Hardware

Hardware

1. the physical parts of a computer

2. keywords

   • software
     • the software and programs that are used by a computer
   • CPU
     • short for central processing unit: it processes instructions given by a computer
   • GPU
     • short for graphics processing unit: this is the main unit responsible for rendering images, animations and videos
   • buses
     • control
       • carries control signals around the CPU
     • address
       • carries memory addresses for locations to be read from or written to
     • data
       • carries data between the CPU and memory
   • control unit
     • a component of the CPU that directs it's operations
   • ALU
     • arithmetic and logic unit: it's where calculations are done
   • embedded system
     • a computer system within a larger device to control it's function
   • General purpose computer
     • performs most common computing tasks
   • accumulator
     • a register of the cpu in which intermediate arithmetic and logic results are stored
   • MAR
     • memory address register: stores memory address from which data will be fetched from
   • MDR
     • memory data register: stores data being transferred from and to the immediate access storage

3. von neumann architecture

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