Microprocessor Which of the following instruction will never affect the zero flag? DCR R XRA R DCX Rp ORA R DCR R XRA R DCX Rp ORA R ANSWER DOWNLOAD EXAMIANS APP
Microprocessor XCHG instruction exchanges the content of H-L with ______ register pair. B-C D-E PSW Stack Pointer B-C D-E PSW Stack Pointer ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8085 which addressing mode is also called inherent addressing? Implicit Immediate Register Direct Implicit Immediate Register Direct ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Pick up the programmable interrupt controller from the following 8279 8259 8275 8257 8279 8259 8275 8257 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The microprocessor issues ALE during first T-state of every machine cycle fetch cycle only memory READ cycle only memory WRITE cycle only every machine cycle fetch cycle only memory READ cycle only memory WRITE cycle only ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The address bus of any microprocessor is always Bi-directional None Either unidirectional or bi-directional Unidirectional Bi-directional None Either unidirectional or bi-directional Unidirectional ANSWER DOWNLOAD EXAMIANS APP
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