Microprocessor Both the ALU and control section of CPU employ which special purpose storage location? Registers Buffers Decoders Accumulators Registers Buffers Decoders Accumulators ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which of the following is not true during the execution of an interrupt service routine, which does not contain any EI instructions all interrupts except non-maskable interrupt are disabled the microprocessor cannot be interrupted by any mask able interrupt the microprocessor cannot be interrupted by any interrupt the microprocessor can be interrupted by a non-mask able interrupt all interrupts except non-maskable interrupt are disabled the microprocessor cannot be interrupted by any mask able interrupt the microprocessor cannot be interrupted by any interrupt the microprocessor can be interrupted by a non-mask able interrupt ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The 8085 microprocessor enters into bus idle machine cycle whenever RST 7.5 is recognized INTR interrupt is recognized DAD RP instruction is executed None of these RST 7.5 is recognized INTR interrupt is recognized DAD RP instruction is executed None of these ANSWER DOWNLOAD EXAMIANS APP
Microprocessor HLDA signal in 8085 performs the following operation: Hold the data in the accumulator until the microprocessor is turned OFF. Indicates that the CPU has received the HOLD request and that it will relinquish the bus in the next clock cycle. Indicates that another master is requesting the use of the address and data buses. Indicates that the CPU has not received the HOLD request. Hold the data in the accumulator until the microprocessor is turned OFF. Indicates that the CPU has received the HOLD request and that it will relinquish the bus in the next clock cycle. Indicates that another master is requesting the use of the address and data buses. Indicates that the CPU has not received the HOLD request. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor XCHG instruction exchanges the content of H-L with ______ register pair. B-C D-E PSW Stack Pointer B-C D-E PSW Stack Pointer ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which one of the following instruction may be used to clear the accumulator content irrespective of its initial value? SUB A ORA A CLR A MOV A, 00H SUB A ORA A CLR A MOV A, 00H ANSWER DOWNLOAD EXAMIANS APP
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