Is EPROM still used today?

Rarely. It has been almost entirely replaced by EEPROM and flash memory, which are easier to erase and reprogram electrically. It might be found in very old equipment or specific legacy systems.

How do you pronounce 'EPROM'?

It is pronounced by saying each letter: 'E' (as in 'see'), 'P', 'R', 'O', 'M'. The stress is typically on the first syllable: /ˈiː.prɒm/.

What does the 'E' in EPROM stand for?

It stands for 'Erasable'. The full acronym is Erasable Programmable Read-Only Memory.

Can an EPROM be reprogrammed multiple times?

Yes, but with limitations. The erasing process using UV light degrades the chip over time. A typical EPROM might withstand 100 to 1000 erase/program cycles before failing.

eprom

Low

UK/ˈiːprɒm/US/ˈiːprɑːm/

Technical

My Flashcards

Definition

Meaning

A type of programmable read-only memory chip that can be erased by exposure to ultraviolet light and reprogrammed.

A non-volatile memory chip used in electronics, allowing data to be retained when power is off; also refers historically to a technology largely superseded by EEPROM and flash memory.

Linguistics

Semantic Notes

EPROM is a specific technology acronym (Erasable Programmable Read-Only Memory); it is primarily used as a countable noun. Its use is confined to electronics, computing, and engineering contexts. It often implies a historical or legacy component in modern discourse.

Dialectal Variation

British vs American Usage

Differences

No significant differences in meaning or usage. Pronunciation of the individual letters (E-P-R-O-M) follows standard national patterns for letter names.

Connotations

None specific to region.

Frequency

Equally low in both dialects, confined to technical fields.

Vocabulary

Collocations

strong

UV-EPROMEPROM programmerEPROM chiperase an EPROMprogram an EPROM

medium

EPROM memoryold EPROMsocketed EPROM

weak

data in EPROMcode on EPROMreplace the EPROM

Grammar

Valency Patterns

VERB + EPROM (program/erase/read/socket an EPROM)ADJECTIVE + EPROM (UV-erasable EPROM, 256K EPROM)EPROM + VERB (EPROM contains/stores/retains data)

Vocabulary

Synonyms

Strong

EEPROM (Electrically Erasable PROM)flash memory (modern successor)

Neutral

memory chipprogrammable ROM

Weak

firmware storagenon-volatile memory

Vocabulary

Antonyms

RAM (Random Access Memory)volatile memory

Phrases

Idioms & Phrases

“[None specific to this technical term]”

Usage

Context Usage

Business

Rare; only in procurement or specification documents for legacy hardware.

Academic

Used in electronics engineering, computer architecture, and computing history courses.

Everyday

Virtually never used.

Technical

Core term in electronics design, embedded systems, and hardware repair, though increasingly historical.

Examples

By Part of Speech

verb

British English

The engineer needed to eprom the new firmware onto the legacy controller.

American English

We'll have to EPROM that configuration data before assembling the board.

adverb

British English

[No standard adverbial use]

American English

[No standard adverbial use]

adjective

British English

The EPROM programmer was left on the lab bench.

American English

We found an EPROM-based solution in the old design files.

Examples

By CEFR Level

This is a computer chip.

Old game consoles often used special chips to store the game.

To update the firmware on the old device, they had to remove and reprogram a memory chip called an EPROM.

The developer used a UV eraser to clear the EPROM before burning the corrected microcode, a process made obsolete by modern flash memory.

Learning

Memory Aids

Mnemonic

EPROM: Erase it with UV light, Program it with data, Read it often, Off it stays, Memory that's permanent.

Conceptual Metaphor

A RE-WRITABLE BOOK: Data is written (programmed), the book is 'forgotten' by shining a special light on it (erased), and then new information can be written in.

Watch out

Common Pitfalls

Translation Traps (for Russian speakers)

Не переводить как "эпром" в техническом тексте, лучше использовать английскую аббревиатуру EPROM или транслитерацию "ЭППЗУ" (стираемое программируемое постоянное запоминающее устройство).
Не путать с "EEPROM" (ЭСППЗУ), которая стирается электрически, а не ультрафиолетом.

Common Mistakes

Pronouncing it as a single syllable (e.g., 'ee-prom'). It is an initialism, pronounced letter-by-letter: 'E-P-R-O-M'.
Using 'an EPROM' incorrectly with a soft 'E' sound; use 'an' because the letter 'E' is pronounced with an initial vowel sound (/iː/).
Confusing EPROM with the more common EEPROM or flash memory.

Practice

Quiz

Fill in the gap

Before flash memory was common, engineers would use a to hold firmware, which could be erased with ultraviolet light.

Multiple Choice

What is the primary characteristic that distinguishes a standard EPROM from an EEPROM?

FAQ

Frequently Asked Questions

: Rarely. It has been almost entirely replaced by EEPROM and flash memory, which are easier to erase and reprogram electrically. It might be found in very old equipment or specific legacy systems.
: It is pronounced by saying each letter: 'E' (as in 'see'), 'P', 'R', 'O', 'M'. The stress is typically on the first syllable: /ˈiː.prɒm/.
: It stands for 'Erasable'. The full acronym is Erasable Programmable Read-Only Memory.
: Yes, but with limitations. The erasing process using UV light degrades the chip over time. A typical EPROM might withstand 100 to 1000 erase/program cycles before failing.