OR What do you mean by concept hierarchy? Show its application with suitable example.

AIMUsing Android, Create a login Activity. It asks username and password from user. If username and password are valid, it displays Welcome message using new activity. Software used Java JDK 1.8, Android Studio

List out the different schema of data warehouse and explain each in detail. OR Explain following design methods for multidimensional database: Star schema, Snowflake schema, Fact constellation schema. Also compare them with illustration.

Explain OLAP Operations in the Multidimensional Data Model?

Explain Types of OLAP Servers.

Define the term Data Mining. With the help of a suitable diagram explain the process of knowledge discovery from databases. OR What is Data mining? Explain Data mining as one step of Knowledge Discovery Process.

List and describe major issues in data mining. OR List Challenges to data mining regarding data mining methodology and user-interactions issues.

AIMDevelop calculator Android Application. Software used Java JDK 1.8, Android Studio PROGRAM

Explain different types of data on which mining can be performed.

Why Data Preprocessing is needed and which are the techniques used for data Preprocessing?

Explain Mean, Median, Mode, Variance & Standard Deviation in brief.

AIM Create an application that shows different country name on listview and on selecting it will show flag of that country.

What is Data Cleaning? Discuss various ways of handling missing values during data cleaning. OR Explain Data Cleaning process for missing values & Noisy data. OR Explain the data pre- processing required to handle missing data and noisy data during the process of data mining. OR List and describe methods for handling missing values in data

Explain Data Transformation Strategies in data mining.

What is Data Reduction & Explain Techniques used in data reduction.

AIM Create an application using firebase. Software used Java JDK 1.8, Android Studio, Firebase account.

Explain Apriori Algorithm with an example and also explain methods to Improve Aprioris Efficiency.

Explain Concept of Market Basket Analysis.

Write a difference between classification and Prediction. Also discuss various issues of classification and prediction.

Write a note on rule based classification.

What are neural networks? List strengths and weakness of neural network as classifier.

What is Regression? Explain Linear Regression and Non-linear Regression techniques of prediction.

Briefly outline the major steps of decision tree classification.

Explain CART Classification Method.

Write a note on Logistic Regression.

Write a short note on DB Miner /WEKA/DTREG Tools.

Why nave Bayesian classification is called nave? Briefly outline the major idea of nave Bayesian classification.

Explain and compare various attribute selection methods for decision tree construction.

Define supervised learning, training set, testing set, accuracy of classifier, sensitivity, and regression. Supervised learning:

Draw and Explain Data Analytics Life Cycle in detail.

Explain Key roles for successful analytic project by Business Analysts.

Explain Real life applications of Data Mining and Business Intelligence.

Explain Data mining for business applications like Balanced Scorecard.

Explain Clustering, Spatial mining, Web mining, Text mining in brief.

Aim Write a program to implement TicTacToe game problem.

Aim Write a PROLOGC program to solve Water Jug Problem (Show the solution path also).

Explain Big Data & Characteristics of Big Data V3s in brief.

Explain Hadoop Architecture & Storage in brief.

PRACTICAL3 Aim Write a PROLOGC program to solve the NQueen Problem.

Explain Common Hadoop Shell Commands.

AimWrite a PROLOGC program to implement 8 puzzle problem using Depth First Search.

Data mining Architecture.

Data MiningOn What Kind of Data?

Data Mining FunctionalitiesWhat Kinds of Patterns Can Be Mined?

Data Mining Task Primitives.

PRACTICAL5 Aim Write a PROLOGC program to implement 8 puzzle problem using A Algorithm.

Aim Write a program to solve 8Queens problem using Prolog.

Explain following Terms. Concept Hierarchy. Histogram.

Short Note: Distributive and Holistic, Algebraic measures (Measure of central tendency). Distributive measures:-

Aim Write a PROLOGC program to implement an Expert System of your choice.

Explain Descriptive Data Summarization.

Aim Write a PROLOGC program to solve MonkeyBanana problem.

Why Preprocess the Data? OR Explain Data Preprocessing technique.

Explain Data Cleaning.

Explain Data Transformation.

Aim Write a PROLOGC program to solve the Travelling Salesman Problem.

Data Cube, Cuboid, Dimensions, Dimension Table, Fact Table.

Aim Write a PROLOG Program to generate query based on family relationship.

what is OLAP Operations.

Three-tier Architecture of data warehousing.