Hello can you help me with this questions i have last 20 min t 20 min

Q1 When starting a program, how is control passed to it from the operating system? Select one or more: a. jump with trace b. extracode c. return from interrupt handler IRET d. jump Q2 The mechanism for moving programs between parimary memory and mass storage is called: a. leading out b. sweeping c. swapping d. leaching Q3 On what system is it not worth using memory protection? a. One-user b. One-program c. Without OS d. Not concurrent Q4 A single-program system is one that, in principle: Select one or more: a. Allows for storing only one program in primary memory b. Runs on a uniprocessor computer c. Allows for storing only one program in mass memory d. Needs relocation