In the e-mail address shown in the accompanying figure, the component marked 1 is known as the user name.
Answer the following statement true (T) or false (F)
True
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The code for implementing the operation void push(String x) can be written as
A stack based on a linked list is based on the following code ``` class Node { String element; Node next; Node(String el, Node n) { element = el; next = n; } } Node top = null; ``` A) top = new Node(x, top); B) if (top == full) throw new RuntimeException("Overflow"); else top = new Node(x, top); C) top.add(x); D) top = add(Node x);
Bing takes a(n) ____ approach to search.
A. exponential B. logarithmic C. trigonometric D. semantic
?In a data flow diagram (DFD), the Gane and Sarson symbol for a process is a _____.
A. ?rectangle with rounded corners B. ?line with a single or double arrowhead C. ?flat rectangle that is open on the right side and closed on the left side D. ?rectangle, which may be shaded to make it look three-dimensional
Describe the purpose of a disaster recovery plan.
What will be an ideal response?