Microprocessor HLDA signal in 8085 performs the following operation: 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. 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. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8085 name/names of the 16 bit registers is/are stack pointer. both A and B. none of these. program counter. stack pointer. both A and B. none of these. program counter. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor IN an intel 8085A microprocessor, why is READY signal used? To indicate to user that the microprocessor is working and is ready for use. None of these To slow down a fast peripheral device so as to communicate at the microprocessor’s device. To provide proper WAIT states when the microprocessor is communicating with a slow peripheral device. To indicate to user that the microprocessor is working and is ready for use. None of these To slow down a fast peripheral device so as to communicate at the microprocessor’s device. To provide proper WAIT states when the microprocessor is communicating with a slow peripheral device. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which of the following is a valid integer constant? 127 127 125 + 3 127 127 127 125 + 3 127 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Assuming LSB is at position 0 and MSB at position 7, which bit positions are not used (Undefined) in flag register of an 8085 microprocessor? 1, 2, 5 1, 3, 5 2, 3, 5 1, 3, 4 1, 2, 5 1, 3, 5 2, 3, 5 1, 3, 4 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor How many T-states are required for execution of OUT 80H instruction? 7 13 16 10 7 13 16 10 ANSWER DOWNLOAD EXAMIANS APP
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