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Computer Science / Informatics Practices

NCERT Class 12 — Python programming, data structures, databases, networking, cyber-ethics.

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Q1 · Computer Science / Informatics Practices · EASY
In Python, which of the following statements will correctly create a dictionary with keys 'name' and 'age' having values 'Rahul' and 18 respectively?
Q2 · Computer Science / Informatics Practices · MEDIUM
A database table 'EMPLOYEE' has columns EMP_ID, NAME, SALARY, and DEPARTMENT. Which SQL query will retrieve the names of all employees working in the 'Sales' department with salary greater than 50000?
Q3 · Computer Science / Informatics Practices · HARD
What will be the output of the following Python code? def func(x, y=[]): y.append(x) return y print(func(1)) print(func(2)) print(func(3, []))
Q4 · Computer Science / Informatics Practices · MEDIUM
Which of the following is an example of a cyber-ethics violation?