The Windows ________ utility rearranges fragmented files on a hard drive in order to improve efficiency
A) Check Disk
B) Optimize Drives
C) Error Checking
D) Disk Cleanup
B
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To use stream manipulators, you should include the ________ header file.
A) stream B) f stream C) format D) Omani E) iostream
Answer the following statements true (T) or false (F)
1. The Parse methods work even if the string being converted contains an invalid numeric value. 2. You cannot assign a numeric value to a control’s Text property because only strings can be assigned to the Text property. 3. In C#, the + operator has two uses: string concatenation and numeric addition. 4. Each numeric format string can optionally be followed by an integer that indicates how many digits to display after the decimal point. 5. Rounding can occur when the number of digits you have specified after the decimal point in the format string is smaller than the precision of the numeric value. 6. To get out of break mode in Visual Studio, click the Stop Debugging button on the standard toolbar or press Shift + F5 on the keyboard. 7. If all statements in a try block execute with no exception, the catch block is skipped.
Is “main” a keyword in C++? Explain your answer.
What will be an ideal response?
Which of the following is NOT true of a Wi-Fi network?
A. Many home users set them up. B. A Wi-Fi's Internet service can be dial-up access. C. Wi-Fi networks send signals to a communications device that is connected to a high-speed Internet service. D. Many public locations are Wi-Fi hot spots.