Microprocessor Pick out the matching pair READY; RIM S0;S1;wait status HOLD; DMA SID; SIM READY; RIM S0;S1;wait status HOLD; DMA SID; SIM ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The microprocessor issues ALE during first T-state of memory READ cycle only memory WRITE cycle only fetch cycle only every machine cycle memory READ cycle only memory WRITE cycle only fetch cycle only every machine cycle ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Consider the following statements: Arithmetic Logic Unit (ALU) 1.Performs arithmetic operations 2.Performs comparisons. 3.Communicates with I/O devices 4.Keeps watch on the system Which of these statements are correct? 3 and 4 only 1 and 2 only 1, 2, 3 and 4 1, 2 and 3 3 and 4 only 1 and 2 only 1, 2, 3 and 4 1, 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Assuming LSB is at position 0 and MSB at position 7, which bit positions are not used (Undefined) in flag register of an 8085 microprocessor? 2, 3, 5 1, 3, 5 1, 3, 4 1, 2, 5 2, 3, 5 1, 3, 5 1, 3, 4 1, 2, 5 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The 8085 microprocessor uses a crystal of frequency 6.25 Mhz. The T-state value is 1280ns 640ns 320ns 960ns 1280ns 640ns 320ns 960ns 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 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. ANSWER DOWNLOAD EXAMIANS APP
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