Microprocessor In order to complement the lower nibble of accumulator one can use ANI 0FH ORI 0FH XRI 0FH CMA ANI 0FH ORI 0FH XRI 0FH CMA 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 not received the HOLD request. Indicates that another master is requesting the use of the address and data buses. 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 the CPU has not received the HOLD request. Indicates that another master is requesting the use of the address and data buses. Indicates that the CPU has received the HOLD request and that it will relinquish the bus in the next clock cycle. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Circuit A is a 1-bit adder; circuit B is a 1 bit multiplier.[Hint: Construct the truth table for the adder and the multiplier] Circuit B has more gates than circuit A Circuit A has more gates than circuit B Circuit A has the same number of gates as circuit B None of these Circuit B has more gates than circuit A Circuit A has more gates than circuit B Circuit A has the same number of gates as circuit B None of these ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which of the following is not a general purpose peripheral? Programmable interrupt controller I/O port Programmable CRT controller Programmable interval timer Programmable interrupt controller I/O port Programmable CRT controller Programmable interval timer ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A number of 1-bit registers used in microprocessors to indicate certain conditions are usually referred to as flags latches shift registers counters flags latches shift registers counters ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which one of the following statement is false? A microprocessor has an ALU A microprocessor has bi-directional data bus A microprocessor has unidirectional address bus A microprocessor has bi-directional address bus A microprocessor has an ALU A microprocessor has bi-directional data bus A microprocessor has unidirectional address bus A microprocessor has bi-directional address bus ANSWER DOWNLOAD EXAMIANS APP