Question
Download Solution PDFWhich of the following are popular models of concurrent programming?
(a) Shared memory
(b) Branch and bound
(c) Message passing
(d) Event-driven
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is Option 4) (a) and (c) only.
Key Points
- There are two primary models of concurrent programming:
- Shared Memory Model: Multiple processes/threads communicate by reading and writing to shared variables or memory regions.
- Message Passing Model: Processes communicate by sending and receiving messages, useful in distributed systems where memory isn't shared.
- These models form the core of designing concurrent or parallel programs across systems and architectures.
Additional Information
- (b) Branch and Bound: ❌ It is an algorithm design paradigm for optimization problems, not a concurrency model.
- (d) Event-driven: ❌ It is a design paradigm based on responding to events (like GUI or asynchronous I/O), and not specifically a concurrency model.
Conclusion: (a) Shared Memory and (c) Message Passing are the correct and popular models for concurrent programming.
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