Microprocessor Identify the programmable DMA controller from the following 8253 8251 8279 8257 8253 8251 8279 8257 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor During OPCODE fetch the state of S0 and S1 is 01 11 00 10 01 11 00 10 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The address bus of any microprocessor is always Either unidirectional or bi-directional Bi-directional Unidirectional None Either unidirectional or bi-directional Bi-directional Unidirectional None 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 Mhz. 2 Khz. 8 Mhz. 1Khz. 2 Mhz. 2 Khz. 8 Mhz. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor DMA is used between microprocessor and memory microprocessor and I/O memory and I/O none microprocessor and memory microprocessor and I/O memory and I/O none ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8085 microprocessor , let the accumulator contains the value 0AH and register C contains the value 05H. After CMP C instruction is executed, the zero and carry flags will be reset zero and carry flags will be set zero flag will be reset and carry flag will be set zero flag will be set and carry flag will be reset zero and carry flags will be reset zero and carry flags will be set zero flag will be reset and carry flag will be set zero flag will be set and carry flag will be reset ANSWER DOWNLOAD EXAMIANS APP
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