Concurrency in Functional Programming

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What is a key benefit of functional programming languages?

Easier debugging
Improved code readability
Built-in support for concurrency (correct)
Faster execution speed

Which of the following is a common concurrency model in functional programming languages?

Actor model (correct)
Event-driven programming
Thread-based concurrency
Cooperative scheduling

What is a challenge of implementing concurrency in functional programming languages?

Avoiding deadlocks
Handling race conditions
Synchronizing access to shared state
Managing side effects (correct)

Which functional programming language is known for its built-in support for concurrency?

Erlang (C) Signup and view all the answers

What is a design principle that helps functional programming languages support concurrency?

Immutability (A) Signup and view all the answers

What is the purpose of the 'accept' keyword in the given task body?

To receive input from the user (B) Signup and view all the answers

What data type is expected as input for the 'Entry_1' parameter?

Float (C) Signup and view all the answers

What is the purpose of the 'begin' keyword in the given task body?

To mark the beginning of a task body (B) Signup and view all the answers

What is the name of the task defined in the given code snippet?

Task_Example (D) Signup and view all the answers

What type of control structure is used in the given task body?

Loop (C) Signup and view all the answers

What happens when a task executes to the top of the accept clause?

It waits for a message (C) Signup and view all the answers

What is a task called that has accept clauses, but no other code?

Server task (A) Signup and view all the answers

What is required for a sender to send a message to another task?

The sender must know the entry name of the receiver (A) Signup and view all the answers

What is the purpose of a queue in an accept clause?

To store waiting messages (B) Signup and view all the answers

What is a task with multiple entry points called?

A task with multiple entry points (B) Signup and view all the answers

What is the purpose of a select clause in a task with multiple entries?

To choose which entry to execute (A) Signup and view all the answers

What happens when more than one entry queue is nonempty in a selective wait?

Choose one, nondeterministically, from which to accept a message (C) Signup and view all the answers

What is the purpose of the extended accept clause?

To execute code concurrently with the caller (C) Signup and view all the answers

When are all entry queues checked in a selective wait?

When all queues are empty (C) Signup and view all the answers

What happens when all entry queues are empty in a selective wait?

Wait until a message is available in one of the queues (D) Signup and view all the answers

What is the purpose of the guard condition 'not Full(Buffer)' in the accept clause?

To prevent the buffer from being overwritten (B) Signup and view all the answers

What is the purpose of the !HPF$ PROCESSORS directive?

To declare the number of processors (B) Signup and view all the answers

What is the difference between BLOCK and CYCLIC distribution of data?

BLOCK distributes data in blocks, while CYCLIC distributes data one element at a time (D) Signup and view all the answers

What is the purpose of the !HPF$ ALIGN directive?

To relate the distribution of one array with that of another (B) Signup and view all the answers

What is the purpose of the FORALL statement?

To specify a list of statements that may be executed concurrently (C) Signup and view all the answers

What is the difference between physical concurrency and logical concurrency?

Physical concurrency uses multiple processors, while logical concurrency uses a single processor (D) Signup and view all the answers

What is the primary facility supported by High-Performance Fortran to support subprogram concurrency?

Competition synchronization and cooperation synchronization (C) Signup and view all the answers