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general purpose registersregisters b c d e h and l are 8 bit general purpose registers these registers store 8
registersvarious registers shown in figure are discussed below in
architecture of 8085 microprocessorthe 8085 microprocessor is an 8 bit general purpose microprocessor 8 bit processor means it
normal 0 false false false en-in x-none x-none 8085microprocessor architecture
multiprogramming - single processor one users many programs when single processor is used to execute more than one independent
multiprocessing - many processors many users many programs multiprocessing or also called distributed processing system provides
multitasking - single processor many users many tasks in multitasking or also called time sharing systems multi user
4gls fourth generations languagesthese are called non procedural languages may be considered as advanced hll objects oriented
disadvantage - high level languagesacomputational time is more as compared to machine languagesbrequires more memorycrequires the
advantages of high level languages ait is easy to learn write and debug the program written in high level
interpreter- high level languagethe interpreter is a program which translates the high level program into objects
complier-high level language it also translates the whole high level program into object program if it does not have
high level language third generation language the difficulties of low level languages are overcome by high level languages in
assembly languages second generation languageto overcome the difficulty of machine language assembly language was designed
machine language first generation language as we have already discussed that all digital circuits can identify only two states
programming languagesas we have seen the evolution of computer hardware similarly programming languages also have their
supercomputerthe largest fastest and most powerful are called supercomputers supercomputers are mainly used for weather forecasting
mainframescomputers larger than minicomputer more power operating at very high speed called mainframes they can processes 64
in the previous two years a lot of innovation has come in the mobile computing world apple has launched very imaginative mobile phone iphone and ipad
mini computerslarger computer more computing power having capability to address more memory and more
microcontrollermicrocontroller is also known as computer on a chip this includes basic features of microprocessor alu
microcomputer a microprocessor is a general purpose central processing until of a digital computer system it has arithmetic
registers a resister is a group of flip flops or binary cells which holds the binary information since a binary cell
latch a 8 bit latch comprises of transparent latch d flip flop it is commonly used to interface output device with
positive edge triggered d flip flop in this type of d flip flop 7475 shown in figure the output changes with positive