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Q150 (CISF/2021) Science & Technology › ICT, AI, Cybersecurity & Emerging Tech

Which one of the following memories is used to store data permanently?

Explanation

Computer memory is generally categorized into primary and secondary memory based on its volatility and purpose. Secondary memory (also known as auxiliary memory) is used to store data permanently. It is non-volatile, meaning it retains stored information even when the power is turned off. Common examples include Hard Disk Drives (HDDs), Solid State Drives (SSDs), Pen drives, and Magnetic Tapes.

  • Primary Memory (Main Memory) is typically volatile, meaning it loses data when power is lost.
  • Random Access Memory (RAM) is a type of primary memory used for temporary data storage while the CPU is processing tasks.
  • Cache Memory is a very high-speed volatile memory used to store frequently accessed data to speed up CPU operations.
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