81. First In First Out (FIFO) is used in-
82. Is there any error found in the given instruction? If yes, find the right alternate. (8086 ALP) MOVES, DS
83. If contents of the accumulator in 8085 are 81 H and carry flag is '0', find accumulator contents after executing the instruction RRC?
84. The number of 8259 interrupt controllers required to be cascaded to provide interrupt facility to a maximum of 29 different devices are
85. What is the duration of the bus-cycle in an 8086 based microcomputer, if the clock frequency is 12 MHz without any wait - states?
86. In RAM chip with a total of 8096 words, the word addresses ranges from
87. In a microprocessor, the service routine for a certain interrupt starts from a fixed location of memory which cannot be externally set, but the interrupt can be delayed or rejected. Such an interrupt is
88. Which of the following is not a basic element within the microprocessor?
89. The statement label in a subroutine
90. The interfacing device used for generation of accurate time delay in microcomputer system is
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