Explanation

• Authentication (Login Program) runs before the desktop (GUI) is fully available to the user.
• It verifies the user's identity by asking for a username and password.
• After successful login, the operating system loads the user's desktop and graphical interface.
• This helps protect the computer from unauthorized access.

Verified & Updated

Explanation

• RAM stands for Random Access Memory.
• It is a type of fast, temporary computer memory.
• It is essentially short-term memory.
• It is the hardware in a computing device where the operating system (OS).

Last verified on 26-04-2026

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