Microprocessor Identify the programmable DMA controller from the following 8253 8279 8257 8251 8253 8279 8257 8251 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In one’s complement 8 bit representation 11111111 represents -1 -0 +0 1 -1 -0 +0 1 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A microprocessor without the interrupt facility is best suited for process control system cannot be used for DMA operation cannot be interfaced with any I/O devices is not useful for process control system is best suited for process control system cannot be used for DMA operation cannot be interfaced with any I/O devices is not useful for process control system ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which of the following conditions is not allowed in an RS latch? R is asserted, S is asserted R is negated, S is negated R is asserted, S is negated R is negated, S is asserted R is asserted, S is asserted R is negated, S is negated R is asserted, S is negated R is negated, S is asserted ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The stack pointer register in a microprocessor keeps the address of the next instruction to be fetched counts the number of programs being executing on the microprocessor counts the number of instructions being executing on the microprocessor holds the address of the top of the stack keeps the address of the next instruction to be fetched counts the number of programs being executing on the microprocessor counts the number of instructions being executing on the microprocessor holds the address of the top of the stack ANSWER DOWNLOAD EXAMIANS APP
Microprocessor IN an intel 8085A microprocessor, why is READY signal used? To indicate to user that the microprocessor is working and is ready for use. To slow down a fast peripheral device so as to communicate at the microprocessor’s device. None of these To provide proper WAIT states when the microprocessor is communicating with a slow peripheral device. To indicate to user that the microprocessor is working and is ready for use. To slow down a fast peripheral device so as to communicate at the microprocessor’s device. None of these To provide proper WAIT states when the microprocessor is communicating with a slow peripheral device. ANSWER DOWNLOAD EXAMIANS APP
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