This type of hand pump features a separate tube which connects the bike pump to the tire valve.
Bicycle pump valve types.
It is cheap but inefficient due to higher risk of air leaks through multiple joints.
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An integral bike pump has a hole covered with a rubber washer which fits into a bike tire valve.
There is minimal chance of air leaks making it more.
Several pump designs can handle presta valves including pumps dedicated solely to presta valves those with separate connectors for each type a unit with a reversible gasket that handles both valve types or one equipped with an adapter that converts from presta to schrader.
Because the two valve types are different they require two different types of head on a pump or as is often the case an interchangeable head.