Answer the following statements true (T) or false (F)
1) The OS may suspend a process if it detects or suspects a problem.
2) All processor designs include a register or set of registers, often known as the program status word, which contains status information.
3) The process control block is the least important data structure in an OS.
4) A process switch may occur any time that the OS has gained control from the currently running process.
5) The principal function of the OS is to create, manage, and terminate processes.
1) T
2) T
3) F
4) T
5) T
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What will be output after the following Java statements have been executed (assume all variables are of type int)? a = 4; b = 12; c = 37; d = 51;
``` if (a < b) { System.out.println("a < b"); } if (a > b) { System.out.println("a > b"); } if (d <= c) { System.out.println("d <= c"); } if (c != d) { System.out.println("c != d"); } ``` a. a < b c != d b. a < b d <= c c != d c. a > b c != d d. a < b c < d a != b
The traditional C++ approach to error handling uses a(n) ____________________ to return a specific value to indicate specific operations.
Fill in the blank(s) with the appropriate word(s).
An assortment of different chart layouts can be found in the ____.
A. Quick Layout gallery B. Chart Styles gallery C. Layout dialog box D. Chart Themes gallery
Most of these types of device include a small optical scanner for reading characters and sophisticated software to analyze what is read. What kind of device is this?
A. DCR B. ECR C. OCR D. SCR