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

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

• The F1 key is used to: Help menu

Additional information:

• F4: Creates a new document 
• F2: Renames the file
• F5: Reload key
• F7: Spell check

Last verified on 06-07-2026

Explanation

• Microsoft Excel is a spreadsheet program used to organize, calculate, and analyze data efficiently.
• It is widely used in offices, schools, and businesses for data management.

Additional information:

• Allows calculations using formulas and functions.
• Can create charts, graphs, and pivot tables for data analysis.
• Supports data sorting, filtering, and visualization.

Last verified on 17-01-2026

Explanation

• Google is the largest search engine on the internet.
• It holding more than 80% of the global search market share.
• Google is a US multinational technology company that provides internet search services.
• It started as a search engine in 1997.
• It was officially founded on September 4, 1998.
• Its parent organization is Alphabet Inc.

Last verified on 02-07-2026

Explanation

• WWW stands for World Wide Web.

Additional information:

• It is an information system.
• First published: 6 August 1991
• Founder: Tim Berners-Lee in 1989.
• Birthplace: CERN near Geneva, Switzerland.

Last verified on 01-07-2026

Explanation

• ROM is commonly used to store firmware in embedded systems.
• Firmware is permanent software stored in non-volatile memory.
• ROM retains data even when power is OFF.
• It is essential for device startup and basic control functions.

Last verified on 24-06-2026

Explanation

• CPU stands for Central Processing Unit.
• It is the main part of a computer that processes all instructions.
• It is considered the brain of the computer system.
• It performs all calculations and decision-making tasks.
• It controls the operations of all hardware and software.
• It is located on the motherboard.

Last verified on 10-06-2026

Explanation

• Bit stands for Binary Digit.
• A bit is the smallest unit of data in a computer.
• Represents 0 or 1 (off/on state)
• 8 bits = 1 byte
• Used in all digital systems and computer memory.

Last verified on 08-06-2026

Explanation

• Presentation layer is responsible for encryption and decryption in the OSI model.
• It ensures data is converted into a secure and usable format.
• It handles data translation, compression, and encryption.

Last verified on 08-06-2026