Microprocessor Using one 8259 IC is equivalent to providing …………. INTR pins on 8085 12 18 16 8 12 18 16 8 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor How can we make any bit of a register “1”? OR that bit with “0” and remaining bits with “1”. OR that bit with “1” and remaining bits with “0”. AND that bit with “1” and remaining bits with “0”. AND that bit with “0” and remaining bits with “1”. OR that bit with “0” and remaining bits with “1”. OR that bit with “1” and remaining bits with “0”. AND that bit with “1” and remaining bits with “0”. AND that bit with “0” and remaining bits with “1”. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor HLDA signal in 8085 performs the following operation: Indicates that the CPU has not received the HOLD request. Indicates that the CPU has received the HOLD request and that it will relinquish the bus in the next clock cycle. Hold the data in the accumulator until the microprocessor is turned OFF. Indicates that another master is requesting the use of the address and data buses. Indicates that the CPU has not received the HOLD request. Indicates that the CPU has received the HOLD request and that it will relinquish the bus in the next clock cycle. Hold the data in the accumulator until the microprocessor is turned OFF. Indicates that another master is requesting the use of the address and data buses. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor During which T-state, contents of OP code from memory are loaded into IR (Instruction Register)? T3 OP code fetch T1 OP code fetch T2 OP code fetch T4 OP code fetch T3 OP code fetch T1 OP code fetch T2 OP code fetch T4 OP code fetch 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 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 zero flag will be reset and carry flag will be set zero and carry flags will be reset ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The reason for the presence of ALE pin in 8085, but not in 6800 is that 8085 has multiplexed bus, whereas 6800 does not have None 8085 uses I/O mapped I/O, whereas 6800 uses memory mapped I/O 8085 has 5 interrupts lines, whereas 6800 has only two 8085 has multiplexed bus, whereas 6800 does not have None 8085 uses I/O mapped I/O, whereas 6800 uses memory mapped I/O 8085 has 5 interrupts lines, whereas 6800 has only two ANSWER DOWNLOAD EXAMIANS APP
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