Questions with Complete Solutions - Hamro CSIT

Write a program that divides the frame into five regions by using border layout and then add panels in the east, north and center region. Finally add some descriptive label in the north panel, buttons with icon in the east panel and a sample form in the center panel. You can further subdivide the center panel, if necessary. Prepare a program with three text boxes First Number, Second Number, and Result and four buttons add, subtract, multiply and divide. Handle the events to perform the required operation and display results.

Not Answered Advanced Java Programming

Why is multithreading important? Explain thread life cycle with proper state diagram. Write a program that reads data of employees from the keyboard and write it into the file emp.doc using proper exception handling with try…catch blocks.

Not Answered Advanced Java Programming

What is Cube materialization? Define Full cube, Iceberg cube, closed cube and Shell cube.

Not Answered Data Warehousing and Data Mining

What is data integration? What is data reduction? Why is data preprocessing important?

Not Answered Data Warehousing and Data Mining

What is KDD? Explain with a suitable block diagram.

Not Answered Data Warehousing and Data Mining

What is a data warehouse? How is it different from a database? What is data mart?

Not Answered Data Warehousing and Data Mining

List the properties of hash function. Describe the algorithm for SHA-1.

Not Answered Cryptography Asked on 2082 Exam

Decrypt the ciphertext “HI” using Hill Cipher where the key is [5 3; 4 3].

Not Answered Cryptography Asked on 2082 Exam

Define overfitting and under fitting. Train the decision tree classifier using the ID3 algorithm based on the following training data.

TID Age Car Type Class

1 ≤30 Family High

2 ≤30 Sports High

3 >30 Sports High

4 >30 Family Low

5 >30 Truck Low

6 ≤30 Family High

Not Answered Data Warehousing and Data Mining Asked on 2081 Exam

Using k-means++ algorithm and Euclidean distance, find the initial 3 cluster centroids from A1 = (3, 11), A2 = (3, 6), A3 = (9, 5), A4 = (6, 9), A6 = (7, 5), A7 = (2, 3), A8 = (5, 10). Choose (3, 11) as one of the initial centroids.

Not Answered Data Warehousing and Data Mining Asked on 2081 Exam

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