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Physical Memory

Physical Memory

Definition

Physical memory, also known as RAM (Random Access Memory), is a type of computer storage that temporarily holds data and applications while a computer is running.

Characteristics

  • Volatile: Data is lost when power is turned off.
  • Fast access: Allows for quick reading and writing of data.
  • Limited capacity: Has a finite amount of storage space.
  • Temporary storage: Holds data only while the computer is running.

Types of Physical Memory

  • DRAM (Dynamic RAM)
  • SRAM (Static RAM)

Importance

  • Program execution: Programs and data are loaded into physical memory for execution.
  • System performance: Adequate physical memory is crucial for smooth system operation.
  • Multitasking: Allows multiple applications to run simultaneously.

Factors Affecting Physical Memory

  • Capacity: The amount of physical memory installed.
  • Speed: The speed at which data can be accessed and processed.
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