Explanation

• Email stands for Electronic Mail.
• It is a method of sending and receiving digital messages through the internet.
• The term electronic mail has been used with its modern meaning since 1975.
• The shorter form E-mail became common around 1979.

Additional information:

Parts of a valid email address:

1. Email Prefix
2. Email Domain

Address: example@mail.com

1. example = Email Prefix
2. mail.com = Email Domain

Last verified on 16-06-2026

Explanation

• In a database, columns are called Fields or Attributes.
• A field represents a single type of data in a table (like Name, Age).
• Each column stores a specific attribute of records.
• Fields define the structure of the database table.

Additional information:

• In a database, rows are called Records or Tuples.

Last verified on 24-06-2026

Explanation

• Base (Radix): 2
• Digits used: 0, 1
• Used in: Computers, programming, digital circuits
• Each digit is called a bit (binary digit)
• Example: 1011₂

Last verified on 07-06-2026

Explanation

• Bluetooth is a Personal Area Network (PAN) technology used for short-range communication.
• It connects devices within a range of about 10 meters.
• It is commonly used in headphones, mobile phones, and laptops.
• It works without cables using wireless signals.

Last verified on 24-06-2026

Explanation

• A website cookie is used to track and remember user preferences and browsing activity.
• It helps websites recognize returning users.
• It stores small data like login info, settings, and preferences.
• It improves user experience by personalizing content.

Last verified on 24-06-2026