Engineering English
Stack Pointer
Electronics Engineering · Last updated: July 30, 2026 · How this entry was written
Definition: A dedicated CPU register that holds the memory address of the top of the current call stack. It is automatically updated during function calls and returns.
Example in context
“An unexpected interrupt can corrupt the stack pointer, leading to a return address mismatch and a system crash.”
“Beklenmeyen bir kesme, yığın işaretçisini bozabilir ve geri dönüş adresi uyuşmazlığına ve sistem çökmesine yol açabilir.”
Where engineers use it
Critical during function calls, context switches, and interrupt handling. Engineers debug stack overflows by monitoring the stack pointer in a debugger and adjusting task stack sizes.
Synonyms: SP
Practice: can you use “Stack Pointer” at work?
A junior developer reports that a firmware upgrade crashes after calling a deep nested function. Guide them to inspect the stack pointer and explain how it impacts function calls.
Show a model answer
“Always initialize the stack pointer before calling any function in embedded startup code.”
“Stack Pointer” in 21 languages
| English | Stack Pointer |
|---|---|
| Turkish | yığın işaretçisi |
| French | pointeur de pile |
| German | Stapelzeiger |
| Spanish | puntero de pila |
| Chinese | 堆栈指针 |
| Arabic | مؤشر المكدس |
| Portuguese | ponteiro de pilha |
| Russian | указатель стека |
| Japanese | スタックポインタ |
| Italian | puntatore di stack |
| Vietnamese | con trỏ ngăn xếp |
| Hindi | स्टैक पॉइंटर |
| Thai | ตัวชี้สแต็ก |
| Indonesian | penunjuk tumpukan |
| Korean | 스택 포인터 |
| Bengali | স্ট্যাক পয়েন্টার |
| Dutch | stapelaanwijzer |
| Swedish | stackpekare |
| Finnish | pino-osoitin |
| Ukrainian | вказівник стеку |
Frequently asked questions
What does Stack Pointer mean in engineering?
A dedicated CPU register that holds the memory address of the top of the current call stack. It is automatically updated during function calls and returns. In Electronics Engineering, the term carries a usage-frequency rating of 10/10 in the Engineering English library.
How do you pronounce Stack Pointer?
Stack Pointer is pronounced /stæk ˈpɔɪntər/ (IPA). The Engineering English app plays audio for the term and checks your pronunciation with speech recognition.
How is Stack Pointer used in a sentence?
Example from an engineering context: “An unexpected interrupt can corrupt the stack pointer, leading to a return address mismatch and a system crash.”
This entry is one of 7,806 terms in the Engineering English iOS app — with quizzes, spaced repetition and pronunciation checking.
Get the app on the App Store