Microprocessor Inintel 8085A microprocessor ALE signal is made high to To latch data D0-D7 from data bus To disable data bus To achieve all the functions listed above Enable the data bus to be used as low order address bus To latch data D0-D7 from data bus To disable data bus To achieve all the functions listed above Enable the data bus to be used as low order address bus ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The microprocessor issues ALE during first T-state of fetch cycle only every machine cycle memory READ cycle only memory WRITE cycle only fetch cycle only every machine cycle memory READ cycle only memory WRITE cycle only ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Total number of instructions in 8085 microprocessor assembly language is 244 247 245 246 244 247 245 246 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The stack pointer may be in RAM or ROM resides in RAM resides in ROM resides in microprocessor may be in RAM or ROM resides in RAM resides in ROM resides in microprocessor ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Consider the following statements: Arithmetic Logic Unit (ALU) 1.Performs arithmetic operations 2.Performs comparisons. 3.Communicates with I/O devices 4.Keeps watch on the system Which of these statements are correct? 1, 2, 3 and 4 3 and 4 only 1 and 2 only 1, 2 and 3 1, 2, 3 and 4 3 and 4 only 1 and 2 only 1, 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor HLDA signal in 8085 performs the following operation: Hold the data in the accumulator until the microprocessor is turned OFF. Indicates that the CPU has received the HOLD request and that it will relinquish the bus in the next clock cycle. Indicates that the CPU has not received the HOLD request. Indicates that another master is requesting the use of the address and data buses. Hold the data in the accumulator until the microprocessor is turned OFF. Indicates that the CPU has received the HOLD request and that it will relinquish the bus in the next clock cycle. Indicates that the CPU has not received the HOLD request. Indicates that another master is requesting the use of the address and data buses. ANSWER DOWNLOAD EXAMIANS APP
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