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Q. What is the Concept of Lock?
Locks are used for protected access of data in a shared variable system. There are numerous kinds of locks:
1) Binary Locks: These locks are used worldwide amongst multiple processes.
2) Deckkers Locks: These type of locks are based on distributed requests to guarantee mutual exclusion without unnecessary waiting.
Handshake control of data transfer during an input operation: . Handshake control of data transfer during an output operation o Interface to CPU and Memory o
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