Which of the following is an invalid definition?
a. string sa = "computers";
b. string sb{"computers"};
c. string sc{"c"3};
d. string sd{9, 'c'};
c. string sc{"c"3};
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Which of the following template function definitions and invocations will not compile, if any? If not, why not?
Assume that classes have been declared with appropriate default constructors and assume that
```
//a)
template
Using ____, when a device transmits a binary 0, a zero voltage is transmitted. When the device transmits a binary 1, either a positive voltage or a negative voltage is transmitted.?
A. ?Manchester B. ?bipolar-AMI C. ?differential Manchester D. ?NRZ-L
A technique used to con users into revealing their personal information is known as ________
Fill in the blank(s) with correct word
Consider a relational schema R(A, B, C, D, E) with the following functional dependencies: A ? B, BC ? E, and ED ? A.
(a) List all keys of R. (b) Is R in 3NF? (c) Is R in BCNF?