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What is the basic approach of page replacement?
If no frame is free is available, find one that is not currently being used and free it. A frame can be freed by writing its contents to swap space, and changing the page table to show that the page is no longer in memory.
Now the freed frame can be used to hold the page for which the process faulted.
Define user space? The system space is divided from virtual address space in which the user application programs reside. The letter space is known as user space.
create a stored procedure to debit a bank account user must enter account no. and amount to debited from account .the minimum balance in account should be 500. if the debited amoun
What are the uses of interrupts? Recovery from errors Debugging Communication among programs Use of interrupts in operating system
Define Process. Process: It is a program in execution; process execution should progress into sequential fashion. Process contains: program counter stack dat
? Nodes: A node shows any hardware component. The configuration of hardware is shown by attributes of nodes. ? Components: A component shows software. Every component straight
Explain about the Prepurchase Interaction activity. Prepurchase Interaction: This interaction for consumers comprises three activities: • Product or service search and di
Q. Calculations for a standard VGA graphics screen? Let's do the calculations for a standard VGA graphics screen (640×480) using 16 colours. Total number of Pixels = 640 ×48
Write Hit Policies: Write through o Update next level on every write o Cache is always clean o A lots of traffic to next level (mostly write) Write
What is a FIFO? FIFO is otherwise known as 'named pipes'. FIFO (first-in-first-out) is a particular file which is said to be data transient. Once data is read from named pipe,
Operand is that part of an instruction which specifies the address of source or result or the data itself on which the processor is to operate. Operand types typically give operand
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