An electronic device, and a method for executing a plurality of processes with the electronic device, wherein, in a resource-conserving manner, rapid response times are achievable, in that the electronic device, during operation, executes first and second processes (P1, P2), of which the first processes (P1) are executable as approximate solutions (P1-A) and as detailed calculations (P1-C). The electronic device includes a processor for executing processes (P1, P2) and an electronic unit or a multitasking-capable operating system. The electronic unit includes a component, which recognizes whether the processor is active, and serves, while the processor is active and a simultaneous execution of at least two processes is required, for executing the first processes (P1), in that it, itself, determines the approximate solution (P1-A) and sets such in the place of a detailed calculation (P1-C) determined with the processor.