Computer software and hardware

Computer software and hardware

1. Types of computers

   • Super Computers
     • Unimaginable amount of space
     • Incredibly fast processing speed
     • Takes up whole rooms
     • Can cost millions of pounds to build and upkeep
     • Stationary and not portable in the slightest
   • Desktop computers
     • Enough space for an average person
     • Processing speed fast enough to open programmes without waiting too long
     • takes up a desk
     • On average costs around £100
     • Not portable but rather easy to transport
   • Laptops
     • Amount of space similar to a desktop but usually less
     • Processing speed equal to desktops
     • Costs more than a desktop with the same amount of power
     • Takes up as much space as a monitor
     • Portable and works without cables
   • Tablet Computers
     • Amount of space more than a smartphone but less than a laptop
     • Processing speed similar to a smartphone but slightly better
     • Costs more than a smartphone and around the price of a slow laptop
     • Takes up as much space as a book
     • Very portable and usually carried around
   • Smartphones
     • On average the size of a hand
     • Slowest processing speed on the list but still usable
     • Can cost from £50 up to £300 on average
     • Can fit in a pocket and be taken anywhere
     • Has as much space as a USB

2. Input and output devices

   • Input
     • Keyboard
     • Mouse
     • Touchpad
     • Scanner
     • Camera
     • Graphics Tablet
     • Touchscreen
     • Joystick
     • Microphone
   • Output
     • Inkjet Printer
     • Laser Printer
     • Monior
     • Flat Bed Plotter
     • Speaker