Semiconductor Memory Questions and Answers
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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31 questions
21. What is the typical access time range for semiconductor memories?
- Nanoseconds
- Microseconds
- Milliseconds
- Seconds
22. Which factor determines the data retention capability in DRAM?
- Refresh cycle
- Power supply voltage
- Temperature
- Access time
23. What is the main difference between SRAM and DRAM?
- SRAM uses flip-flops, DRAM uses capacitors
- SRAM is slower than DRAM
- SRAM requires refresh cycles
- DRAM has higher density than SRAM
25. What does the term "random access" mean in RAM?
- Any location can be accessed directly
- Sequential access only
- Random data generation
- Unpredictable access patterns
27. What is the purpose of refresh cycles in DRAM?
- Maintain data in capacitors
- Increase access speed
- Reduce power consumption
- Clear memory contents
28. Which memory type is volatile and requires constant power?
- RAM
- ROM
- PROM
- EPROM
29. What is the storage capacity unit typically used for semiconductor memories?
- Bits
- Volts
- Ohms
- Hertz
30. Which memory type can be erased using UV light?
- EPROM
- EEPROM
- Flash Memory
- PROM