Olympiad Test: High Order Thinking Skills - 5 - Class 6 MCQ

Databases are primarily used to store and manage large amounts of structured data, maintain records of transactions, and manage user information. Running complex calculations on data is more typically done using specialized software or programming languages.

Computer viruses often operate without the user's knowledge, and do not necessarily display a warning message when they infect a computer. They can replicate, spread, corrupt data, and degrade computer performance.

The safest action is to delete the suspicious email without opening it (3). Opening attachments or clicking on links could result in malware infection.

Cloud storage allows access from any device (1) and protects against local hardware failures (2). It does not increase your computer's processing speed (3).

A web browser is a software application used to access and view websites on the internet, allowing users to navigate between pages and interact with online content.

The internet is a global system of interconnected networks that use the Internet Protocol Suite (TCP/IP) to communicate between networks and devices. It is decentralized and can be accessed via various devices, not just computers. The development of the internet began in the 1960s.