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 PCHL & DAD D XTHL & DAD H XCHG & DAD B XCHG & DAD H PCHL & DAD D XTHL & DAD H XCHG & DAD B XCHG & DAD H ANSWER DOWNLOAD EXAMIANS APP
Microprocessor HLDA signal in 8085 performs the following operation: Hold the data in the accumulator until the microprocessor is turned OFF. Indicates that the CPU has received the HOLD request and that it will relinquish the bus in the next clock cycle. Indicates that the CPU has not received the HOLD request. Indicates that another master is requesting the use of the address and data buses. Hold the data in the accumulator until the microprocessor is turned OFF. Indicates that the CPU has received the HOLD request and that it will relinquish the bus in the next clock cycle. Indicates that the CPU has not received the HOLD request. Indicates that another master is requesting the use of the address and data buses. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Assertion(A): Monostablemultivibrators (IC74121) are used in a microprocessor based system for frequency measurement. Reason(R): Microprocessor counts the number of interrupt signals/second or within a specified interval through ISR. Both A & R are true but R is not the correct explanation of A. A is true but R is false. A is false but R is true. Both A & R are true and R is the correct explanation of A. Both A & R are true but R is not the correct explanation of A. A is true but R is false. A is false but R is true. Both A & R are true and R is the correct explanation of A. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor How many bytes in a zero memory page should be reserved for vectors used by RST instructions? 128. 64. 16. 32. 128. 64. 16. 32. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which one of the following microprocessor is not an 8-bit microprocessor 8085 6502 68000 Z-80 8085 6502 68000 Z-80 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The processor status word of 8085 microprocessor has five flags namely: S, Z, OV, P, CY S, Z, AC, P, OV S, Z, AC, P, CY S, OV, AC, P, CY S, Z, OV, P, CY S, Z, AC, P, OV S, Z, AC, P, CY S, OV, AC, P, CY ANSWER DOWNLOAD EXAMIANS APP