It is the fundamental storage unit in a computer system and it is large storage media that the CPU can access directly.

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The basic unit of computer storage.

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It is a way of copying information into faster storage system; main memory can be viewed as a cache for secondary storage.

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It is the year when John von Neumann proposed the Von Neuman Architecture.

• 1943

• 1944

• 1945

• 1946

Single general-purpose processor is also known as:

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It is the first code that is executed when the computer system is started.

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The process in which the CPU constantly checks the status of the device.

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Provides uniform interface between controller and kernel; manages hardware components or peripherals attached to a computer and enables them to function with the computer smoothly.

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It is a mechanism used by programs to request services from the operating system (OS).

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What type of memory retains its data when the power supply is switched off?

• 
  

  Cache memory

• Dynamic Random-access Memory (DRAM)

• Non-volatile memory

• 
  

  Volatile memory