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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).
Telephone companies normally provide a voltage of to power telephones? Telephone companies usually give a voltage of to power telephones -48 volts DC.
The Concept of Process Unofficially a process is a program in execution subsequent to the program has been loaded in the main memory. Though a process is more than just a progr
Define peripheral. Devices that are under the direct control of computer are said to be linked online. These devices are intended to read information into or out of the memory
Q. Describe Big Notation? Big O Notation : The set O (g(n)) comprises all functions f(n) for that there exists positive constants c such that for satisfactorily large values
Define Protocol. It is a set of rules that are followed by interconnecting computers and terminals to make sure the orderly transfer of information
Q. Simplify Using K-Map 1. M2 + M3 + M5 + M7 + M12 + M13 + M8 + M9 2. M0 + M2 + M4 + M5 + M8 + M10 + M12 3. F(W,X,Y,Z) = ∑ (0,1,2,4,5,6,8,9,12,13,14)
Handshake packets: Handshake packets consist of nothing but a PID byte, and are usually sent in response to data packets. The 3 basic types are, NAK, indicating that the data
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Q. Explain what is Internal Modems ? Internal Modems: Internal Modems plug in expansion slots in your PC. Internal Modems are efficient andcheap. Internal Modems are bus-specif
What are the types of container classes in C++? Ans) A container class is a class that is used to hold objects in memory/external storage. A container class behaves as a ge
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