Recognizing valid memory types Which of the following is NOT a recognized memory type designation in standard usage?

Difficulty: Easy

Correct Answer: FPROM

Explanation:


Introduction / Context:
Digital systems commonly reference memory by family names: RAM (random access memory), ROM (read-only memory), EPROM, EEPROM, and Flash. Some acronyms are informal or uncommon and can cause confusion in specifications and parts lists.


Given Data / Assumptions:

  • We compare the listed acronyms against widely used industry terms.
  • RAM, ROM, EEPROM are standard.
  • “FPROM” is not a standard, widely adopted designation; when used informally it may ambiguously refer to “Flash PROM,” but this is not a canonical device class name.


Concept / Approach:

The question asks for the nonstandard option. RAM and ROM are umbrella categories. EEPROM (Electrically Erasable Programmable Read-Only Memory) is a well-defined nonvolatile memory. “FPROM” does not represent a distinct, universally recognized memory family in formal datasheets; the accepted terms are EPROM and Flash (NOR/NAND), not “FPROM.”


Step-by-Step Solution:

Identify recognized categories: RAM, ROM, EEPROM → valid.Identify the outlier acronym lacking standard definition → FPROM.Therefore choose FPROM as NOT a standard memory type name.


Verification / Alternative check:

Component catalogs and manufacturer datasheets list SRAM, DRAM, ROM, PROM, EPROM, EEPROM, and Flash families; “FPROM” is not presented as a mainstream classification.


Why Other Options Are Wrong:

  • RAM: volatile memory umbrella (SRAM/DRAM).
  • ROM: nonvolatile family umbrella (mask ROM, PROM, EPROM, EEPROM, Flash).
  • EEPROM: established nonvolatile type.


Common Pitfalls:

  • Assuming every initialism ending with “PROM” is standard; verify with datasheets and standards.


Final Answer:

FPROM

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