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Define class NP.
Problems that can be solved in polynomial time by a nondeterministic TM. Contains all problems in P and some problems possibly outside P.
What is bus arbitration? It is method by which the next device to become the bus master is selected and bus mastership is transferred to it. There are two ways for doing this:
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
Define buffering. A buffer is a memory area that keeps data while they are transferred among two devices or among a device and an application. Buffering is done for three reas
Q. Example to show directory in doc? Like a file name, the directory name may also have up to eight alpha-numeric characters. The directory name can also have an extension
During instruction execution, there are other parts of the CPU that can determine when a physical register might be freed. Briefly describe where else we can put freeing logic and
In SDK – 86 kit 128KB SRAM and 64KB EPROM is provided on system and provision for expansion of another 128KB SRAM is given. The on system SRAM address starts from 00000H and that
Explain Dial Tone and Ringing Tone in strowger telephony. Dial Tone: it is used to indicate that the exchange is ready to recognize dialed digits by the subscriber. The subsc
Draw and elucidate the block diagram of programmable interrupt controller 8259. The 8259A adds 8 vectored priority encoded interrupts to microprocessor. It can be expanded to 6
What are the aspects of security policy The security policy should cover aspects such as network service access, physical access, limits of acceptable behaviour, company's pro
What are the three data anomalise that are likely to occur as a result of data redundancy?
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