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how many machine cycles does 8085 have mention themthe 8085 have seven machine cycles they are opcode fetch memory read memory write io read io
what is the use of alethe ale is used to latch the lower order address so that it can be available in t2 and t3 and used for identify the memory
define instruction cycle and t-stateinstruction cycle is defined as the time needed completing the execution of an instruction machine cycle is
explain the basic concepts in memory interfacingthe primary function of memory interfacing is that the microprocessor should be able to read from and
how many interrupts does 8085 have mention themthe 8085 has 5 interrupt signals they areintrrst75rst65rst55
what are the steps concerned to fetch a byte in 8085 the pc places the 16-bit memory address on the address bus the control unit sends the control
what are operations performed on data in 8085the various operations performed are store 8-bit data perform arithmetic and logical operations test
what is the signal classification of 8085all the signals of 8085 can be classified into 6 groupsaddress busdata buscontrol and status signalspower
what is a microcomputera computer that is designed using a microprocessor as its cpu is known as
explain priority interrupts of 8085the 8085 microprocessor has five interrupt inputs they are trap rst5 rst 65 rst 55 and intr these interrupts have
what is meant by interruptinterrupt is an external signal that causes a microprocessor to jump to a particular
what is meant by pollingpolling or device polling is a process which recognizes the device that has interrupted the
list the four instructions which control the interrupt structure of the 8085 microprocessordi disable interrupts ei enable interrupts rim read
what is meant by wait statethis state is used by slow peripheral devices the peripheral devices can transmitted the data to or from the
what is the difference between the shifts and rotate instructionsa rotate instruction is a closed loop instruction that is the data moved out at
explain the purpose of the io instructions in and out the in instruction is used to move data from an io port into the accumulatorthe out instruction
explain the difference between a jmp instruction and call instructiona jmp instruction permanently alters the program counter a call instruction
list out the five categories of the 8085 instructions give examples of the instructions for each group1 data transfer group - mov mvi lxi2
what is an opcodethe part of the instruction that specifies the operation to be performed is known as the operation code or
list the allowed register pairs of 8085b-c register paird-e register pairh-l register
list few applications of microprocessor-based system it is usedi for measurements display and control of current voltage temperature pressure etcii
what is microprocessor give the power supply amp clock frequency of 8085a microprocessor is a multipurpose programmable logic device that reads
define essentials of milling fixture strength of withstand heavy forces thrust should be directed towards a strong solid structure cutter setting
explain milling fixture a milling fixture is a work holding device which is firmly clamped to the table of milling machine it holds the work piece in
list out the types of fixtures milling fixtures lathe fixtures grinding fixtures broaching fixtures assembly fixtures inspection fixtures boring