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What is semaphores?
A semaphore 'S' is a synchronization tool which is an integer value that, apart from initialization, is accessed only by two standard atomic operations; wait and signal. Semaphores can be used to deal with the n-process critical section problem. It can be also used to solve lots of Synchronization problems.
An icon is a picture used to show an object. Some example objects are: data files, program files, folders, email messages, and drives. Every type of object has a dissimilar icon. T
Q. Use of Overlapped Register Windows? Register file comprises 138 registers. Let them be called by register number 0 - 137. Diagram demonstrates the use of registers: when
Difference between the fork -join and begin-end. The fork - join keywords: Groups several statements together.Cause statements to be evaluated in parallel (all at the same
Flynn's Classification Flynn's classification is based on multiplicity of data streams and instruction streams observed by the CPU during program execution. Let Ds and Is are
What are the features of the hardwired control? A controller that uses this approach can function at high speed. It has little flexibility and the complexity of the instruction
Which method is used for resolving data dependency conflict by the compiler itself? (A) Delayed load. (B) operand forwarding. (C) Pre fetch target instruction. (D) loo
Q.What is Replacement Policy in cache? When a new block has to be fetched in cache the other block may have to be replaced to make room for new block. Replacement policy determ
Q. Why we need parallel programming languages? The parallel programming languages are created for parallel computer environments. These are developed either by creating new la
what is IPC ? explain IPC mechanism in detail
Investigate the MIPS programmers model and develop an object-oriented design that will reflect aspects of the MIPS architecture. Consider the functional units of the architecture a
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