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computer science
Assembly Language
1. In a virtual memory scenario, which is true: (a) When all frames are occupied, no new pages can be brought in until a program finishes (b) If the dirty bit is set to “Y”, a page cannot be swapped out (c) The entire program must be loaded into memory at once (d) Only those pages which are needed for execution are loaded into frames (e) Each frame can have its own unique size 2. In a variable partition multiprogramming environment: (a) There is no memory fragmentation issue since programs only get as much memory as needed (b) When memory becomes fragmented, it is impossible to run any programs (c) When memory becomes fragmented, the operating system regains space via compaction (d) If there are three partitions of 2 KiB each, it is not possible to run a 5 KiB program (e) Only the necessary pages for execution are loaded into memory