Explanation

BCC (Blind Carbon Copy) hides the recipient list from others.

It helps maintain privacy when emailing multiple people at once.

Explanation

Loading the operating system into the computer's memory is called booting.

This process initializes the system and prepares it for use.

Explanation

(100000000)₂ = 1 × 2⁸ + 0 × 2⁷ + ... + 0 × 2⁰

= 2⁸

= 256

Explanation

To convert 255 to binary:

255 = 2⁷ + 2⁶ + 2⁵ + 2⁴ + 2³ + 2² + 2¹ + 2⁰

= 11111111₂

Explanation

• Email was first introduced by Ray Tomlinson.
  • Email is a digital message sent from an author to one or more recipients.
  • Ray Tomlinson sent the first e-mail message as QWERTYUIOP in 1971.
  • Unwanted emails received in a folder is called Spam.
  • Gmail is a famous email service provided by Google.
  • The latest email systems technologies are based on a store-and-forward model.
• Charles Babbage is considered the "father of the computer".
• Antonio Meucci developed a voice-communication apparatus that several sources credit as the first telephone.