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What are semaphores?
Semaphore: A semaphore is a synchronization tool which gives a general-purpose solution to controlling access to critical sections. It s an abstract data type (ADT) which defines a nonnegative integer variable that, apart from initialization, is accessed simply through two standard operations that are: wait and signal. The typical definition of wait in pseudo code is
wait(S){
while(S<=0)
// do nothing
S--; }
The classical definitions of signal in pseudo code is signal(S){
S++; }
While one process modifies the semaphore value, anno one process can concurrently modify that similar semaphore value. As well, in the case of the wait(S), the testing of the integer value of S (i.e. S<=0), and its possible modification(S--), should also be executed without interruption.
Explain about the organisations use in EDI. Organisations, which are use Electronic Data Interchange. Extensive users of Electronic Data Interchange (EDI) include: BHS:
what is beizer curve
What are qualified associations? A qualified association is an association in which an attribute known as the qualifier disambiguates the object many associated end.
What is a multiple line field? A multiple line field is a special part of field which allows the user to enter multiple lines of data into it.
Develop a regular expression for Integer and Identifier (i) A regular expression for integer is [+ | -] (d)+ (ii) A regular expression for identifier is l(l | d)*
Can you list out some of synthesizable and non-synthesizable constructs? not synthesizable->>>> initial ignored for synthesis. delays ignored for synthesis. ev
In a time multiplexed space switching system, one speech sample appears every? One speech sample shows every 125 micro sec, in a time multiplexed space switching system.
One that can be modified by the class even when the object of the class or the member function doing the modification is const.
There are two goals to AI; the major one is to produce an artificial system that is about as good as or good than a human being at dealing with the actual world. The second goal is
1) All squares containing a 1 must be grouped. 2) The largest possible groups must be formed. 3) Groups can overlap if this allows larger groups to be formed. 4) Groups mu
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