Explanation

• Demi-Official (D.O.) letters are written in the first person with a personal tone.
• They are used between government officers to discuss official matters in a friendly and informal manner.
• A D.O. letter helps speed up action on important official issues.

Last verified on 08-07-2026

Explanation

• Phishing is a cybercrime where fake emails, messages, or websites are used to steal sensitive information like passwords or bank details.
• It tricks users into believing the message is from a trusted source.
• Criminals often use social media, email, or SMS for phishing attacks.
• The main goal is identity theft or financial fraud.

Last verified on 21-06-2026

Explanation

John McCarthy is recognized as the father of Artificial Intelligence due to his astounding contribution in the field of Computer Science.

John McCarthy was an American computer scientist

Note: Artificial Intelligence is a branch of Computer science, which aims to create intelligent machines so that machine can think intelligently in the same manner as a human does.

Explanation

Python is widely considered the most common and popular language for Artificial Intelligence 

Due to its simplicity, readability, and a vast ecosystem of libraries and frameworks specifically designed for AI and machine learning tasks. 

Explanation

Generative AI became the most widely used mode of artificial intelligence in 2025.

It can create content, including text, images, music, and code.

Popular examples include ChatGPT, DALL·E,

Explanation

Helix Humanoid is an AI-driven system designed to enable human-like upper-body movements.

It is used in robotics and human-robot interaction.

This AI feature controls arms, shoulders, and torso movements.

Explanation

Embedded AI refers to AI integrated into devices to perform specific tasks.

In robotics, it allows machines to process data and act in real-time.

Unlike general AI, it is focused on task-specific intelligent behavior.

Examples include autonomous robots, smart sensors, and drones.

Explanation

• ChatGPT is a popular generative artificial intelligence (AI) tool
• To explore ideas, solve problems, and learn faster.
• Initial release: November 30, 2022
• Stable release :November 19, 2025

Explanation

• ChatGPT works primarily on conversational ability Reinforcement Learning
• Chat with the most advanced AI to explore ideas, solve problems, and learn faster.
• Developer OpenAI
• Initial release: November 30, 2022

Explanation

Supervised learning needs labeled data; unsupervised finds hidden structure unlabeled.