Microprocessor Which one of the following statement is false? A microprocessor has unidirectional address bus A microprocessor has bi-directional address bus A microprocessor has bi-directional data bus A microprocessor has an ALU A microprocessor has unidirectional address bus A microprocessor has bi-directional address bus A microprocessor has bi-directional data bus A microprocessor has an ALU ANSWER DOWNLOAD EXAMIANS APP
Microprocessor XCHG instruction exchanges the content of H-L with ______ register pair. D-E PSW B-C Stack Pointer D-E PSW B-C Stack Pointer ANSWER DOWNLOAD EXAMIANS APP
Microprocessor What is SIM? None of these. Set interrupt mask. Sorting interrupt mask. Select interrupt mask. None of these. Set interrupt mask. Sorting interrupt mask. Select interrupt mask. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Pick up the programmable interrupt controller from the following 8257 8259 8279 8275 8257 8259 8279 8275 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 Which one of the following instruction may be used to clear the accumulator content irrespective of its initial value? CLR A MOV A, 00H ORA A SUB A CLR A MOV A, 00H ORA A SUB A ANSWER DOWNLOAD EXAMIANS APP