Microprocessor In order to save accumulator value on the stack, which of the following instruction may be used POP PSW PUSH SP PUSH PSW PUSH A POP PSW PUSH SP PUSH PSW PUSH A ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Using one 8259 IC is equivalent to providing …………. INTR pins on 8085 16 12 8 18 16 12 8 18 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. Execution Unit (EU) Both ‘c’ and ‘d’ None of these Bus Interface Unit (BIU) Execution Unit (EU) Both ‘c’ and ‘d’ None of these Bus Interface Unit (BIU) ANSWER DOWNLOAD EXAMIANS APP
Microprocessor HLT opcode means load accumulator with contents of register. end of program. store result in memory. load data to accumulator. load accumulator with contents of register. end of program. store result in memory. load data to accumulator. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor How many machine cycles are required for execution of IN 30H instruction 5 4 6 3 5 4 6 3 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Inintel 8085A microprocessor ALE signal is made high to To disable data bus To achieve all the functions listed above To latch data D0-D7 from data bus Enable the data bus to be used as low order address bus To disable data bus To achieve all the functions listed above To latch data D0-D7 from data bus Enable the data bus to be used as low order address bus ANSWER DOWNLOAD EXAMIANS APP