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What are the different scheduling policies in Linux
The Linux scheduler has three different scheduling policies: one for 'normal'Processes, and two for 'real time' processes
_ SCHED_FIFO, for a unalterable 'real time' process.
_ SCHED_RR, for an alterable 'real time' process,
_ SCHED_OTHER, for a 'classical' process.
What is a Demultiplexer ? Ans. Demultiplexer has similar circuit as decoder but here E is obtained as the particular input line, the output lines are similar as decode
Explain about subsystem and object of object oriented modeling A subsystem is a grouping of elements of that constitutes a specification of behaviour offered by other contained
Q. Show the Classification of Printers? Printers can be classified on following bases: a) Impact: Impact printers print by impact of hammers on ribbon (for example Dot-Matri
What are parity generator and checker? Ans: While a digital signal is transmitted, this may not be received correctly through the receiver. At the receiving end this may o
Q. The work function of a metal surface is 6.626 X 10-19 joule. Compute the frequency of the radiation? Work function W = hγ o The fre
What is disadvantage of Distributed systems? Ans. Reliability is disadvantage of Distributed system.
What is error checking? It computes the error correcting code (ECC) value for the data read from the given sector and compares it with the corresponding ECC value read from the
Disadvantage and Advantage of mutual-exclusion implementation with semaphores. Disadvantage: Mutual-exclusion solutions specified by semaphores require busy waiting. Tha
Any data storage device. This having of your CD-ROM drive, hard disk drive and floppy disk drive.
State and prove Demorgan’s First theorems: Ans. Statement of First Theorem of De Morgan: = A‾. B‾ Proof: The two sides of the equation i.e. = is represented with logic
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