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There are situations, called hazards that stop the next instruction in the instruction stream from implementing during its designated clock cycle. Hazards decrease the performance from the ideal speedup gained by pipelining. There are three classes of Hazards:
1. Structural Hazards: It happens from resource conflicts when the hardware cannot support all possible combinations of instructions simultaneously in overlapped implementation.
2. Data Hazards: It happens when an instruction depends on the results of last instruction in a way that is exposed by the overlapping of instructions in the pipeline.
3. Control Hazards: It happens from the pipelining of branches and other instructions that change the PC.
What are User threads User threads are supported above the kernel and are executed by a thread library at the user level. Thread creation & scheduling are done in the user sp
Q. Binary floating-point number range? Smallest Negative number Maximum mantissa and maximum exponent = - (1 -2 -24 ) × 2 127 Largest negative number
Illustrate about the Word processors with its design Word processors now have many aspects over and above the original task of generating a typed document. This section would
Q. What is Ordered directive? This directive is used in combination with for and parallel for directives to cause an iteration to be executed in order that it would have been h
1. M - Model 2. V - View 3. C - Controller
Define Flash Memory. It is an approach same to EEPROM technology. A flash cell is based on a one transistor controlled by trapped charge just like an EEPROM cell.
Q. Illustrate what is a ion pair energy? Answer:- Ion energy contains electric charges called protons (+) and neutrons (0) and electrons (-) charges. It's present in an at
In what way the protection fault handler concludes? After finishing the implementation of the fault handler, it sets the change and protection bits and clears the copy on write
In a particular exchange during busy hour 1200 calls were offered to a group of trunks, during this time 6 calls were lost. The average call duration being 3 minutes Calculate
RISC Approach - computer architecture: The RISC processors only use easy instructions that can be executed within one clock cycle. therefore, the "MULT" command discussed abov
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