Microprocessor The 8085 microprocessor uses a crystal of frequency 6.25 Mhz. The T-state value is 640ns 1280ns 960ns 320ns 640ns 1280ns 960ns 320ns ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In an intel 8085A, which is the first machine cycle of an instruction? An op-code fetch cycle An I/O read cycle A memory read cycle A memory write cycle An op-code fetch cycle An I/O read cycle A memory read cycle A memory write cycle ANSWER DOWNLOAD EXAMIANS APP
Microprocessor What is used to access 16-bit data in 8086? Pipeline architecture. Memory Banking. Data Banking. None of these Pipeline architecture. Memory Banking. Data Banking. None of these ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which one of the following ICs is used to interface keyboard and display? 8259 8251 8279 8253 8259 8251 8279 8253 ANSWER DOWNLOAD EXAMIANS APP
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 the CPU has not received the HOLD request. Hold the data in the accumulator until the microprocessor is turned OFF. 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. Indicates that the CPU has not received the HOLD request. Hold the data in the accumulator until the microprocessor is turned OFF. Indicates that another master is requesting the use of the address and data buses. ANSWER DOWNLOAD EXAMIANS APP