What is purpose of an Ada terminateВ clause? A counting semaphore is a synchronization object that can have an arbitrarily large number of states.ДЈ0. What is a binary semaphore? What is a counting semaphore?Д«inary semaphore is a semaphore that requires only a binary-valued counter, like the one used to provide competition synchronization. The purpose of a task-ready queue is to be storage of tasks that are ready to run.Дў1. What is the purpose of a task-ready queue? Task descriptor is a data structure that stores all of the relevant information about the execution state of a task.ДЎ8. Lightweight task all run in the same address space. Heavyweight task executes in its own address space. What is a heavyweight task? What is a lightweight task? Scheduler manages the sharing of processors among the tasks.ДЎ2. Logical concurrency is multiple processors providing actual concurrency, when in fact the actual execution of programs is taking place in interleaved fashion on a single processor. Physical concurrency is several program units from the same program that literally execute simultaneously. What is the difference between physical and logical concurrency? вЂ“ Unit level (executing two or more subprogram units simultaneously)Д§. вЂ“ Statement level (executing two or more high-level language statements simultaneously) вЂ“ Instruction level (executing two or more machine instructions simultaneously) What are the three possible levels of concurrency in programs?

Concepts of programming languages 12