What is the meaning of practical task?

How can I capture monitor screen with Apple Magic Keyboard on Windows? When you pin a document in Word to what are you pinning it? What did you like about the presentation? Which will effect resolution of video display image? How do you load the thermal paper in a CASIO DR T120 adding machine? 7500 mL equals how many L? Can Ensonic KS-32 be used as Midi controller for Pro Tools? How do to fix error code 075-451 for printer? Which peripheral port type was designed to transfer data at high speeds over a D-sub interface? What is ER diagram for timetable management system? What town or city is halfway between Morganton North Carolina and Van Buren Missouri? How can you acquire instructions on how to set the model l440? What is the average price for an USB sound card? What provides you with a window of time to safely power down your system manually or automatically when a complete power failure occurs? How do you edit a scanned picture to size 4x6? Where can I store desktop backgrounds By this I mean is there an internet site? Why are there no talking computers? What is operating control? How many gallons of water in 382 lbs? What is the main function of a printer?