In the linked implementation of a stack, what type of helper function simplifies the __iter__ method?
A. binary
B. sequential
C. recursive
D. random
Answer: C
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When the number of repetitions needed for a set of instructions is known before they are executed in a program, the best repetition structure to use is a(n)
(A) Do While...Loop structure. (B) Do...Loop Until structure. (C) For...Next loop. (D) If block.
Answer the following statements true (T) or false (F)
1. A logical data flow diagram focuses on how the business operates. 2. A physical data flow diagram shows how the system will be implemented. 3. A transaction file links two processes that execute at different times. 4. Base elements are elements that need to be keyed into the system.
Complete the code fragment below so that it displays on the same line the first alphabetic letter in str and the last digit in str. You may assume that str contains at least one alphabetic letter and at least one digit.
``` int fst_let, last_dig; /* positions of first letter, last digit */ char str[30]; int i; printf("Enter a string> "); scanf("%s", str); ```
You can add the word ____ to an ip address command and configure the address as a second IP address for the interface.
A. alternative B. auxiliary C. secondary D. background