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High level requirements (what will the computer be used for)
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   1. General purpose
   
      - Browsing the Web
      - E-mail and messaging
      - Word processing and spreadsheets, document scanning and printing
      - Photo importing, re-touching, scanning and printing
      - Light gaming
      - Playing CDs and DVDs (and perhaps Blu-rays)
      - Backing up of files
   
   2. Gaming
   
      - A range of games including the latest releases
         Some considerations include:
            * A large games (Steam) library
            * Racing games and driving simulators
            * Flying games and aircraft simulators
            * Oculus Rift or HTC Vive
      - Backing up of savegame files
      - And that required of a general purpose desktop

   3. Graphics
   
      - Adobe CC (Photoshop, Illustrator, InDesign, Premiere, After Effects, ...)
      - Pen input
      - Large, colour accurate VDU
      - Secondary VDU for palettes
      - Large format, colour accurate printing
      - Photo importing and scanning
      - Backing up of files
      - Browsing the Web and some office tasks

   4. Office
      
      - Browsing the Web
      - E-mail and messaging
      - Word processing and spreadsheets, document scanning and printing
      - High volume document scanning
      - High volume document printing
      - Backing up of files
      
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Low level requirements (what components will be needed)
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   1. General purpose
   
      - Motherboard
      - Mid-range CPU
      - 4 GB RAM
      - 60 GB SSD and 1 TB HDD
      - External backup 1 TB HDD
      - Low-range discrete GPU
      - Blu-ray reader, DVD and CD burner combination drive
      - Ethernet and Wi-Fi interfaces (on motherboard)
      - Integrated sound I/O (on motherboard)
      - Stereo speakers
      - PSU
      - Mid-tower ATX case
      - VDU 21" 1080p monitor
      - Wireless keyboard & mouse
      - USB SD-card reader
      - Consumer-grade all-in-one inkjet printer and scanner
   
   2. Gaming
   
      - Motherboard
      - Mid-range CPU
      - 8 GB RAM
      - 60 GB SSD and 2 TB HDD
      - External backup 2 TB HDD
      - High-range discrete GPU (x2 ???)
      - Ethernet interface (on motherboard)
      - Discrete sound card
      - 2.1 Speaker system
      - USB headset and microphone
      - High power PSU
      - Full-tower ATX case
      - VDU 27" 1440p VVR monitor
      - Wired mechanical keyboard & mouse
      - Flight-stick, thrust and rudder controls
      - Steering-wheel, gear-shift and pedals
      - Oculus VR Headset
      - USB SD-card reader
      - Consumer-grade all-in-one inkjet printer and scanner
      - Blu-ray reader, DVD and CD burner combination drive

   3. Graphics Workstation
   
      - Motherboard
      - High-range CPU
      - 16 GB RAM (guide is 4 GB per core)
      - 2 x 1 TB SSD in RAID-0
      - External 4 x 4 TB (16 TB) NAS
      - Graphics workstation class high-range discrete GPU
      - Blu-ray burner
      - Ethernet interface (on motherboard)
      - Integrated sound I/O  (on motherboard)
      - Stereo speakers
      - High power PSU
      - Full-tower ATX case
      - Dual 2160p (4K) monitors with >97% Adobe sRGB
      - Wired keyboard & mouse
      - USB SD-card reader
      - Graphics tablet (Wacom)
      - Wide format (36-inch) printer
      - Colour laser printer


   4. Office
   
      - Motherboard
      - Low-range CPU
      - 4 GB RAM
      - 1 TB HDD
      - External backup 1 TB HDD
      - Integrated GPU (on CPU)
      - DVD burner
      - Ethernet interface (on motherboard)
      - Integrated sound I/O (on motherboard)
      - PSU
      - Mini-tower micro-ATX case
      - VDU 23" 1080p monitor with stereo speakers
      - Wired keyboard & mouse
      - High duty-cycle, monochrome (B&W) laser printer
      - High duty-cycle document scanner