Any program, no matter how complicated, can be constructed using one or more of only four structures.
Answer the following statement true (T) or false (F)
False
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Explain how the example concurrent program that enforces mutual exclusion with testAndSet could lead to indefinite postponement. Indicate why this possibility would nevertheless be highly unlikely. Under what circumstances would it be acceptable to use this mutual exclusion technique? Under what circumstances would it be completely unacceptable?
What will be an ideal response?
Identify and correct the error(s) below:
The following code should set a JSpinner’s range to include the even numbers from 2–100. The initial value on the JSpinner should be 2. ``` 1 yearsJSpinner = new JSpinner( 2 new SpinnerNumberModel( 100, 2, 100, 1 ) ); 3 yearsJSpinner.setBounds( 2, 2, 100, 100 ); 4 contentPane.add( yearsJSpinner ); ```
To prevent signals from colliding on the bus, ________ prioritize(s) access to memory by I/O channels and processors.
a) a register b) interrupts c) the processor scheduler d) a controller
In a database table, field names can be up to ________ characters long
A) 64 B) 128 C) 32 D) 18