What are the relative merits of open?loop and closed?loop data transfers? What factors would you take into account if you had to choose one over the other for a specific application?
What will be an ideal response?
An open?loop I/O system either transmits data to a receiver (output) or receives data from a transmitter (input) using a single control line, DAV, from transmitter to receiver that indicates data valid. The following diagram illustrates an open?loop output.
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Shapes can be used as containers for text
Indicate whether the statement is true or false
Answer the following questions true (T) or false (F)
1. Linked lists introduce the possibility of a privacy leak occurring. 2. A deep copy of an object is a copy that has references in common with the original object.
Enter the ifdemo.html text into a new Web page. Load this page, then describe how it behaves when you enter various grades in the text box.
Once you have done this, modify the page by replacing the if statement in the ShowMessage function with the third if statement example. Load this modified page and describe how it behaves when you enter various grades.
Answer the following statements true (T) or false (F)
1) All virtual functions in an abstract base class must be declared as pure virtual functions 2) Referring to a derived-class object with a base-class handle is dangerous. 3) A class is made abstract by declaring that class virtual. 4) If a base class declares a pure virtual function, a derived class must implement that function to become a concrete class. 5) Polymorphic programming can eliminate the need for switch logic.