How many digits are used in the binary number system?
What will be an ideal response?
There are two digits in the binary number system: 0 and 1.
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Would this compile? If not, what change do you need to make so that it will compile?
Which of the following statements about semaphores is true?
a) P and V operations should be indivisible operations. b) If several threads attempt a P( S ) operation simultaneously, only one thread should be allowed to proceed. c) A semaphore implementation should guarantee that threads do not suffer indefinite postponement. d) all of the above
After entering 2 in the priceJTextField and 14 in the hammersJTextField, a user clicks the JButton named calculateJButton to calculate the total price for the specified number of hammers. What is the result of the click, given the following code?
``` 1 private void calculateJButtonActionPerformed( ActionEvent event ) 2 { 3 totalPriceJTextField.setText( String.valueOf( 4 Integer.parseInt( priceJTextField.getText() ) * 5 Integer.parseInt( hammersJTextField.getText() ) ) ); 6 7 } // calculateJButtonActionPerformed ```
The ________ visually displays which cells are included in a formula calculation
A) displayed value B) cell reference C) label D) range finder