Explanation

Dot pitch refers to the distance between pixels on a monitor, affecting pixel density per inch.

It influences the sharpness and clarity of the display image.

Explanation

An Alternate key is any candidate key not chosen as the primary key.

It can still uniquely identify records, but isn't used as the main identifier.

Explanation

A student's emotional development is closely linked to their behaviour.

Emotions influence how students interact, respond to challenges, and manage relationships—key components of behavioural development.

Explanation

There are 7 basic logic gates:

1. AND
2. OR
3. NOT
4. NAND
5. NOR
6. XOR
7. XNOR

These gates form the foundation of digital electronics and computing.

Explanation

The Internal level in DBMS describes how data is physically stored in the database.

It is the closest level to the physical storage, dealing with file structures and indexes.

Explanation

In a Star topology, each node connects to a central hub or computer.

This setup simplifies troubleshooting but depends heavily on the central device.