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discuss about os as system softwareos is a large program or actually a collection of routines that is used to control the sharing of and interaction
what is text editorit is used for entering and editing application programs the user of this program interactively implements command that permit
what is compilera system software program known as a compiler translates the high-level language program into a suitable machine language program
what is application software give exampleapplication programs are usually written in a high level programming language in which the programmer states
what is system software give an exampleit is a collection of program that are implemented as needed to perform functions such asi receiving and
compare single bus structure and multiple bus structurea system that having only one busie only one transfer at a time is known as a single bus
what is the use of buffer registerthe buffer register is used to avoid speed mismatch among the io device and the
define busa group of lines that serves as a connecting path for various devices is known as a
define interrupt and isran interrupt is a request from an io device for service by the processor the processor gives the requested service by
what are the steps in executing the what are the steps in executing the
what are the registers generally contained in the processormar-memory address registermdr-memory data registerir-instruction registerro-rn-general
what are the basic operations of a computerthe basic operations are read and
what is the function of cuthe control unit works as the nerve center that coordinates all the computer operations it issues timing signals that
what is the function of alumost of the computer operations arithmetic and logic are performed in alu the data needed for the operation is brought by
what is cache memorythe small and fast ram units are known as caches when the implementation of an instruction calls for data located in main memory
list the addressing modes supported by 80511 register addressing 2 direct addressing3 register indirect addressing4 immediate
list the uses of usartusart-universal synchronous asynchronous receiver-transmittersit is used to transmit and receive the data in serial
what is a coprocessorit is a specially designed microprocessor which take care of mathematical calculations including integer and floating point data
what is macroa macro is a group of instructions written within brackets and recognized by a name this is used when a repeated group of
what do these 8086 instructions dostd-set direction flag when the instruction is implemented the direction flag of 8086 is set to 1iret-interrupt
list the different types of flags affected by the arithmetic and logic operationscarry flagauxiliary carry flag parity flagsign flagzero
explain the limiting the spectrumthis low-pass filter is known an anti-aliasing filter these filters are originated at the input to most applications
what is the function of gate signal in 8254 timerthe 8254 has three independent 16-bit counters which can be programmed to work in any one of
how clock signal is generated in 8086what is the maximum internal clock frequency of 8086clock input 33 square wave from external clock generator the
what are the signals involved in memory bank selection in 8086 microprocessorthe 8086 based system will have two sets of memory ics one set for even