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 XCHG & DAD B XTHL & DAD H PCHL & DAD D XCHG & DAD H XCHG & DAD B XTHL & DAD H PCHL & DAD D ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which of the following pair of gates can form a latch? A pair of cross coupled NAND A cross coupled NAND/OR A pair of cross copled AND A pair of cross coupled OR A pair of cross coupled NAND A cross coupled NAND/OR A pair of cross copled AND A pair of cross coupled OR ANSWER DOWNLOAD EXAMIANS APP
Microprocessor When .9432 E – 4 is subtracted from .5452 E – 3 in normalized floating point mode None of the numbers is changed .9432 E – 4 is changed to .09432 E – 3 and .5452 E – 3 is not changed .5452 E – 3 is changed to 5.452 E – 4 but .9432 E – 4 is not changed Both Ihe numbers are changed and their exponents are, made equal to -5 None of the numbers is changed .9432 E – 4 is changed to .09432 E – 3 and .5452 E – 3 is not changed .5452 E – 3 is changed to 5.452 E – 4 but .9432 E – 4 is not changed Both Ihe numbers are changed and their exponents are, made equal to -5 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which of the following is not true during the execution of an interrupt service routine, which does not contain any EI instructions the microprocessor can be interrupted by a non-mask able interrupt all interrupts except non-maskable interrupt are disabled the microprocessor cannot be interrupted by any mask able interrupt the microprocessor cannot be interrupted by any interrupt the microprocessor can be interrupted by a non-mask able interrupt all interrupts except non-maskable interrupt are disabled the microprocessor cannot be interrupted by any mask able interrupt the microprocessor cannot be interrupted by any interrupt ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In microprocessor based system I/O ports are used to interface 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 all the I/O devices the I/O devices and memory chips ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which of the following statements for intel 8085 is correct? PC specifies the number of instructions executed so far Program Counter (PC) specifies the address of the instruction last executed PC specifies the address of the instruction being executed PC specifies the address of the instruction to be executed PC specifies the number of instructions executed so far Program Counter (PC) specifies the address of the instruction last executed PC specifies the address of the instruction being executed PC specifies the address of the instruction to be executed ANSWER DOWNLOAD EXAMIANS APP
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