Memory Management MCQs Questions Answers

By: Prof. Dr. Fazal Rehman | Last updated: April 16, 2025

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1. Instructions fetched by the CPU according to the value of —— from memory?





2. —– is called a memory buffer and it is used to contain a speed differential.





3. The address generated by the CPU is:





4. Which of the following option is true for virtual to physical address run-time mapping?





5. —— is used to point the address of a page table in memory.





6. ——– address is always dealt with by the program.





7. ——- is contained by the page table.





8. For ——–, the page table is maintained by the Operating System.





9. The operating system is in?





10. Relocation registers are used to:





11. With limit registers and relocation, each logical address must be _______ the limit register.





12. The code that ——- is Transient operating system code.





13. The size of the operating system during program execution is ——— while using transient code.





14. Each partition may contain ________ when memory is divided into several fixed-sized partitions.





15. The degree of multiprogramming is bounded to which extent in fixed-sized partitions?





16. The strategies like the first fit, best fit, and worst fit are used to select a ______.





17. The number of ——- can be granted by the Owner of the address space.





18. To load and store the system data from memory ——- is used.





19. The stack pointer is a register that points to the:





20. To read the ———— I/O instruction transfer is used.





 

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