Microprocessor A sequence of two registers that multiplies the content of DE register pair by two and stores the result in HL register pair (in 8085 assembly language) is XCHG & DAD H PCHL & DAD D XCHG & DAD B XTHL & DAD H XCHG & DAD H PCHL & DAD D XCHG & DAD B XTHL & DAD H ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Temporary registers in 8085 are B and C. D and E. H and L. W and Z. B and C. D and E. H and L. W and Z. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In order to save accumulator value on the stack, which of the following instruction may be used PUSH A PUSH SP PUSH PSW POP PSW PUSH A PUSH SP PUSH PSW POP PSW ANSWER DOWNLOAD EXAMIANS APP
Microprocessor How can we make any bit of a register “1”? AND that bit with “0” and remaining bits with “1”. OR that bit with “0” and remaining bits with “1”. OR that bit with “1” and remaining bits with “0”. AND that bit with “1” and remaining bits with “0”. AND that bit with “0” and remaining bits with “1”. OR that bit with “0” and remaining bits with “1”. OR that bit with “1” and remaining bits with “0”. AND that bit with “1” and remaining bits with “0”. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A single instruction to clear the lower nibble of accumulator in 8085 language assembly is XRI 0FH XRI FOH ANI F0H ANI OFH XRI 0FH XRI FOH ANI F0H ANI OFH ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In microprocessor based system I/O ports are used to interface all the I/O devices the I/O devices and memory chips the I/P device only the O/P devices only all the I/O devices the I/O devices and memory chips the I/P device only the O/P devices only ANSWER DOWNLOAD EXAMIANS APP
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