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q how to information transfer from one register to anotherinformation transfer from one register to another is designated in symbolic notation by a
register transfer micro-operationsthese micro-operations as the name proposes transfer information from one register to another the information
q explain the type of micro-operationslets first discuss type of micro-operations most common micro-operations performed in a digital computer can be
q sequence of micro -operations to perform a specific functiona digital system executes a sequence of micro-operations on data stored in registers or
we have determined the general architecture and register set of mips microprocessor our subsequent task is to look at functionality of alu the cu and
q define the register lengthregister lengthasignificant characteristic related to registers is length of a register generally the length of a
q what is the significance of having less memory references as the time needed for memory reference is more than that of a register reference so
q explain about data registersthe data registers are used just for storing intermediate results or data and not for operand address calculationsome
q describe about general-purpose registersthe general-purpose registers as the name proposes can be used for several functions for illustration they
q explain programmer visible registersthese registers can be accessed employing machine language in general we encounter four kinds of programmer
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