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Define busy waiting and spinlock.
When a process is in its critical section, any other process that tries to enter its critical section must loop continuously in the entry code. This is known as busy waiting and this type of semaphore is also known as a spinlock, because the process whereas waiting for the lock.
What is an I/O channel? An I/O channel is actually a special purpose processor, also known as peripheral processor. The main processor initiates a transfer by passing the need
The heart of a computer is often one integrated circuit; one typical circuit is a 68Hc11 Microprocessor. Let us consider a typical 68Hc11 hardware design. The mic
What are the Input devices Various devices are available for data input on graphics workstations. Most systems have a keyboard and one or more additional devices specially desi
explain in detail about queueing process
Description Variables show values that can be changed within a procedure or function. Local scope variables are placeholders that reside within a function- or a script-body.
Syntax of $display and $strobe - $display ("format_string", par_1, par_2, ... ); - $strobe ("format_string", par_1, par_2, ... ); - $monitor ("format_string", par_1, p
Consider the following page reference and reference time strings for a program: Page reference string: 5,4,3,2,1,4,3,5,4,3,2,1,5,..... Show how pages will be allocated using t
What is .NET / .NET Framework? It is a Framework in which Windows applications might be developed and run. The Microsoft .NET Framework is a platform for building, deploying,
Paging supervisor: This part of the operating system built and manages the page tables. If the due to dynamic address translation hardware a page fault occurs exception then
What are the Barcode readers These collect data from printed barcodes and allow automatic stock control in, for illustration, supermarkets.
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