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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
name the special functions registers available in 8051accumulatorb registerprogram status wordstack pointerdata pointerport 0port 1port 2port
explain the 16-bit registers dptr and sp of 8051dptrdptr stands for data pointer dptr having of a high byte dph and a low byte dpl its function is to
explain the function of the pins psen and ea of 8051psen psen stands for program store enable in 8051 based system in which an external rom holds the
give the alternate functions for the port pins of port3rd - read data control outputwr - write data control outputt1 - timer counter1 external input
state the function of rs1 and rs0 bits in the flag register of intel 8051 microcontrollerrs1 rs0 - register bank select bitsrs1 rs0
explain djnz instructions of intel 8051 microcontrollera djnz rn reldecrement the content of the register rn and jump if not zerob djnz direct
what is meant by microcontrollera device which having the microprocessor with integrated peripherals like memory serial ports parallel ports
what is rxdrxd- receive data inputthis input pin of 8251a gets a composite stream of the data to be received by
what is txdtxd- transmitter data outputthis output pin carries serial stream of the transmitted data bits by with other information like start bit
what is the use of stepper motora stepper motor is a device used to get an accurate position control of rotating shafts a stepper motor employs