Microprocessor ‘Burst refresh’ in DRAM is also called Hidden refresh Concentrated refresh None of these Distributed refresh Hidden refresh Concentrated refresh None of these Distributed refresh ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Identify the communication interfacing device from the following 8251 8155 8257 8255 8251 8155 8257 8255 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The output data lines of microprocessor and memories are usually tristated because More than one device can transmit over the data bus at the same time It increases the speed of data transfer over the data bus More than one device can transmit information over the data bus by enabling only one device at a time The data line can be multiplexed for both input and output More than one device can transmit over the data bus at the same time It increases the speed of data transfer over the data bus More than one device can transmit information over the data bus by enabling only one device at a time The data line can be multiplexed for both input and output ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A microprocessor differentiates between op code, data/address at any time by the sequence in which memory contents are fetched by it the stack pointer the program counter its internal registers the sequence in which memory contents are fetched by it the stack pointer the program counter its internal registers ANSWER DOWNLOAD EXAMIANS APP
Microprocessor RST0 - RST7 are the __________ in 8085. software interrupts conditional interrupts hardware interrupts logical interrupts software interrupts conditional interrupts hardware interrupts logical interrupts ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8086 the number of bytes which can be addressed directly is about one million 1000 100000 10000 one million 1000 100000 10000 ANSWER DOWNLOAD EXAMIANS APP
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