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What is major difference between the Historic Unix and the new BSD release of Unix System V in terms of Memory Management?
Historic Unix uses Swapping - Whole process is transferred to the major memory from the swap device, while the Unix System V uses
Demand Paging - only the part of the process is moved to the majopr memory. Historic Unix uses one Swap Device and Unix System V allow multiple Swap Devices.
What is the purpose of zero (z) flag and carry (c) flag? Carry flag holds the carry after addition or the borrow after subtraction. Carry flag also indicates error conditions,
What is the significance Timescale directive? Defines time units and simulation precision (smallest increment). Syntax 'timescale TimeUnit / PrecisionUnit TimeUnit =
Define Edge Triggered D flip-flop? D latch has only two inputs C(control) and D(data). The operation of a D flip-flop is a lot simpler and it has only one input addition to the
In using COBOL on PC we have only flat files and the programs can access only limited storage, while in VS COBOL II on M/F the programs can access up to 16MB or 2GB depending on th
Q. Explain Magnetic Read and Write Mechanisms? Data are recorded on and then retrieved from disk via a conducting coil called the head. In numerous systems there are two heads,
The difference among the next and continue verb is that in the continue verb it is used for a situation where there is no EOF condition that is the records are to be accessed again
How semaphores implement mutual exclusion? Mutual-exclusion implementation along with semaphores: Assume that there are n-processes and they share a semaphore, mutex (stan
Q. Advantages of using clusters? Parallel and distributed applications Decreased turnaround time Balanced loads Utilization of more powerful hosts Access to
Build data Flow diagrams showing functional dependencies Data flow diagrams are very useful for showing functional dependencies. In data flow diagrams processes are indicated
The game Connect-4 is played on a board that has seven columns. There are six spaces on each column. The board is initially empty. Two players take turns dropping one piece (black
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