semaphore background

semaphore

/ˈsɛməfɔː/ /ˈsɛməˌfɔɹ/

Illustration semaphore - Image 1

noun

إشارة ضوئية، نظام إشارات

Any equipment used for visual signalling by means of flags, lights, or mechanically moving arms, which are used to represent letters of the alphabet, or words.

Examples :

"The construction crew used a semaphore with brightly colored flags to guide the crane operator. "

استخدم طاقم البناء إشارة ضوئية بأعلام ملونة زاهية لتوجيه مشغل الرافعة.

communication technology nautical signal machine military device

Illustration semaphore - Image 1

noun

إشارة ضوئية، إشارة يدوية

A visual system for transmitting information using the above equipment; especially, by means of two flags held one in each hand, using an alphabetic and numeric code based on the position of the signaller's arms; flag semaphore.

Examples :

"The sailors used semaphore to send a message from ship to shore because their radio was broken. "

استخدم البحارة الإشارة الضوئية لإرسال رسالة من السفينة إلى الشاطئ لأن جهاز الراديو الخاص بهم كان معطلاً.

communication technology signal nautical military system sign writing

Illustration semaphore - Image 1

noun

إشارة ضوئية

A bit, token, fragment of code, or some other mechanism which is used to restrict access to a shared function or device to a single process at a time, or to synchronize and coordinate events in different processes.

Examples :

"The thread increments the semaphore to prevent other threads from entering the critical section at the same time."

تزيد السلسلة الإشارية لمنع سلاسل أخرى من الدخول إلى القسم الحرج في نفس الوقت.

computing technology process signal communication device system function

Illustration semaphore - Image 1

verb

أشار، أرسل إشارات

To signal using, or as if using, a semaphore, with the implication that it is done nonverbally.

Examples :

"From across the noisy playground, the teacher semaphoreed to the children to line up. "

من الجانب الآخر من الملعب الصاخب، أشار المعلم إلى الأطفال بالاصطفاف.

communication signal nautical military