Microprocessor HLDA signal in 8085 performs the following operation: Indicates that the CPU has received the HOLD request and that it will relinquish the bus in the next clock cycle. 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 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. 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 not received the HOLD request. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8086 the number of bytes which can be addressed directly is about 10000 one million 100000 1000 10000 one million 100000 1000 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In a microcomputer , the address of memory locations are binary numbers that identify each memory circuit where a byte is stored. If a microcomputer uses 20-bit address, then numbers of different memory locations are 220 - 1 220 20 220-1 220 - 1 220 20 220-1 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which one of the following ICs is used to interface keyboard and display? 8279 8253 8251 8259 8279 8253 8251 8259 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 S0 and S1 pins are used for indicating the processor’s status serial communication None of these acknowledging the interrupt indicating the processor’s status serial communication None of these acknowledging the interrupt ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS