Which line in the following program will cause a compiler error?
```
1 #include
2 using namespace std;
3 int main()
4 {
5 int number = 5;
6 if (number >= 0 && <= 100)
7 cout << "passed.\n";
8 else
9 cout << "failed.\n";
10 return 0;
11 }
```
a. line 3
b. line 6
c. line 7
d. line 9
e. None will cause an error
b. line 6
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train protection system automatically applies the brakes of a train if the speed limit for a segment of track is exceeded or if the train enters a track segment that is currently signalled with a red light (i.e. the segment should not be entered). Details are shown in Figure 20.19. Identify the stimuli that must be processed by the on-board train control system and the associated responses to these stimuli.
What will be an ideal response?
What is the output of the following code?
``` public class Test { public static void main(String[] args) { new Person().printPerson(); new Student().printPerson(); } } class Student extends Person { private String getInfo() { return "Student"; } } class Person { private String getInfo() { return "Person"; } public void printPerson() { System.out.println(getInfo()); } } ``` a. Person Person b. Person Student c. Stduent Student d. Student Person
____________________ mode means that your communications circuit lasts for the duration of the communications session and is used exclusively by the two connected devices until it is terminated.
Fill in the blank(s) with the appropriate word(s).
A2+A3 is not a formula because the ________ sign is missing
Fill in the blank(s) with correct word