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What is Locking?
When two users at the same time attempt to access the similar data record, this is synchronized by a lock mechanism
A certain memory has a capacity of 4K × 8 (i) How many data input and data output lines does it have? (ii) How many address lines does it have? (iii) What is its capacity in bytes
The decimal equivalent of Binary number 10101 is ? Ans. 1x2 4 + 0x2 3 +1x2 2 +0x2 1 + 1x2 0 = 16 + 0 + 4 + 0 + 1 = 21.
Multiprogramming or multitasking? Ans: The OS manages the concurrent execution of many application programs to make best possible use of computer resources. This pattern of si
What is Collation Collation refers to a set of rules that verify how data is sorted and compared. Character data is sorted using rules that explain the correct character se
Dictator Dim wants to replace counting, in particular, counting the population of his land. To keep an accurate population count, Dictator Dim has instructed his secretary to add o
Target abort -computer architecture: Usually, a target holds DEVSEL# asserted through the final data phase. However, if a target desserts DEVSEL# before disconnecting without
Explain the Product of Sum Form - standard forms? The POS is the Boolean Expression containing OR terms, called as sum terms. The product denotes ANDing of these terms. F= (
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What is semaphores? A semaphore 'S' is a synchronization tool which is an integer value that, apart from initialization, is accessed only by two standard atomic operations; wa
Q. Characteristics of input- output channels? The I/O channel represents an extension of DMA concept. An I/O channel has ability to execute I/O instructions that gives complete
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