Microprocessor In an intel 8085A, which is the first machine cycle of an instruction? An op-code fetch cycle A memory read cycle An I/O read cycle A memory write cycle An op-code fetch cycle A memory read cycle An I/O read cycle A memory write cycle ANSWER DOWNLOAD EXAMIANS APP
Microprocessor An 8-bit microprocessor can have ………….. address lines. 8 32 16 cannot be predicted 8 32 16 cannot be predicted ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Internet is a worldwide network of computers where most of the information is freely available. False True False True ANSWER DOWNLOAD EXAMIANS APP
Microprocessor HLT opcode means load data to accumulator. 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. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor HLDA signal in 8085 performs the following operation: Indicates that another master is requesting the use of the address and data buses. 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. 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 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. Hold the data in the accumulator until the microprocessor is turned OFF. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Maximum of how many devices can be connected simultaneously to the microprocessor via 8257 in DMA data transfer mode? 4 10 6 8 4 10 6 8 ANSWER DOWNLOAD EXAMIANS APP
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