Volatile Memory: Memory that loses its stored data when the power supply is switched off.
Non-Volatile Memory: Memory that retains its stored data even when the power supply is switched off.
10 Most Important One-Liner MCQs
- Which memory is commonly called volatile memory? → RAM
- Which memory is non-volatile? → ROM
- Which memory is used as the computer's main working memory? → RAM
- Which memory is generally faster, RAM or Cache? → Cache
- Which memory is commonly used for CPU cache? → SRAM
- Which memory is commonly used for main memory? → DRAM
- Which memory requires periodic refreshing? → DRAM
- Which memory retains data without electricity? → Non-Volatile Memory
- Which type of memory is used for firmware storage? → ROM / Flash Memory
- Which memory is located closest to the CPU for very fast access? → CPU Registers and Cache
Smart Memory Trick
RAM = Running → Power OFF → Data Gone
ROM = Retains → Power OFF → Data Safe
Cache = Fast + Volatile