Explanation

• Junk email is unwanted and unsolicited email sent in bulk.
  • It is commonly used for ads, scams, or fake promotions.
  • The standard other name for junk email is Spam.

Additional information:

• Spoof means pretending to be another sender (email spoofing).
• Spam filters are used in email services to automatically block junk mail.

Last verified on 16-02-2026

Explanation

• Every valid email address must contain the @ (at) symbol.
• It separates the username from the domain name.
• Without @, an email address is invalid and cannot work.

Last verified on 16-02-2026

Explanation

SMTP  is the standard protocol used to send emails across the internet.

SMTP stands for Simple Mail Transfer Protocol.

Last updated 15-feb-2026

Explanation

• RAM (Random Access Memory) directly affects multitasking performance.
• More RAM lets the computer run many applications at the same time smoothly.
• Banking systems with multiple open programs rely heavily on available RAM.
• Insufficient RAM causes slowdowns and lag.

Last verified on 16-02-2026

Explanation

A gateway is the primary network device designed to connect two or more networks

Use different, incompatible, or disparate protocols.

Acting as a protocol converter or "translator," 

It acts as a translator between systems so they can communicate effectively.

Last updated 15-feb-2026