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define the term assembler directives an assembler directive is a statement to provide direction to the assembler to perform the function of assembly
write explanatory notes on 8284 clock generatorthe 8284 is an ancillary element to the microprocessors without this clock generator a few additional
write explanatory notes on pagingthe memory paging mechanism located inside the 80386 and above permits any physical memory location to be allocated
what do you understand by dram and its refreshing dynamic ram dram is fundamentally the same as sram but this retains data for only 2 or 4 ms on an
explain the various modes in which dmac worksworking of direct memory access controllerthe modes of operation has demand mode block mode single mode
what is direct memory accessdirect memory access dma is a process wherein an external device takes over the control of system bus by the cpudma is
what is the difference between near call and far callthe proc directive specifies the start of a procedure should also be followed along with a near
what do you mean by the term procedure proc the proc and endp directives specify the start and end of a procedure such directives force structure
discuss bios function call with one examplebio stands for basic input output system this is a set of programs to give most basic low-level services
discuss dos function call with one exampledos function callso as to use dos function calls always place the function number in register ah and load
write explanatory notes on microprocessor development systemmicroprocessor development system computer systems have undergone several changes
discuss the various types of memory devices that you are familiar withall of the memory utilized as main store in a modern computer is implemented
differentiate between synchronous and asynchronous types of serial communication serial data communication uses two fundamental types as
how is eisa bus different from isa busthe extended industry standard architecture eisa it is a 32 bit modification to the isa bus since computers
discuss features and usage of peripheral component interconnect busperipheral component interconnect bus has plug as well as play characteristics and
what is a pci busperipheral component interconnect pci bus was developed through intel and introduced in 1993 this is geared specifically to fifth-
how is segmentation implemented in typical microprocessorsthe first advantage is as memory segmentation has is that only 16 bit registers are needed
what are advantages of segmentationhowever because the segment register is 16 bit broad and the memory requires 20 bits for an address the 8086
what is segmentationsegment memory addressing divides the memory in several segments all of these segments can be seen as a linear memory space all
what is use of co-processor in a typical microprocessor based systemthis is a processor that works in parallel with the major processor this has its
what is a co-processor 8087 ndp numerical data processor is also termed as math co-processor that is used in parallel with the major processor for
discuss the role of a bus arbiter in a multiprocessor configurationbus arbiter it functions to resolve priority among bus masters and permits only
what do you understand by public assembler directive the public and extrn directives are very significant to modular programming public used to
what do you understand by db assembler directive db define byte the db directive explains by a byte-type variable that is a variable that
what do you understand by segment assembler directivesegment this directive explains to the assembler the start of a segment along with name