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Superscalar architecture was designed to increase the speed of the scalar processor. But it has been realized it's not easy to apply. Subsequent are a number of problems faced in the superscalar architecture:
• It is needed that extra hardware should be given for hardware parallelism like decoder and arithmetic units, instruction registers etc.
• Scheduling of instructions dynamically to diminish the pipeline delays and to keep all processing units busy is very hard.
Another option to increase speed of processor is to use a series of instructions having no dependency and might need various resources so avoiding resource conflicts. The concept is to unite these independent instructions in a compact long word integrating many operations to be executed concurrently. So this architecture is known as "very long instruction word (VLIW) architecture". Actually long instruction expressions carry the opcode of various instructions that are dispatched to several functional units of the processor. In this manner all the operations to be implemented concurrently by the functional units are synchronized in a VLIW instruction. The size of VLIW instruction word may be in hundreds of bits. VLIW instructions should be formed by compacting small instruction words of conventional program. The job of compaction in VLIW is completed by compiler. The processor should have the enough resources to implement all the operations in VLIW word concurrently.
What is page fault? Its types? Page fault refers to the situation of not having a page in the major memory when any process references it. There are two kinds of page fault :
Develop a RPN rational number expression evaluator (REEval). The learning objectives are: improved procedural programming skills improved confidence in designing and
What is partition? Partitions divide a system into several independent or weakly coupled subsystems, each giving one kind of service. Partitions use peer-peer subsystems.
what is the theory used to check whether a number is negative or positive?
A Applet is a java program that runs within a web browser.
Explain Assembly Language This is a family of low-level language for programming computers, microprocessors, microcontrollers etc. They implement a symbolic sign of the numeric
What is meant by Questionnaires This includes sending out questionnaires to the work force or/and to customers to find out their views of existing system and to find out how.
PD controller Student should aim for Kp and Kd value that will minimize the steady error with improved rise time and settling time. The amount of over shoot should not be more t
http://www.cse.psu.edu/~dheller/cmpen331/Homework/Homework4.htmlwords accepted#
What is disadvantage of Distributed systems? Ans. Reliability is disadvantage of Distributed system.
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