Hardware & Software

Hardware & Software

1. Hardware

   • These are the physical and tangible parts of a computer system.
     • Internal Hardware
       • This consists of the hardware found inside the computer.
         • The Fundamental Block Diagram
       • CPU- Central Processing Unit
         • This is a chip found on the motherboard. The CPU interprets and executes commands from computer hardware and software
           • ALU - Arithmetic Logic Unit: This performs arithmetic and logical calculations
           • CU - Control Unit: Controls the input and output devices
           • RAM- Random Acess Memory : Immediate data store whilst the computer is in use
       • Motherboard
       • RAM
       • ROM
       • Sound card
       • Video card
       • HDD/SSD
     • External Hardware
       • This consistsf the hardware located outside of the computer
         • Mouse
         • Keyboard
         • Touchpad
         • Printer

2. Software

   • Systems Software
     • Programs that allow the hardware to run properly
       • Utilities
       • Operating System
       • Device drivers
       • Compilers
       • Linkers
   • Applications Software
     • Programs that allow the user to perform specific tasks
       • Spreadsheets
       • Database
       • Word Processing
       • Control/measuring software
       • Apps e.g. GPS
       • Video Editing
       • Graphics editing
       • Graphics manipulation software

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