Which one of the following expressions does not evaluate to 3?
a. 2 + 16 % 5
b. 7 - 15 / 4
c. 6 * 5 / 10
d. 2 - 4 * 3 + 26 / 2
e. 8 - 5
b. 7 - 15 / 4
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Assuming dataFile is a file stream object, the following statement:
dataFile.close(); a. is illegal in C++ b. needs a filename argument to execute cor-rectly c. closes a file d. is legal but risks losing valuable data e. None of these
In Ruby variable substitution is performed within a string by placing a variable name within what set of characters?
A. %Q{ and } B. #{ and } C. %{ and } D. { and }
Figure PPT 7-1
What is the process for displaying the dialog box shown in the accompanying figure?
A. File tab, Options, Encrypt with Password B. File tab, Info, Protect Presentation button, Encrypt with Password C. Home tab, Editing button, Encrypt with Password D. File tab, Save & Send, Change File Type, Encrypt with Password
Answer the following statements true (T) or false (F)
1. It is possible to improve pipeline performance by automatically rearranging instructions within a program so that branch instructions occur later than actually desired. 2. Interrupt processing allows an application program to be suspended in order that a variety of interrupt conditions can be serviced and later resumed. 3. An interrupt is generated from software and it is provoked by the execution of an instruction. 4. While the processor is in user mode the program being executed is unable to access protected system resources or to change mode, other than by causing an exception to occur. 5. The exception modes have full access to system resources and can change modes freely.