Microprocessor In order to save accumulator value on the stack, which of the following instruction may be used PUSH SP PUSH A PUSH PSW POP PSW PUSH SP PUSH A PUSH PSW POP PSW 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
Microprocessor The content of the A15-A8 (higher order address lines) while executing “IN 8-bit port address” instruction are same as the content of A7-A0 all bits set (i.e. FFH) all bits reset (i.e. 00H) irrelevant same as the content of A7-A0 all bits set (i.e. FFH) all bits reset (i.e. 00H) irrelevant ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The address bus of any microprocessor is always Either unidirectional or bi-directional None Bi-directional Unidirectional Either unidirectional or bi-directional None Bi-directional Unidirectional ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The maximum number of seven segment displays that can be connected to 8279 is 16 18 12 8 16 18 12 8 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Because we wish to allow each ASCII code to occupy one location in memory, most memories are __________ addressable. NIBBLE BYTE WORD (16 bits) DOUBLEWORD (32 bits) NIBBLE BYTE WORD (16 bits) DOUBLEWORD (32 bits) ANSWER DOWNLOAD EXAMIANS APP