Microprocessor How many T-states are required for execution of OUT 80H instruction? 16 13 10 7 16 13 10 7 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8085 microprocessor based system maximum possible number of input/output devices can be connected using I/O mapped I/O technique is 64 65536 512 256 64 65536 512 256 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor During the execution of the instruction, the ________tests the status and control flags and updates them based on the results of executing the instruction. None of these Both ‘c’ and ‘d’ Execution Unit (EU) Bus Interface Unit (BIU) None of these Both ‘c’ and ‘d’ Execution Unit (EU) Bus Interface Unit (BIU) ANSWER DOWNLOAD EXAMIANS APP
Microprocessor HLT opcode means end of program. load accumulator with contents of register. load data to accumulator. store result in memory. end of program. load accumulator with contents of register. load data to accumulator. store result in memory. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor IN an intel 8085A microprocessor, why is READY signal used? To slow down a fast peripheral device so as to communicate at the microprocessor’s device. None of these 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. To slow down a fast peripheral device so as to communicate at the microprocessor’s device. None of these 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. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In order to save accumulator value on the stack, which of the following instruction may be used POP PSW PUSH PSW PUSH A PUSH SP POP PSW PUSH PSW PUSH A PUSH SP ANSWER DOWNLOAD EXAMIANS APP
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