Microprocessor How many machine cycles are required for execution of IN 30H instruction 6 4 3 5 6 4 3 5 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
Microprocessor In 8085 microprocessor which one of the following statement is wrong there is a pin available for serial input serial I/O is not possible there is a pin available for serial output serial I/O is possible through SIM and RIM instruction there is a pin available for serial input serial I/O is not possible there is a pin available for serial output serial I/O is possible through SIM and RIM instruction ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The content of the A15-A8 (higher order address lines) while executing “IN 8-bit port address” instruction are all bits set (i.e. FFH) all bits reset (i.e. 00H) same as the content of A7-A0 irrelevant all bits set (i.e. FFH) all bits reset (i.e. 00H) same as the content of A7-A0 irrelevant ANSWER DOWNLOAD EXAMIANS APP
Microprocessor How many bytes in a zero memory page should be reserved for vectors used by RST instructions? 32. 128. 64. 16. 32. 128. 64. 16. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The reason for the presence of ALE pin in 8085, but not in 6800 is that 8085 has 5 interrupts lines, whereas 6800 has only two 8085 uses I/O mapped I/O, whereas 6800 uses memory mapped I/O None 8085 has multiplexed bus, whereas 6800 does not have 8085 has 5 interrupts lines, whereas 6800 has only two 8085 uses I/O mapped I/O, whereas 6800 uses memory mapped I/O None 8085 has multiplexed bus, whereas 6800 does not have ANSWER DOWNLOAD EXAMIANS APP
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