The main memory of the computer

Related MCQs

• In memory management : A- Fetch Policy B- Cleaning Policy C- Placement Policy: 1- It determines when a modified page should be written out to secondary memory. 2- It determines when a page should be bought into main memory. 3- It determines where in real memory a process piece is to be reside.
• Statement A : In memory management, the replacement policy deals with the selection of pages in memory to be replaced by arrived new page. Statement B: In memory management, the policy the fetch policy determines when a page should be bought into main memory.
• Match the following pairs A. Logical address(1) An actual location in main memory B. Relative address (2) An address is expressed as a location relative to some known point. C. Physical address (3) A memory location independent of the current assignment of data to memory
• In Dynamic partition of main memory in memory management, the sized of process and memory partition is
• A. Absolute Loading B. Relocatable Loading C. Dynamic Run-Time Loading; 1- It requires that a load module always be loaded into some location in main memory. 2- A load module can be located anywhere in main memory.
• A Absolute loading B Re-locatable loading C Dynamic Run-Time loading; 1. For loader, load module, either is an absolute main memory address or specific address reference. 2. For loader, load modules have no absolute address. 3. For loader, load modules have all memory reference in relative form.
• Statement A: The placement policy determines where in real memory a process piece is to reside. Statement B: The fetch policy determines when a page should be bought into main memory.
• In memory management :A-Fixed allocation policy, B-Variable allocation policy: 1-It gives a process a fixed number of frames in main memory within which to execute. 2-It allows the number of page frames allocated to a process to be varied over the life time of the process. 3-In it a number of allocated frames are decided at initial load time.
• The memory management, y one clock policy is applied then the page first loaded into a frame in memory its use bit is set to
• Which combination of the following features will suffice to characterize an OS as a multi programmed OS ? (i) More than one program may be loaded into main memory at the same time for execution. (ii) If a program waits for certain events such as I/O, another program is immediately scheduled for execution. (iii) If the execution of a program terminates, another program is immediately scheduled for execution.