Explanation

Good passwords typically contain a combination of:

• Alphanumeric characters (letters and numbers)
• Special characters (such as !, @, #, $, etc.)
• Uppercase and lowercase letters
• Numbers

Explanation

The HTML code <input type="checkbox"> is used to create a checkbox input field. This allows users to select or deselect options by checking or unchecking the box.

Explanation

 In C++, when you use a statement like StructName var;,

it tells the compiler to allocate memory for an instance of the structure StructName.

Explanation

A socket is a endpoint for communication between two devices (computer, phone, etc.) in a network. It is a 4-tuple that consists of:

1. Source IP address
2. Source port
3. Destination IP address
4. Destination port

Explanation

• In a Star Network Topology, each network node (computer, printer, etc.) is connected to a central device called a hub or switch.
• This central device acts as a connection point for all the nodes, and data transmission occurs through it. 
• This topology is called a star topology because the connections resemble a star, with the hub at the center and the nodes at the points.

Explanation

The basic digital electronic circuit that has one or more inputs and single output is known as Logic gate. 

Explanation

Enter Key is also called Return Key.

Explanation

The type of software that is used to control a computer is known as the operating system (OS). 

Explanation

Address consists of text (street, city, etc.).

It is non-numerical.

Marks, bank balance, and roll number are numerical values.

Explanation

Work and tumble: This term refers to the process of turning the sheet over and printing on the opposite side.