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Q. Define Wait protocol?
The wait protocol is used for resolving conflicts that arise due to some multiprocessors requiring same resource. There are 2 kinds of wait protocols: sleep-wait and busy-wait. In busy-wait protocol process stays in process context register that continually attempts for processor availability. In sleep-wait protocol wait protocol process is removed from processor and is kept in wait queue. The hardware complexity of this protocol is greater than busy-wait in multiprocessor system. If locks are used for synchronization subsequently busy-wait is used more than sleep-wait.
Q.What do you mean by Parallel virtual machine? PVM is essentially a simulation of a computer machine running parallel programs. It is a software package which allows a heterog
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What is Instruction Cycle The simplest model of instruction processing can be of two steps. The CPU reads /fetches instructions (codes) from memory one at a time and executes i
Const and volatile keywords should not be used together due to both are opposite in nature. A variable is declared as "const" means its value is not able to be altered but if i
Discuss in detail about Micro computer A microcomputer's CPU is a microprocessor. The microcomputer was originated in late 1970s. The first microcomputer was built around 8-bit
the counter shown Q2Q1Q0=000 The status of Q2Q1Q0 after the pulse
Q. Show the Features of parallel virtual machine? Easy to install; Easy to configure; Multiple users each can use PVM concurrently; Multiple applications fro
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Q. Explain about common addressing modes? Most of machines use a set of addressing modes. The following tree displays common addressing modes: Figure: Common Addres
Illustrate the Encryption and Decryption methods One of the best method of ensuring security is to change the form of communication. Let the messages be encoded in such a patte
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