Microprocessor Because we wish to allow each ASCII code to occupy one location in memory, most memories are __________ addressable. DOUBLEWORD (32 bits) BYTE NIBBLE WORD (16 bits) DOUBLEWORD (32 bits) BYTE NIBBLE WORD (16 bits) ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which one of the following instruction may be used to clear the accumulator content irrespective of its initial value? ORA A MOV A, 00H SUB A CLR A ORA A MOV A, 00H SUB A CLR A ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In order to complement the lower nibble of accumulator one can use XRI 0FH CMA ORI 0FH ANI 0FH XRI 0FH CMA ORI 0FH ANI 0FH ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The program counter in a 8085 micro-processor is a 16-bit register, because There are 16 address lines It has to fetch two 8-bit data at a time It counts 16-bits at a time It facilitates the user storing 16-bit data temporarily There are 16 address lines It has to fetch two 8-bit data at a time It counts 16-bits at a time It facilitates the user storing 16-bit data temporarily ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Let the content of accumulator and register B be 0000 0100 and 0100 0000 respectively before execution of instruction SUB B. The content of accumulator after the execution of this instruction will be 01000000 010001000 11000100 00000100 01000000 010001000 11000100 00000100 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In microprocessor based system I/O ports are used to interface all the I/O devices the I/P device only the I/O devices and memory chips the O/P devices only all the I/O devices the I/P device only the I/O devices and memory chips the O/P devices only ANSWER DOWNLOAD EXAMIANS APP
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