is a process that prevents multiple threads or processes from accessing shared resources at the same time.

Related MCQs

• In Casual consistency model all processes shared accesses in
• RPC works between two processes. These processes may be:
• A client gets a timestamp of 4:12:30.500 from a time server. The elapsed time between the request and response was 20 msec (0.020 sec). The current time on the client is 4:12:30.510. Using Cristian’s algorithm, what is the time set to on the client?
• Absolute time ordering of all shared accesses matters in
• A process that is based on IPC mechanism which executes on different systems and can communicate with other processes using message based communication, is called ________
• In which type of streaming multimedia file is delivered to the client, but not shared?
•                  consistency is that write operations by the same process are performed in the correct order everywhere.
• How is access to resources of various machines is done?
• Message passing provides a mechanism to allow processes to communicate and to synchronize their actions
• If processes p and q both receive messages m and m', then p receives m before m' if and only if q receives m before m'.The order delivery is called