<span>When using the wait and signal operations, Wait sets the process's process control block to the blocked state and links it to the queue of processes waiting to enter this particular critical region.</span>
<span>The <em><u>message box</u></em> method displays a message to the user and contains one button.</span>
Answer: object that persist set of values and operations as behavior
Explanation: Abstract data types(ADT)are those object value which are dependent upon the collection of the values and collection of the operations.The organization of the data object is not specified in ADT but the operations that are to be carried out are defined in it.
The implementation individuality displayed by the ADT and hiding of the representation or design makes it abstract.
Answer:
Answer is B: Early silent film producers used many of the same acting techniques popularized in vaudeville performances, even using popular vaudeville stars as actors in their productions.
Explanation: