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q explain about two-pass assemblerassemblers usually make two or more passes through a source program in order to resolve forward references in a
q what do you mean by manual assemblyit was an old method which required the programmer to translate every opcode in its numerical machine language
q explain assembly program executionan assembly program is written according to a strict set of rules a word processor or editor is used for keying
q illustrate the uses of assembly languageuses of assembly language assembly language is used mainly for writing short efficient specific interfacing
pros and cons of assembly languagethe following are a number of advantages disadvantages of employing assembly language assembly language offers
q need of the assembly language machine language code comprises the 0-1 combinations which computer decodes directly though the machine language
q what is indirect addressing mode explainindirect addressing modein the indirect addressing modes operands employ registers to point to locations in
q explain direct addressing mode with exampledirect addressing modea direct operand signifies to contents of memory at an address referred by the
q define immediate addressing mode with exampleimmediate addressing modean immediate operand can be a constant expression like a character a number
q explain register addressing modeoperand can be a 16-bit registeraddressing modedescriptionexampleax bx cx dx sidibpipcsdsesssor it may be ah al bh
q define the addressing modesthe elementary set of operands in 8086 can reside in memory register and immediate operand how can these operands be
show the two ways in which warnings can be suppressed in php1 stop an individual function call from producing an error message put the warning
show library and its typeslibraries constitute a simple meaning of gathering many object files together1 static during link editing library code is
explain formats supported in linux for executable programslinux supports two formats for executable programsa out-binary formatb elf - dynamic
what is the system call available to transmit a signalsystem call kill is used to send a signal to a method or a group of processesint kill pad tepid
what are the lists of signal available terminating and suspending method physical circumstances available for the programmer fault in power supply
define the various actions a process might be take upon receiving a signalthere are various actions a process might be take upon receiving a signal
show system call for cloning standard form of clone function is as followsint clone int fn void child stack int flag intargsparameter fn is
explain clone processa clone process is generated using primitive type clone by duplicating its parent process however unlike traditional processes
what is the system call available to change the personalitythe system call personality prefers to a method to modify its implementation domain in
evaluate personality defines1 system calls linux use a software interrupts to change into kernel mode whilst other unix system use an inter segment
q what do you mean by execution unitexecution unit performs all alu operations execution unit of 8086 is of 16 bits it also contains the control unit
q explain segment registers in bus interface unitthese are very significant registers of cpu why we will answer this later in 8086 microprocessor
q instruction queue in bus interface unitinstruction queue is employed to store the instruction lsquobytes fetched please conceren two points here
q explain bus interface unitbiu bus interface unit mainly interacts with system bus it executes nearly all the activities relating to fetch cycle