Operating Systems. Answer asap please

Which of the following statements are true? The hardware just provides the low-level mechanism for efficient address translation. The OS must keep track of which locations are free and which are in use, and maintain control over how memory is used. The loader in the OS sets up the logical addresses space to run the program. Logically, the program is in memory always starting at addresses 0 and ending at the maximum size. Question 3 1 pts Which of the following statements are true for segmentation? It requires more base and bounds registers than the simple base-and-bounds relocation. It has internal fragmentation issue. It has external fragmentation issue. Which of the following statements are true for base-and-bounds dynamic relocation? Base register is used for memory protection. Bounds register is used for memory mapping from logical to physical address. base-and-bounds dynamic relocation has an internal fragmentation issue. Access to the base and bounds registers is privileged