Microprocessor Maximum of how many devices can be connected simultaneously to the microprocessor via 8257 in DMA data transfer mode? 10 8 4 6 10 8 4 6 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor An 8-bit microprocessor can have ………….. address lines. 16 cannot be predicted 32 8 16 cannot be predicted 32 8 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 2 Khz. 1Khz. 8 Mhz. 2 Mhz. 2 Khz. 1Khz. 8 Mhz. 2 Mhz. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor While INX B instruction execute, only carry flag will be affected all flags will be affected only carry and zero flags will be affected no flags will be affected only carry flag will be affected all flags will be affected only carry and zero flags will be affected no flags will be affected ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The timing difference between a slow memory and fast processor can be resolved if External buffer is used Either A or B Processor is capable of waiting Neither A nor B External buffer is used Either A or B Processor is capable of waiting Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which memory has read operation, byte erase, byte write and chip erase? Both B and C EEPROM RAM UVEPROM Both B and C EEPROM RAM UVEPROM ANSWER DOWNLOAD EXAMIANS APP
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