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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.
Q. Characteristics of Magnetic disk? Tracks and Sectors: Disk is divided in concentric rings known as tracks. Thus a track is one complete rotation of disk underneath read/wr
How many address bits are required to represent a 32 K memory ? Ans. 32K = 25 x 210 = 215, Hence 15 address bits are needed; Only 16 bits can address this.
What are advantages and drawbacks of latches? Advantages and drawbacks of latches: Area of a latch is classically less than a Flip Flop. It consumes less power, becaus
Backward Chaining - Artificial intelligence Given that we are just interested in constructing the path, we may set our initial state to be the theorem statement and search backw
TARGET = "_parent" "_parent" is used in a situation where a frameset file is nested inside another frameset file. A link in one of the inner frameset documents that uses "_par
What is Double entry - Verification In this approach, data is entered twice (using two different people); data is only accepted if both versions match up. Generally used to ve
Q.Prove using Boolean Algebra 1. X (X+Y) = X 2. AB + AC + BC' = AC + BC' 3. (A+B+C) (A+B'+C') (A+B+C') (A+B'+C)=A 4. (A+B'+C) (AB+A'C) = (A+C) (A'+B) 5. XY + XZ + YZ
Differentiate between synchronous and asynchronous input/output with the help of an example. The input-output operation is asynchronous input/output operation since after the s
Bus Master: In computer system, bus mastering is a attribute supported by various bus architectures that enables a device linked to the bus to initiate transacti
Question: (a) Comment on the general structure of the IAS Computer, illustrate your answer using a diagram. (b) (i) Define CPU time. (a) (ii) A program runs in 10
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