Consider two files of 1,600 employee records each. The records in each fileare organized into sixteen 100-record blocks. One file is sequential access and the other isdirect access. Describe how you would append one record to the end of each file.
What will be an ideal response?
Sequential access file: Copy the original file file1 into another file file2. Write on file2a new block containing the desired record and 99 blank records. Copy file2 to the orig¬inal file file1.
Direct access file: Create a new block containing the desired record and 99 blank records. Write the new block to the file as the 17th block.
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Describe the purpose of the items after the colon (:) in this code.
In the code for HourlyEmployee that is derived from Employee, the constructor code appears What will be an ideal response? ``` HourlyEmployee:: HourlyEmployee(string theName, string theNumber, double theWageRate, double theHours ) : Employee(theName, theNumber), wageRate(theWageRate), hours(theHours) { // deliberately empty } ```
A JFrame supports three operations when the user closes the window. Which of the choices below is not one of the three:
a. DISPOSE_ON_CLOSE. b. DO_NOTHING_ON_CLOSE. c. LOWER_ON_CLOSE. d. HIDE_ON_CLOSE.
Analyze the following code.
```
#include
The ASK 1 bit has a carrier signal (positive voltage) while a 0 bit has no signal (zero voltage).
Answer the following statement true (T) or false (F)