Semiconductor Memory Questions and Answers

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Semiconductor Memory forms the core of modern digital devices, making it an essential subject for Electronics and Communication Engineering students. This page presents semiconductor memory aptitude questions and answers covering SRAM, DRAM, ROM, flash, and cache memory technologies. Understanding these topics helps candidates prepare for ISRO, DRDO, and GATE exams, where such questions are frequently asked. Practicing semiconductor memory questions with answers improves your conceptual clarity and helps you score well in electronics-based competitive and placement exams.

Semiconductor Memory

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11. What is the principal advantage of using address multiplexing with DRAM memory?

  • reduced memory access time
  • reduced requirement for constant refreshing of the memory contents
  • reduced pin count and decrease in package size
  • no requirement for a chip-select input line, thereby reducing the pin count
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12. Which type of memory retains data only as long as power is supplied?

  • Volatile memory
  • Non-volatile memory
  • Secondary memory
  • Cache memory
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13. What is the main characteristic of ROM?

  • Read-only
  • Read-write
  • Volatile
  • Temporary storage
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14. Which memory type allows both read and write operations?

  • RAM
  • ROM
  • PROM
  • EPROM
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15. What does DRAM stand for?

  • Dynamic Random Access Memory
  • Digital Random Access Memory
  • Data Random Access Memory
  • Direct Random Access Memory
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16. Which memory type is typically used for cache memory?

  • SRAM
  • DRAM
  • ROM
  • EEPROM
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17. What is the purpose of EEPROM?

  • Electrically Erasable Programmable Read-Only Memory
  • Electronically Erased Programmable Read-Only Memory
  • Electrical Erasure Programmable Read-Only Memory
  • Electronic Erasure Programmable Read-Only Memory
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18. Which memory type is non-volatile and can be programmed only once?

  • PROM
  • EPROM
  • EEPROM
  • Flash Memory
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19. What is the main advantage of flash memory over EEPROM?

  • Faster erase operations
  • Lower cost
  • Higher density
  • Lower power consumption
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20. Which memory type uses magnetic storage principles?

  • Core Memory
  • Semiconductor Memory
  • Optical Memory
  • Bubble Memory
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