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 H XCHG & DAD B PCHL & DAD D XTHL & DAD H XCHG & DAD H XCHG & DAD B ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The correct sequence of steps in the instruction cycle of a basic computer is Fetch, Execute, Decode and Read effective address. Fetch, Decode, Read effective address and, Execute. Read effective address, Decode, Fetch and Execute. Fetch, Read effective address, Decode and Execute. Fetch, Execute, Decode and Read effective address. Fetch, Decode, Read effective address and, Execute. Read effective address, Decode, Fetch and Execute. Fetch, Read effective address, Decode and Execute. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The five flags in 8085 are designated as Z, CY, S, P and AC Z, CY, S, D, AC Z, C, S, P, AC D, Z, S, P, AC Z, CY, S, P and AC Z, CY, S, D, AC Z, C, S, P, AC D, Z, S, P, AC ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A field programmable ROM is called FROM FPROM PROM MROM FROM FPROM PROM MROM ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The output data lines of microprocessor and memories are usually tristated because The data line can be multiplexed for both input and output More than one device can transmit information over the data bus by enabling only one device at a time It increases the speed of data transfer over the data bus More than one device can transmit over the data bus at the same time The data line can be multiplexed for both input and output More than one device can transmit information over the data bus by enabling only one device at a time It increases the speed of data transfer over the data bus More than one device can transmit over the data bus at the same time ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Consider the following statements: In 8085 microprocessor, data-bus and address bus are multiplexed in order to I)Increase the speed of microprocessor. II)Reduce the number of pins. III)Connect more peripheral chips. Which of these statements is/are correct? (II) & (III) (I) only (II) only (I), (II) & (III) (II) & (III) (I) only (II) only (I), (II) & (III) ANSWER DOWNLOAD EXAMIANS APP
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