Zastanów się, co w pierwszej kolejności należy brać pod uwagę przy wyborze rodzaju ogrzewania: koszty instalacji, bezpieczeństwo użytkowania, estetykę, koszty eksploatacji, wpływ na środowisko czy użyteczność. każdej z wymienionych pozycji nadaj odpowiednią rangę. uzasadnij swoją decyzję.

Technician a says that if a valve is open when a piston rises to the very top of a cylinder, the piston may actually strike the valve head and cause serious engine damage. technician b says if the camshaft is located in the engine block, then the engine is called an overhead valve engine, ohv engine, or an in-block camshaft. who is right? a. b only b. both a and b c. a only d. neither a nor b

Assume that there is a 4% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on three independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?

Some peer-to-peer networks have a server and some don't. true false