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What is the difference between thread and process?
Thread - is used to execute more than one program at a time.
process - executes single program
A thread is a path of execution that run on CPU, a process is a collection of threads that share the similar virtual memory. A process has at least single thread of execution, and a thread always run in a process context.
What is a semaphore? Semaphore: It is a protected variable or abstract data type that constitutes the typical method for restricting access to shared resources as shared memo
Q. Calculate Print Speed of printers? Speed at which a printer prints is generally an important issue. Though the printer has to take a certain time to print. Printing time ris
What is class, class diagram? An object is an instance of a class. Class explains a group of objects with similar properties (attributes), behaviour (operations), kinds of rela
What are the process states in Unix? As a process implements it changes state according to its circumstances. Unix processes have the following states: Running : The process
Q. Explain working of Direct Memory Access? In both programmed I/O and interrupt-driven processor is busy with executing input/output instructions and I/O transfer rate is limi
Prove the following Boolean identities using the laws of Boolean algebra: ABC + AB ‾C + ABC ‾ = A(B + C) Ans. ABC+AB'C+ABC'=A(B + C) LHS AC(B+B')+AB(C+C') OR AC+AB OR A(B
Which is not a valid page replacement policy? Ans. RU policy (Recurrently used) is not a valid page replacement policy.
What is Read only memory (ROM) and Define the Use of it? A simple kind of ROM can be constructed from a decoder, Or gates, and a number of wires. Input
CGI stands for Common Gateway Interface, and is a mechanism by which a browser is permitted to communicate with programs running on a server. If you look at every word in turn it m
what is uml ?
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