Extra Points

• Security
• The objective of computer security includes protection of information and property from theft, corruption, or natural disaster, while allowing the information and property to remain accessible and productive to its intended users.
• Source
• Any thing of place from which something comes or is obtained, origin.
• Broadcast
• Refers to a method of transferring a message to all recipients simultaneously.
• Frame
• Is a digital data transmission unit or data packet that includes frame synchronization, for example, a sequence of bits or symbols making it possible for the receiver to dectect the beginning and end of the packet in the stream of symbols or bits.
• Update
• To bring up to date information.