Microprocessor Pick up the programmable interrupt controller from the following 8257 8279 8259 8275 8257 8279 8259 8275 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor While using a frequency counter for measuring frequency, two modes of measurement are possible: Period time Frequency mode There is a ‘cross-over frequency’ below which the period mode is preferred. Assuming the crystal oscillator frequency to be 4MHz, the crossover frequency is given by 1Khz. 2 Khz. 2 Mhz. 8 Mhz. 1Khz. 2 Khz. 2 Mhz. 8 Mhz. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The five flags in 8085 are designated as D, Z, S, P, AC Z, CY, S, D, AC Z, C, S, P, AC Z, CY, S, P and AC D, Z, S, P, AC Z, CY, S, D, AC Z, C, S, P, AC Z, CY, S, P and AC ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which of the following is not true during the execution of an interrupt service routine, which does not contain any EI instructions the microprocessor can be interrupted by a non-mask able interrupt the microprocessor cannot be interrupted by any interrupt the microprocessor cannot be interrupted by any mask able interrupt all interrupts except non-maskable interrupt are disabled the microprocessor can be interrupted by a non-mask able interrupt the microprocessor cannot be interrupted by any interrupt the microprocessor cannot be interrupted by any mask able interrupt all interrupts except non-maskable interrupt are disabled ANSWER DOWNLOAD EXAMIANS APP
Microprocessor HLT opcode means load accumulator with contents of register. end of program. load data to accumulator. store result in memory. load accumulator with contents of register. end of program. load data to accumulator. store result in memory. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Each instruction in assembly language program has the following fields:Lable fieldMnemonic fieldOperand fieldComment fieldThe correct sequence of these fields is? 1, 2, 4, 3 2, 1, 4, 3 1, 2, 3, 4 2, 1, 3, 4 1, 2, 4, 3 2, 1, 4, 3 1, 2, 3, 4 2, 1, 3, 4 ANSWER DOWNLOAD EXAMIANS APP
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