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How are devices represented in UNIX?
All devices are shown by files called special files that are located in /dev directory. Therefore, device files and other files are named and accessed in the similar way. A 'regular file' is just an ordinary data file in the disk. A 'block special file' determines a device with characteristics same to a disk (data transfer in terms of blocks). A 'character special file' shows a device with characteristics same to a keyboard (data transfer is by stream of bits in sequential order).
Which approaches do not require knowledge of the system state? Ans. Deadlock detection, deadlock prevention and deadlock avoidance; none of the given require knowledge of the s
How do I update an existing copy of the source to the current version? Ans) As the common code changes, you might need to update your copy to have the lastest version. To do tha
Digital switch It is a device that handles digital signals formed at or passed by a telephone company's central office and sends them across the company's backbone network.
State in brief about the pseudo instruction A pseudo instruction isn't a real instruction. CPU can't execute it. It often requires a complex architectural operation and if it w
Multiple bus architecture: One solution to the bandwidth restriction of a single bus is to simply add extra buses. Consider the architecture indicated in given figure that con
How will you prepare problem statement? Problem statement should state what is to be completed and not how it is to be executed. It should be a statement of requirements not a
Two popular encryption techniques to ensute secured transactions on the net? 1. Translation table 2. Word/byte rotation and XOR bit masking.
Question: (a) What are effect presets and how can they be helpful? (b) Explain the difference between digital zoom and optical zoom. (c) Explain exposure in the context o
What is meant by Questionnaires This includes sending out questionnaires to the work force or/and to customers to find out their views of existing system and to find out how.
Slope Deflection Equations for a Member: In this section, we will develop a few general equations needed for further discussion in the moment distribution context. Fig
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