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q what is status control and registersstatus control and registers these registers cant be used by programmers though are used to control cpu or
q explain about programmer visible registersprogrammer visible registers these registers can be employed by machine or assembly language programmers
q total number of registers in a cpufactors to consider when choosing total number of registers in a cpu are cpu can access registers faster
the number and nature of registers is a major factor which distinguishes among computers for illustration intel pentium has about 32 registers a
q how do the registers help in instruction executionwe will discuss this in following stepsstep 1first step of instruction execution is to fetch
q show the fundamental process of instruction executionthe fundamental process of instruction execution is 1 instruction is fetched from memory to
a computer manipulates data consistent with instructions of a stored program stored program means that the data and program are stored in same memory
q show the mips addressing modesmips addressing modes mips employs various addressing modes1 uses register as well asimmediate addressing modes for
q meaning of every field in mips instructionthe meaning of every field in mips instruction is given below op operation code or opcode rs first
q explain about variable-length of instructionswith the better understanding of computer instruction sets designers developed the idea of having a
allocation of bits among opcode and operandthe trade-off here is between numbers of bits of opcode vs the addressing capabilities an interesting
q basic tradeoff of concerns for instruction set designbasic tradeoff smaller instruction less space vs desire for more powerful instruction
q designing the instruction format is a complex artinstruction length significance its the fundamental issue of the format design it concludes the
q fundamental issues of concerns for instruction set designa number of fundamental issues of concerns for instruction set design arecompleteness for
what is solid modelingsolid modeling is the most powerful of the 3-d modeling technique it provides the user with complete information about the
q how to calculate register indirect addressingthe effective address of operand in this technique is calculated asea r andd ea address capability
hls colour model this model has the double-cone representation shown in figure 340 the three colour parameters in this model are called hue h
q illustrate benefits of register addressing modethe key benefits of register addressing are register access is faster than memory access and
hsv colour modelinstead of a set of colour primaries the hsv model uses colour descriptions that have a more intuitive appeal to a user to give a
determine yiq colour modelwhereas an rgb monitor requires separate signals for the red green and blue components of an image a television monitor
q drawback of indirect addressingbull drawback of this scheme is that it needs two memory references to fetch actual operand first memory reference
q explain salient points about indirect addressinga number of salient points about this scheme are in this addressing scheme effective address ea
rgb modelthe rgb model is based on the assumption that any desired shade of colour can be obtained by mixing the correct amounts of red green and
illustrate trivariate colour modelsconventional colour models based on the tristimulus theory all contain three variables and so are called
properties of colourcolour descriptions and specifications generally include three properties hue saturation and brightness hue associates a colour