Thread synchronization.

Froggy Jumps

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About this activity

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Created by

Gael Nieto

Mexico

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Froggy Jumps Thread synchronization.Online version ............................................................................... by Gael Nieto 1 What is a mutex primarily used for in thread synchronization? a To create new threads b To protect shared data by allowing exclusive access c To schedule CPU time for threads 2 Which synchronization primitive allows multiple readers but one writer at a time? a Barrier b Reader-writer lock c Semaphore 3 What problem arises when two threads wait endlessly for each other to release resources? a Deadlock b Starvation c Livelock 4 Which concept prevents a thread from proceeding until a condition holds true? a Mutex b Condition variable c Semaphore 5 What does a barrier synchronization primitive do? a Pauses threads until all reach the barrier b Gives priority to one thread c Locks all resources 6 Which tool helps avoid race conditions by controlling access to shared data? a Async I/O b Locks (mutexes) c sleep() calls 7 What is a race condition? a A compile-time error b A memory leak c When two threads access and modify shared data concurrently 8 Which approach minimizes contention by allowing threads to proceed without blocking? a Lock-free or wait-free algorithms b Blocking I/O c Busy-waiting 9 What is the purpose of a semaphore in synchronization? a Act as a barrier for threads b Control access with a counter to resources c Store thread priorities 10 Which technique helps prevent priority inversion in real-time systems? a Thread pooling b Priority inheritance c Spin-locking

Froggy Jumps

Thread synchronization.Online version

...............................................................................

by Gael Nieto

What is a mutex primarily used for in thread synchronization?

To create new threads

To protect shared data by allowing exclusive access

To schedule CPU time for threads

Which synchronization primitive allows multiple readers but one writer at a time?

Barrier

Reader-writer lock

Semaphore

What problem arises when two threads wait endlessly for each other to release resources?

Deadlock

Starvation

Livelock

Which concept prevents a thread from proceeding until a condition holds true?

Mutex

Condition variable

Semaphore

What does a barrier synchronization primitive do?

Pauses threads until all reach the barrier

Gives priority to one thread

Locks all resources

Which tool helps avoid race conditions by controlling access to shared data?

Async I/O

Locks (mutexes)

sleep() calls

What is a race condition?

A compile-time error

A memory leak

When two threads access and modify shared data concurrently

Which approach minimizes contention by allowing threads to proceed without blocking?

Lock-free or wait-free algorithms

Blocking I/O

Busy-waiting

What is the purpose of a semaphore in synchronization?

Act as a barrier for threads

Control access with a counter to resources

Store thread priorities

Which technique helps prevent priority inversion in real-time systems?

Thread pooling

Priority inheritance

Spin-locking

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Thread synchronization.

Froggy Jumps

About this activity

Created by

Download the paper version to play

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Froggy Jumps

Thread synchronization.Online version

by Gael Nieto

What is a mutex primarily used for in thread synchronization?

Which synchronization primitive allows multiple readers but one writer at a time?

What problem arises when two threads wait endlessly for each other to release resources?

Which concept prevents a thread from proceeding until a condition holds true?

What does a barrier synchronization primitive do?

Which tool helps avoid race conditions by controlling access to shared data?

What is a race condition?

Which approach minimizes contention by allowing threads to proceed without blocking?

What is the purpose of a semaphore in synchronization?

Which technique helps prevent priority inversion in real-time systems?

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