Answer the following statements true (T) or false (F)
1. To avoid destroying valid output data residing in a buffer, UNIX responds to a write
command by marking the appropriate buffer dirty.
2. UNIX implements pipes by taking advantage of its file system.
3. Under UNIX, although physical I/O may appear asynchronous, it is really synchronous.
4. Linux differs substantially from UNIX and Windows.
5. All Linux device drivers are in the kernel.
1. T
2. F
3. F
4. F
5. F
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An SQL________statement removes data from a table.
a) REMOVE. b) DESTROY. c) DELETE. d) None of the above.
Answer the following statements true (T) or false (F)
1. Writing comments should be avoided, especially for large and complex programs. 2. The indentation of statements inside methods, classes, and namespaces is a convention that virtually all programmers follow. 3. The standard Windows close button is the only way to close a running application in Visual Studio. 4. If you double-click an error message in the Error List window, the code editor will highlight and display the line of code that caused the error.
A(n) ________ is created when two wireless devices connect to each other directly
a.ad hoc network b.infrastructure wireless network c.personal area network (PAN) d.virtual private network (VPN)
A program that infects your system and runs without your knowledge is known as a(n) ________
Fill in the blank(s) with correct word