Describe echo and explain how it can be resolved.
What will be an ideal response?
If the transmitted signal is terminated or is being totally absorbed at the receiver side, it will reflected back to the transmission side. This phenomenon is called echo. Echo is mostly an issue in voice transmission and specifically when a full duplex mode is been used. Elimination of echo is possible by using echo cancellers. Almost all modems use echo canceller.
You might also like to view...
Answer the following statements true (T) or false (F)
1. An alternative to using the open member function is to use the file stream object declaration itself to open the file. 2. File output may be formatted the same way as screen output. 3. The read and write member functions of fstream objects can only work with buffers specified by pointers to char. 4. string objects cannot be stored to a binary file without further processing because they contain pointers. 5. Opening a file with the flags ios::in | ios::out will preserve the contents of the file if the file already exists.
What is an NDA?
a. Neutral data agreement b. Non-disclosure agreement c. A legal agreement to bind a party or parties to not disclose or not share specific information d. A legal agreement to bind a party or parties to disclose but not share specific information
If a class does not define constructors, the compiler provides a default constructor with no parameters, and the class’s instance variables are initialized to ________.
a. zero b. null c. their default values. d. false
A(n) ________ is a brief, parenthetical reference that you place at the end of a sentence or paragraph
A) comment B) source C) annotation D) citation