Microprocessor Identify the programmable DMA controller from the following 8251 8253 8257 8279 8251 8253 8257 8279 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Because we wish to allow each ASCII code to occupy one location in memory, most memories are __________ addressable. NIBBLE BYTE WORD (16 bits) DOUBLEWORD (32 bits) NIBBLE BYTE WORD (16 bits) DOUBLEWORD (32 bits) ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The first machine cycle of an instruction is always A memory write cycle A fetch cycle A memory read cycle An I/O read cycle A memory write cycle A fetch cycle A memory read cycle An I/O read cycle ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In order to complement the lower nibble of accumulator one can use XRI 0FH ORI 0FH ANI 0FH CMA XRI 0FH ORI 0FH ANI 0FH CMA ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8085 microprocessor , let the accumulator contains the value 0AH and register C contains the value 05H. After CMP C instruction is executed, the zero flag will be reset and carry flag will be set zero and carry flags will be reset zero flag will be set and carry flag will be reset zero and carry flags will be set zero flag will be reset and carry flag will be set zero and carry flags will be reset zero flag will be set and carry flag will be reset zero and carry flags will be set ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In one’s complement 8 bit representation 11111111 represents -1 1 +0 -0 -1 1 +0 -0 ANSWER DOWNLOAD EXAMIANS APP
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