Explanation

• An email can still be sent successfully even if the Subject field is left blank.

• Most email services display a warning asking whether you want to send without a subject.
• If you confirm, the email is sent normally.
• However, adding a subject makes the email more professional and easier to understand.

Last verified on 11-07-2026

Explanation

• CC stands for Carbon Copy.
• It is used to send a copy of an email to additional recipients.
• All recipients can see the email addresses listed in the To and Cc fields.

Additional information:

• Bcc (Blind Carbon Copy) → Sends a hidden copy; other recipients cannot see these addresses.

Last verified on 11-07-2026

Explanation

• BCC stands for: Blind Carbon Copy
• Used in: Email communication
• Purpose: Hides recipient email addresses from other recipients

Additional information:

• CC (Carbon Copy): Recipients are visible to all
• BCC: Recipients are hidden from everyone except the sender

Last verified on 16-01-2026

Explanation

• In Artificial Intelligence (AI), an agent moves from an initial state to a goal state using State-Space Search.

Common search algorithms include:

• A* (A-Star)
• BFS (Breadth-First Search)
• DFS (Depth-First Search)

These algorithms help the agent find a path or solution efficiently.

Last verified on 11-07-2026

Explanation

• Windows NT is not application software; it is an Operating System.
• It is a proprietary graphical operating system developed by Microsoft.
• The first version of Windows NT was released on 27 July 1993.
• Examples of Application Software: Microsoft Word (WinWord XP), Adobe PageMaker, MS Excel, PowerPoint, Adobe Photoshop

Last verified on 10-07-2026