Explanation

• HTML (HyperText Markup Language) is used for web designing and creating the structure of web pages.
• It defines elements like headings, paragraphs, images, links, and tables on websites.
• HTML is the basic building block of the World Wide Web.
• It works with CSS and JavaScript to create interactive websites.

Additional information:

• Developed by: Tim Berners-Lee (1991)
• Standardized by: World Wide Web Consortium (W3C)

Last verified on 22-06-2026

Explanation

• Database normalization reduces data redundancy in a database.
• It organizes data into well-structured tables.
• It removes duplicate (repeated) data.
• It improves data consistency and efficiency.
• It helps in reducing data anomalies during operations.

Last verified on 08-06-2026

Explanation

• Father of PC: Edward Roberts
• First PC: Altair 8800
• Year: 1975
• Country: USA
• Impact: Start of personal computing era

Last verified on 21-06-2026

Explanation

• OneDrive is an online cloud service.
• It is used for storing and sharing files over the internet.
• It is developed by Microsoft.
• It allows users to access data from anywhere.
• Files are saved on remote servers instead of the local device.
• It supports backup, syncing, and file sharing features.

Last verified on 21-06-2026

Explanation

• Compilation Testing is NOT a type of software testing.
• While Unit, Integration, and System testing are standard testing levels.
• Compilation is the process of converting code into machine language, not a testing phase.
• Software testing is done to find errors after or during development stages.

Last verified on 21-06-2026

Explanation

• In peer-to-peer (P2P) networking, every computer can act as a client, server, or both at the same time.
• There is no central server controlling the network.
• Each computer (peer) can share resources and communicate directly with other computers.

Last verified on 21-06-2026

Explanation

• A macro is an automated sequence of commands used to perform repetitive tasks quickly in software applications.
• It saves time by executing multiple steps with a single command.
• Commonly used in MS Word, Excel, and other office software.
• It can be recorded or programmed by the user.

Last verified on 21-06-2026

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

• A firewall’s main function is to prevent or block unauthorized access to a computer network.
• It acts as a security barrier between trusted and untrusted networks (like the internet).
• It filters incoming and outgoing network traffic based on security rules.
• It helps protect systems from hackers and unwanted access attempts.

Last verified on 10-06-2026

Explanation

• SRAM (Static RAM) is the fastest volatile memory.
• It does not need frequent refreshing like DRAM.
• It is used in CPU cache memory for high-speed processing.
• It is faster but more expensive than DRAM.

Last verified on 10-06-2026