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what is the draw back of assigning one bit position to each control signalsassigning individual bits to every control signal results in long
what is control storethe microroutines for all the instructions in the instruction set of a computer are kept in a special memory known as the
define micro routine and microinstruction a sequence of control words corresponding to the control sequence of a machine instruction represents the
what is control worda control word is a word whose individual bits show the various control
what is micro programmed controlmicro programmed control is a scheme in which control signals are formed by a program same to machine language
what are the features of the hardwired controla controller that uses this approach can function at high speed it has little flexibility and the
what are the factors determine the control signals contents of the control step counter contents of the instruction register contents of the
what are the two approaches used for generating the control signals in proper sequence hardwired control micro programmed control
define register fileall general purpose registers are combined into a one block called the register
what is meant by branch instructiona branch instruction is an instruction which changes the contents of the pc with the branch target address this
what is wmfcwmfc if the control signals that causes the processors control circuitry to wait for the arrival of the mfc
define mfcto accommodate the variability in response time the processor waits unless it receives an indication that the requested read operation has
what is known as multiphase clockingwhen edge-triggered flip flops are not used two or more clock signals may be required to guarantee proper
define processor clockprocessor clock is explained as the time periods in which all operations and data transfer within the processor take
define data paththe registers the alu and the interconnecting bus are collectively referred to as the data
name two special purpose registersindex registerstack
explain mdr and marthe data and address lines of the external memory bus linked to the internal processor bus by the memory data register mdr and the
what are the ways to truncate guard bits1 chopping2 von neumann rounding3 rounding procedure
what is guard bitsguard bits are extra bits which are produced while the intermediate steps to yield maximum accuracy in the final
what are the exceptions encountered for fp operationthe exceptions encountered for fp operation are overflow underflow 0 inexact and invalid
what is overflow underflow case in single precisionspunderflow-in sp it means that the normalized representation needs an exponent less than
what are the 2 ieee standards for floating point
briefly explain the floating point representation with an examplethe floating point representation has 3 fields1sign bit2siginificant
define device interfacethe buffer registers datain and dataout and the status flags sin and sout are part of circuitry commonly called as a device
what is loaderloader is a system software which having a set of utility programs it will load the object program to the