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what is neg instruction arithmetic sign inversion or twos complement neg neg instruction twos complements a number which means that arithmetic sign
explain the test instruction test instruction performs the and operation the difference is that and instruction changes the destination operand
what are the blocks of microprocessor based system 1 the memory and io system2 the dos operating system3 the
microprocessor development systemcomputer systems have undergone many changes recently machines that once filled large areas have been reduced to
what is assemblera macro-assembler or assembler normally forms a part of operating system that translates an assembly language program into machine
explain the paging unitpaging mechanism functions with 4k - byte memory pages or with a new extension available to pentium with 4m byte-memory pages
what is branch prediction logic branch prediction logic in pentium pentium microprocessor uses branch prediction logic to decrease the time needed
clarify the operation of iret instruction what memory locations comprise the vector for an int 34 instructioninterrupt return iret instruction is
write 8086 initialisation routine required to program 8255 for mode 1 with port a and port b as output ports and port c as an input port indicate all
what are the different modes in that 8255 programmable peripheral interface ppi can operate 24 io lines in 3-8-bit port groups - a b c a b can
explain about mmx architecture mmx architecture introduces new packed data types data types are eight packed consecutive 8-bit bytes four packed
write a short note on mmx technologymmx multimedia extensions technology adds 57 new instructions to instruction set of the pentium - 4
elucidate in brief the functions of the clock generator chip 82848284 clock generator 8284 is an ancillary component to the microprocessors without
compare memory mapped io with io mapped iomemory mapped io scheme in this scheme there is only one address space address space is stated as all
illustrate 16-bit isa compare it with 8-bit isa bus the only difference between 8 and 16-bit isa bus is that an extra connector is attached
what is the purpose of zero z flag and carry c flagcarry flag holds the carry after addition or the borrow after subtraction carry flag also
interrupt vector table is always created in first 1k area of the memory explain whywhen cpu receives an interrupt type number from pic it uses this
what are program-invisible registersans the local and global descriptor tables are found in the memory system to access and specify the address of
differentiate between at and xt computer systemans xt -gt extended and at-gtadvanced technologysome differences between pc and xt include
i want an assignment on application of integraton and my topc of assifment is area under the curve includin solved
in a certain word game a player can buy vowels and consonants the first vowel is free each additional vowel cost 1 the first two consonants are free
what are digital signatures and its usesa digital signature is an electronic quite than a written signature which can be used through someone to
explain about the term e-brokerage brieflyan e-brokerage is an investment house which allows you to buy and sell stocks and acquire investment
what is anonymous file transfer protocolanonymous ftpwhile a ftp client contacts a server in that case the daemon will ask for an account number or
what is the use and function of file transfer protocolftp file transfer protocol ftp is the protocol used upon the internet for sending files and is