Microprocessor SPHL instruction copies the content of H-L register pair to the _________. Stack Pointer B-C D-E PSW Stack Pointer B-C D-E PSW 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 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) ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The data bus of any microprocessor is always Either unidirectional or bi-directional Bi-directional None Unidirectional Either unidirectional or bi-directional Bi-directional None Unidirectional ANSWER DOWNLOAD EXAMIANS APP
Microprocessor While CMP B instruction executes, only carry flag will be affected. all flags will be affected. no flags will be affected. only carry and zero flags will be affected. only carry flag will be affected. all flags will be affected. no flags will be affected. only carry and zero flags will be affected. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor S0 and S1 pins are used for acknowledging the interrupt indicating the processor’s status serial communication None of these acknowledging the interrupt indicating the processor’s status serial communication None of these ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which one of the following ICs is used to interface keyboard and display? 8259 8251 8279 8253 8259 8251 8279 8253 ANSWER DOWNLOAD EXAMIANS APP
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