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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.
a. Explain about exception? When do they occur? Show using an example how to give your own exception handler. b. Can you restrict the types of exception that a function can thro
All digital devices are made from circuits whichcan be switched between two possible states.These two states are represented by a voltagelevel at the output of the circuit e.g. 0V
What is visibility give UML notation? Visibility refers to the ability of a process to reference a feature from another class and has possible valued of public, private, protec
What is Control Unit Control Unit: The control unit issue control signals to perform exact operation and it directs the entire computer system to carry out keeps program instr
Q. Describe short note on Information system for strategic advantage? Ans. Strategic role of information systems engage using information technology to develop products or serv
Objectives After going through this unit, you will be able to : Tell historical facts of parallel computing; Can explain the essential concepts of the discipline, e.g.
Write a decision table that specifies the rules for the game of checkers
An 8086 interrupt can take placedue to the following reasons: 1. Hardware interrupts caused by some external hardware device. 2. Software interrupts that can be invoked wit
Convert (177.25) 10 to octal Ans. 177.25) 10 = ( ) 8 Firstly we take integer part Hence (177) 10 = (261) 8 Now as 0.25 x 8 = 2.00 and 0.00 x 8 = 0 Therefor
Register Transfer Micro-operations These micro-operations as the name proposes transfer information from one register to another. The information doesn't change during these mi
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