Explanation

• DROP TABLE command is used in SQL to permanently remove a table from the database.
• It deletes the table structure along with all its data.
• Unlike DELETE, it removes the entire table, not just records.

Last verified on 23-06-2026

Explanation

• Solid-State Drive (SSD) has no moving or rotating parts, making it highly shock-resistant.
• It uses flash memory chips to store data electronically.
• SSDs are much faster and more durable than traditional hard drives.

Last verified on 23-06-2026

Explanation

• Regression Testing checks that new changes do not break or damage existing code.
• It ensures previous features, design, and functionality remain stable.
• It is mainly used after updates or bug fixes.

Last verified 23-06-2026

Explanation

• Quick Sort is the fastest in the average case among the given options.
• It has an average time complexity of O(n log n).
• It uses a divide-and-conquer strategy to sort data efficiently.

Last verified on 23-06-2026

Explanation

• Data compression decreases the file size by reducing redundant data.
• It helps in storing and transmitting data more efficiently.
• Compressed files use less storage space.
• It improves file transfer speed over networks.
• Data can usually be restored after decompression.

Last verified on 23-06-2026

Explanation

• Manual data processing is NOT a characteristic of cloud computing.
• Cloud computing works automatically without manual handling of data.
• It provides services like storage, processing, and software over the internet.
• It is based on automation and remote servers.

Last verified on 23-06-2026

Explanation

• A single row(s) in a database table is called a record(s) or tuple(s).
• It represents a complete set of related data about one entity.
• Each record contains multiple fields (columns).
• Records store information about a single entity (e.g., one student).
• It is a basic unit of data storage in databases.

Additional information:

• In a database, columns are called Fields or Attributes.

Last verified on 12-04-2026

Explanation

• Integration Testing is used to combine and test old and new system components together.
• It checks whether different modules or systems work properly when connected.
• This testing focuses on data flow and interaction between systems.
• It is done after unit testing and before system testing.

Last verified on 23-06-2026

Explanation

• The Turing Test checks whether a machine can exhibit human-like intelligence.

Additional information:

• Proposed by: Alan Turing
• Year: 1950
• Field: Artificial Intelligence (AI)
• Purpose: To test machine intelligence
• Method: Human judge interacts via text and identifies machine vs human

Last verified on 23-06-2026

Explanation

• DNS (Domain Name System) is the protocol/service that resolves domain names into IP addresses.
• It converts easy-to-remember website names (e.g., google.com) into numerical IP addresses used by computers.
• Port used: 53
• Protocol type: Application layer protocol
• DNS was introduced in 1983 by Paul Mockapetris.

Last verified on 23-06-2026