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Explain Readers-writers problem.
Readers-writers problem: Assume that a data object (as a file or record) is to be shared between several concurrent processes. The readers are processes which are interested in only reading the content of shared data-object. Writers are the processes which may need to update (i.e. to read and write) the shared data object. No adverse effects will result, if two readers access the shared data object simultaneously. Though, if a writer and some other process (either a writer or reader) access the shared object concurrently, anomaly may arise. To make sure that these difficulties do not occur, writers are needed to have exclusive access to the shared object. Such synchronization problem is referred to as the problem of readers-writers.
Q. Define Colour Depth in graphic display system? It is clear that an image contains an array of pixels. If we tell which pixels are 'off' and which are 'on' to the monitor, i
Which 802 standard provides for a collision free protocol? 802.5 standard gives for a collision free protocol.
Six machines H1, H2, ..., H6 are linked by two Ethernet switches SW1 and SW2 as given below. Both switches have four ports drawn. The port numbers are as indicated. Suppose the two
Explain the raster scan monitors The refresh process must also be performed for raster scan monitors. Most television monitors are raster scan display devices : one scan-line a
Register-to-Register Architecture In this organization results and operands are not accessed straight from main memory by scalar or vector registers. The vectors that are neede
Binary Search Now that the basic framework is working, it is time to begin implementing a few alternative search functions. Each of these search algorithms have strengths and
Define Flash Memory. It is an approach same to EEPROM technology. A flash cell is based on a one transistor controlled by trapped charge just like an EEPROM cell.
LRU code
Explain Combinational logic circuits Ans. Combinational logic circuits:- (i) Outputs only depend upon present state of the input. (ii) No memory element present or no f
What are the type of Internet connection When determining requirements for a VPN, carefully estimate the number of systems to be put behind the VPN, the number of concurrent u
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