The probability that a single bit will be in error on a typical public telephone line using 4800 bps modem is 10 to the power -3. If no error detection mechanism is used, the residual error rate for a communication line using 9-bit frames is approximately equal to
A). 0.003
B). 0.009
C). 0.991
D). 0.999
E). None of the above
1. Given the functional dependency R → S , R is called the determinant.
2. The "Turing Machine" showed that you could use a/an _____ system to program any algorithmic task.
3. Which command in DOS can be used to recover accidentally deleted files?
4. In which tcp_wrappers file can you specify to allow all connections from all hosts?
7. Which of the following is an SQL trigger supported by Oracle?
8. Which format usually works best for photos?
9. Which of the following functions is(are) performed by the loader