Microprocessor Identify the programmable DMA controller from the following 8251 8253 8279 8257 8251 8253 8279 8257 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor _____________is used to read the status of the hardware interrupts (RST 7.5, RST 6.5, RST 5.5) by loading into the A register a byte which defines the condition of the mask bits for the interrupts. SIM DI RIM EI SIM DI RIM EI ANSWER DOWNLOAD EXAMIANS APP
Microprocessor How many machine cycles are required for execution of IN 30H instruction 3 6 4 5 3 6 4 5 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The data bus of any microprocessor is always None Bi-directional Either unidirectional or bi-directional Unidirectional None Bi-directional Either unidirectional or bi-directional Unidirectional ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The frequency of the driving network connected between pins 1 and 2 of 8085 microprocessor is four times the desired frequency twice the desired frequency None of these equal to the desired frequency four times the desired frequency twice the desired frequency None of these equal to the desired frequency ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A structure that stores a number of bits taken “together as a unit” is a Mux Gate Decoder Register Mux Gate Decoder Register ANSWER DOWNLOAD EXAMIANS APP