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Q. What is multi-threaded unix kernel?
Multi-threaded UNIX kernel: We know threads are light-weight processors demanding minimal state information comprising the processor state and contents of relevant registers. A thread being a process is capable of executing by itself. In a multiprocessor system, more than one processors may execute simultaneously with each processor possibly executing more than one threads, with the restriction that those threads which share resources must be allotted to one processor. But the threads that do not share resources may be allotted to different processors. In this model in order to differentiate many threads demanding different sets of kernel resources spin locks or semaphores are used.
Name the four steps in pipelining. Fetch : Read the instruction from the memory. Decode : Decode the instruction and get the source operand. Execute : Perform the operat
The outcomes of analysis of Amdahl's law are: 1) To optimize the performance of parallel computers, modified compilers need to be developed which should aim to decrease the numb
Q. Develop a Menu driven program with following menu: 1. Gray code 2. BCD 3. Excess-3 code 4. Exit I/P must be a valid Binary number. Fractional numbers are all
We now consider the relation between passwords and key size. For this purpose consider a cryptosystem where the user enters a key in the form of a password. Assume a password consi
Assume you own your own small party supply and rental business. You keep an Excel list of potential customers and clients who have rented or purchased from you in the past 2 years.
Define Program Counter(PC) The Program Counter holds the address of the next instruction to be read from memory after the current instruction is implemented.
System Software 1. Explain language processing? Explain its activities in detail. 2. Discuss briefly about Assembler directives. Also explain about Macro definition and call
dfd for big bazaar
Illustrate the elements of Information Super Highway Infrastructure. The Information Superhighway is more than the Internet. This is a series of elements, including the collect
what is the operations in atree structured directory.
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