Hello can u help me with this questions please ? i have last 20 min

The microkernel of the operating system performs the following role: Select one or more: a. Synchronizes processes b. It receives interrupts and routes them to the appropriate drivers and other layers of the system c. Runs programs Q2 The effective address is also: Select one or more: a. Logical address b. Absolute address c. Physical address d. Indirect address Q3 The main function of shared memory is: a. inter-process communication b. use working memory efficiently c. inter-process synchronization d. inter-process scheduling Q4 For address translation, the following is used: Select one or more: a. translation register b. index table c. reference and protection bits d. associative translation buffer