Microprocessor In 8085 microprocessor system with memory mapped I/O, which of the following is true? Devices have 8-bit address line Devices are accessed using IN and OUT instructions Arithmetic and logic operations can be directly performed with the I/O data There can be maximum of 256 input devices and 256 output devices Devices have 8-bit address line Devices are accessed using IN and OUT instructions Arithmetic and logic operations can be directly performed with the I/O data There can be maximum of 256 input devices and 256 output devices 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”. AND that bit with “1” and remaining bits with “0”. OR that bit with “0” and remaining bits with “1”. OR that bit with “1” and remaining bits with “0”. AND that bit with “0” and remaining bits with “1”. AND that bit with “1” and remaining bits with “0”. OR that bit with “0” and remaining bits with “1”. OR that bit with “1” and remaining bits with “0”. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which one of the following circuits transmits two messages simultaneously in one direction Diplex Quadruplex Simplex Duplex Diplex Quadruplex Simplex Duplex ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A single instruction to clear the lower nibble of accumulator in 8085 language assembly is XRI 0FH ANI F0H ANI OFH XRI FOH XRI 0FH ANI F0H ANI OFH XRI FOH ANSWER DOWNLOAD EXAMIANS APP
Microprocessor DS directive in 8085 Forces the assembler to reserve one byte of memory None of these Forces the assembler to reserve a specified number of bytes in the memory Forces the assembler to reserve a specified number of consecutive bytes in the memory Forces the assembler to reserve one byte of memory None of these Forces the assembler to reserve a specified number of bytes in the memory Forces the assembler to reserve a specified number of consecutive bytes in the memory ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A real number consists of None of these Integer part and fraction part Integer part Integer part, fraction part along with positive or negative sign None of these Integer part and fraction part Integer part Integer part, fraction part along with positive or negative sign ANSWER DOWNLOAD EXAMIANS APP
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