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ROM, PROM, EPROM, EEPROM and Firmware | ROM, PROM, EPROM, EEPROM और फर्मवेयर

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ROM - Read Only Memory / रीड ओनली मेमोरी

ROM is a form of non-volatile memory used to store information that should remain available even when power is switched off. In competitive examinations, ROM is commonly contrasted with RAM. RAM is temporary and volatile, while ROM is generally associated with permanent or semi-permanent instructions.

ROM का full form Read Only Memory है। यह non-volatile memory होती है, जिसका data power supply बंद होने के बाद भी सुरक्षित रह सकता है। Competitive examinations में RAM और ROM के बीच अंतर frequently पूछा जाता है। RAM volatile और temporary है, जबकि ROM permanent instructions से जुड़ी होती है।

PROM / प्रोग्रामेबल रीड ओनली मेमोरी

PROM stands for Programmable Read Only Memory. It can be programmed after manufacture, but in the traditional form once programmed, the stored information is not normally changed through ordinary operation.

PROM का full form Programmable Read Only Memory है। इसे manufacturing के बाद program किया जा सकता है। Traditional PROM में program हो जाने के बाद information को सामान्य रूप से modify नहीं किया जाता।

EPROM / इरेजेबल प्रोग्रामेबल ROM

EPROM stands for Erasable Programmable Read Only Memory. It can be erased and reprogrammed. Traditional EPROM devices are associated with ultraviolet light for erasing stored information before reprogramming.

EPROM का full form Erasable Programmable Read Only Memory है। इसे erase करके दोबारा program किया जा सकता है। Traditional EPROM में stored information erase करने के लिए ultraviolet light का उपयोग किया जाता था।

EEPROM / इलेक्ट्रिकली इरेजेबल PROM

EEPROM stands for Electrically Erasable Programmable Read Only Memory. Unlike EPROM, which is associated with ultraviolet-light erasure, EEPROM can be erased and rewritten electrically. This makes it more convenient for storing configuration or firmware-related information that may occasionally need updating.

EEPROM का full form Electrically Erasable Programmable Read Only Memory है। EPROM के विपरीत EEPROM को electrical method द्वारा erase और rewrite किया जा सकता है। इसलिए इसे configuration और firmware-related information के लिए उपयोग किया जा सकता है।

Firmware / फर्मवेयर

Firmware refers to software instructions stored within hardware-oriented non-volatile memory. It provides low-level control or operational instructions for electronic devices. The source material associates BIOS with firmware, making this distinction especially important for examinations.

Firmware ऐसे software instructions को कहा जाता है जो hardware-oriented non-volatile memory में stored होते हैं। यह electronic devices को low-level operational instructions प्रदान करता है। Source material BIOS को firmware category से जोड़ता है।

ROM vs RAM / ROM और RAM

RAM is volatile, read-write working memory and loses contents when power is removed. ROM is non-volatile and retains information without continuous electrical power. RAM is mainly used for active processing, while ROM is more closely associated with fixed or persistent instructions.

RAM volatile working memory है और power बंद होने पर data खो देती है। ROM non-volatile होती है और power के बिना भी information retain कर सकती है। RAM active processing के लिए और ROM fixed या persistent instructions के लिए अधिक महत्वपूर्ण है।

Exam Revision / परीक्षा पुनरावृत्ति

PROM = programmable once in traditional usage; EPROM = erasable using ultraviolet light; EEPROM = electrically erasable; ROM = non-volatile; firmware = instructions stored in hardware-oriented memory. These distinctions are common sources of MCQs.

PROM = programmable; EPROM = ultraviolet light से erasable; EEPROM = electrically erasable; ROM = non-volatile; Firmware = hardware में stored operational software। इन distinctions को याद रखना आवश्यक है।



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