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define flash analog to digital convertersparallel flash adcs transform the analog input voltage faster as compared to other types of adcs they
explain dual slope adcsdual slope adcs make use of a capacitor connected to a reference voltage the capacitor voltage begins at zero and is charged
define quantization errorquantization by its nature introduces errors there are two major sources of errors one is sampling that just takes the
what are the basic operations of a computerthe basic operations are read and
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
how the interrupts can be maskedunmasked in 8086the 8086 interrupt priorities are concerned software interrupts have the highest priority followed by
what is pipelined architecturethe computer is composed of two parts that operate asynchronously one part known as a biu fetches instruction from code
what is the function performed by sim instruction in 8085sim -set interrupt mask this instruction masks the interrupts as desired it also sends
how address and data lines are demultiplexed in 8085ad0-ad7 lines are multiplexed and the lower half of address a0-a7 is available only during t1
name the 6 modes of operations of an 8253 programmable interval timermode 0 interrupt on terminal countmode 1 hardware re -triggerable one-shotmode 2
name the three modes used by the dma processor to transfer datathe three modes are-a signal transfer mode cycling stealing modeb block transfer modec
what is the use of latch signal on the ad0-ad15 bus in an 8086 systemlatch signal is used to load the data those are fetched from memory to
what is the purpose of clock signal in an 8086 system8086 needs clock signal with 33duty cycle from some external operations8086 processor needs 5
what do you mean by pipelining in an 8086 processorthe computer is composed of two kinds that operate asynchronously single part called a biu in
give the significance of sim and rim instruction available in 8085instruction sim set interrupt mask this is a 1 byte instruction and can be used
name the flag bits available in 8085 microprocessorsthe 8085 microprocessor has five flags to show five different types of data