Microprocessor Maximum number of I/O that can be addressed by the INTEL 8085 is 285 65536 256 512 285 65536 256 512 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The content of the A15-A8 (higher order address lines) while executing “IN 8-bit port address” instruction are irrelevant same as the content of A7-A0 all bits reset (i.e. 00H) all bits set (i.e. FFH) irrelevant same as the content of A7-A0 all bits reset (i.e. 00H) all bits set (i.e. FFH) ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In one’s complement 8 bit representation 11111111 represents +0 -1 -0 1 +0 -1 -0 1 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The stack pointer may be in RAM or ROM resides in microprocessor resides in ROM resides in RAM may be in RAM or ROM resides in microprocessor resides in ROM resides in RAM ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The operating modes of 8255 A are called Mode 0 and mode 1 Mode 0 and mode 2 Mode 0, mode 2 and mode 3 Mode 0, mode 1 and mode 2 Mode 0 and mode 1 Mode 0 and mode 2 Mode 0, mode 2 and mode 3 Mode 0, mode 1 and mode 2 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor S0 and S1 pins are used for acknowledging the interrupt serial communication indicating the processor’s status None of these acknowledging the interrupt serial communication indicating the processor’s status None of these ANSWER DOWNLOAD EXAMIANS APP
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