Communication skills Class 9th

Unit-1 Communication Skills-I Methods of Communication Methods of Communication  1. Which of the following is a verbal method of communication?A. Hand gesturesB. Face-to-face conversationC. Body postureD. Eye contactAnswer: B. Face-to-face conversation 2. Which method uses words to convey messages?A. Verbal communicationB. Non-verbal communicationC. Visual communicationD. Written communicationAnswer: A. Verbal communication 3. Which of these is […]

Explain the usage and features of the ‘vi’ editor.

Explain the usage and features of the ‘vi’ editor. SOLUTION…. 🔹 Brief Explanation of vi Editor The vi editor is a powerful text editor in Linux/Unix systems. It is mainly used for creating and editing text files (like configuration files, scripts, and programs). It has two main modes: Command Mode – for giving commands (delete, […]

Define the term ‘Kernel’ in Linux.

Define the term ‘Kernel’ in Linux. SOLUTION…. 🔹 Brief Definition of Kernel in Linux The Kernel is the core part of the Linux operating system.It acts as a bridge between hardware and software, managing resources like CPU, memory, and devices, and ensuring that applications can run smoothly without directly dealing with the hardware. 🔹 Detailed […]

Explain different types of file systems supported by Linux with brief descriptions.

Explain different types of file systems supported by Linux with brief descriptions. SOLUTION…. Linux supports a wide variety of file systems, each designed for different use cases such as general-purpose storage, large-scale data, flash storage, or compatibility with other operating systems. Here’s a detailed yet easy-to-understand explanation: 🔹 1. Ext Family (Extended File System) The […]

What is difference between scatter, line, histogram and barcharts?

What is difference between scatter, line, histogram and barcharts? SOLUTION…. Property Scatter Line Histogram Bar Chart X-axis Type Numeric Numeric/Time Numeric Bins Categorical Y-axis Type Numeric Numeric Frequency Numeric Use Case Relationship between 2 variables Trend over time Distribution of values Comparison between categories Bars/Points Points Connected Line Touching Bars Separate Bars

What is Central Tendency measures? Describe mean, median, mode, variance, Standard Deviation.

What is Central Tendency measures? Describe mean, median, mode, variance, Standard Deviation. SOLUTION…. 1. Mean Definition: The arithmetic average of all values in a dataset. Python Example: import statistics data = [10, 15, 20, 20, 25, 30, 35] mean_value = statistics.mean(data) print(“Mean:”, mean_value) # Output: 22.142857142857142 2. Median Definition: The middle value when the data […]

Explain Select, Insert, update, delete using execute() method to interact with SQLite table.

Explain Select, Insert, update, delete using execute() method to interact with SQLite table. SOLUTION…. 1. SELECT – Retrieve data from a table. import sqlite3 conn = sqlite3.connect(‘example.db’) cursor = conn.cursor() cursor.execute(“SELECT * FROM students”) # Retrieve all rows rows = cursor.fetchall() # Fetch all results for row in rows: print(row) conn.close() 2. INSERT – Add […]

PYTHON VIVA

PYTHON VIVA Class 10th Variable – What is a variable in Python?Answer: A named memory location to store data. Loop – What is a loop?Answer: A block of code that repeats multiple times. Tuple – What is a tuple?Answer: An ordered, unchangeable collection of items. String – What is a string?Answer: A sequence of characters […]