SEMAPHORE - Định nghĩa trong Từ điển tiếng Anh
semaphore (noun)
/ˈseməfɔːr/
Giải nghĩa:
A system for sending messages by holding the arms or two flags in certain positions to represent different letters.
Ví dụ:
The sailors used semaphore to send messages to the other ship.
semaphore (noun)
/ˈseməfɔːr/
Giải nghĩa:
In computing, a variable or an abstract data type that provides a simple but useful means of controlling access by multiple processes to a common resource in a parallel programming environment.
Ví dụ:
The operating system used semaphores to prevent race conditions.
Cách sử dụng
A semaphore is a system of communication that people have used for a long time. It involves using flags or other visual signals to quickly send a message from one person to another person or group of people. There are certain ways to move the flags or position them that represent different letters or words, and people who know the system can understand the message being sent. Semaphore is not used as often today, but it is still a useful way of communication in some situations, such as in the military or in maritime activities.
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