Examlex
Data transmission channels are generally divided into two types: broadband and narrowband.
Ratios
A quantitative relationship between two numbers, showing how many times one value contains or is contained within the other.
Answering Machine
A device that automatically answers telephone calls and records messages from callers.
Weighing Balance
A device used for determining mass by balancing an unknown mass against a known standard.
Q5: A(n)_ is a device that connects a
Q30: In the context of intellectual property,which of
Q36: Which of the following statements is true
Q40: The end result of the _ phase
Q41: _ encryption usually works better for public
Q42: What is the main difference between a
Q45: In _ data transmission,multiple pieces of data
Q62: Which of the following is considered an
Q87: Extended ASCII data code allows representation of
Q92: In general,_ last the author's lifetime plus