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how does cpu know that an interrupt has taken placethere needs to be a line or a register or status word in cpu which can be increased on occurrence
q what do you mean by interruptsthe term interrupt is an exceptional event which causes cpu to temporarily transfer its control from presently
q limitations of execution of instructions1 size of memory shown in 16 words while instruction is capable of addressing 210 1 k words of memory
q show the steps of execution of instructionsfetch first instruction into cpustep 1 findcalculate the address of first instruction in memory in this
q what is instruction registerinstruction register ir here instructions are loaded before execution comments on figure above are as below all
q what do you mean by program counterprogram counter pc it determines the instruction that is to be executed next which means after the execution of
q explain about memory buffer registermemory buffer register mbr its a register that comprises the data to be written in memory write operation or it
q what is memory address registermemory address register mar it specifies address of memory location from that data or instruction is to be accessed
q what is accumulator registeraccumulator register ac this register is used to store data temporarily for computation by arithmetic and logic
instruction execution is performed in cpu registers although before we define process of instruction execution lets first give details on registers
q describe memory and memory unitinput devices can fetch instructions or data only sequentially though a program may or may not be executed
q how can data and instructions are put into the computersthe data and instructions to a computer are provided by external environment it determines
q how are the instructions executed and interpretedall computers have a unit which performs arithmetic and logical functions this unit is called as
lets answer our second question first all computers have a unit which performs arithmetic and logical functions this unit is called as arithmetic and
q what is data in computersin modern digital computers data is signified in binary form by employing two symbols 0 and 1 these are known as binary
the major task of a computer is to carry out instruction execution the key questions that can be asked in this respect are a how are the instructions
von neumann architecture was first majoranticipated structure for general-purpose computer however before consideringmain components of von neumann
the use of information technology it is well known it has turn into a must for survival of all business houses with growing information technology
a friend has promised to log in at a particular time however he needs to be contacted as soon as he logs in the shell script checks after every
q what are the limitations of a cyclotron limitations i maintaining a consistent magnetic field over a large area of the dees is difficultii at high
q what is the future of hyper threadingcurrent pentium 4 based mpus employ hyper-threading however next-generation cores conroe merom and woodcrest
hyper-threading works by duplicating those parts of processor which store architectural state but not duplicating main execution resources this
q show the features of hyper-threadingthe significant characteristics of hyper threading arei improved response time and reaction as well as
hyper-threading officially known as hyper-threading technology htt is intels trademark for their functioning of simultaneous multithreading
in order to support ia-32 itanium can switch in 32-bit mode with special jump escape instructions ia-32 instructions have been mapped to itaniums