Microprocessor In order to save accumulator value on the stack, which of the following instruction may be used PUSH A PUSH SP POP PSW PUSH PSW PUSH A PUSH SP POP PSW PUSH PSW ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8085 microprocessor system with memory mapped I/O, which of the following is true? Devices have 8-bit address line There can be maximum of 256 input devices and 256 output devices Arithmetic and logic operations can be directly performed with the I/O data Devices are accessed using IN and OUT instructions Devices have 8-bit address line There can be maximum of 256 input devices and 256 output devices Arithmetic and logic operations can be directly performed with the I/O data Devices are accessed using IN and OUT instructions ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A single instruction to clear the lower nibble of accumulator in 8085 language assembly is ANI F0H ANI OFH XRI 0FH XRI FOH ANI F0H ANI OFH XRI 0FH XRI FOH ANSWER DOWNLOAD EXAMIANS APP
Microprocessor S0 and S1 pins are used for serial communication acknowledging the interrupt indicating the processor’s status None of these serial communication acknowledging the interrupt indicating the processor’s status None of these ANSWER DOWNLOAD EXAMIANS APP
Microprocessor What is the size (in bytes) of Prefetch queue in 8086? 3. 2. 4. 6. 3. 2. 4. 6. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor IN an intel 8085A microprocessor, why is READY signal used? To slow down a fast peripheral device so as to communicate at the microprocessor’s device. 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. None of these To slow down a fast peripheral device so as to communicate at the microprocessor’s device. 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. None of these ANSWER DOWNLOAD EXAMIANS APP
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