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explain idiv instructions in 8086 family with example and their effect on flag idiv it used to divide a 16-bit signed number with an 8-bit signed no
explain cwd instructions in 8086 family with example and their effect on flag convert signed word to signed double word cwd instruction enlarges the
write an assembly language program to determine average of n integers ans mov ax 0000 initial sum 0000 mov bx 0000 mov si 0201h mov cx
discuss dma definition direct memory access dma is a process wherein an external device takes over the control of system bus by the cpu direct memory
explain what is linkerlinker a huge program is divided in smaller programs termed as modules a linker is a program that links smaller programs
what is an assemblerassembler an assembler or macro-assembler usually forms a part of the operating system this translates an assembly language
what do you maent by debuggerdebugger this is a program that allows user to debug and test programs all computers with microprocessor kits give
draw and discuss power failure detection circuit interrupt nmithe non-maskable interrupt nmi is an edge-triggered input which requests can interrupt
explain graphics adapters video card converts digital output by the computer in an analog video signal and sends the signal by a cable to the monitor
explain mmx technology multimedia extensions technology adds 57 newly instructions to the instruction set of the pentium - 4 microprocessors the
explain virtual memory the term virtual memory considers as to something that appears to be present but in fact it is not the virtual memory
discuss some features of pentium series of microprocessors the pentium is a cisc microprocessor 32-bit superscalar the term superscalar is
discuss merits and demerits of macro over procedures the macro directive informs assembler the starting of a macro which is used with endm
what do you mean by macro macro a sequence of instructions to that a name is assigned is termed as macro macros and subroutines are same macros are
write explanatory notes on hard disk drive controllerhard disk drive controller it converts instructions from software running upon the computer to
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
computer to computer transmission of structured data using standardised documentation is known aselectronic data interchange
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