Microprocessor How many bytes in a zero memory page should be reserved for vectors used by RST instructions? 64. 32. 16. 128. 64. 32. 16. 128. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Let the content of accumulator and register B be 0000 0100 and 0100 0000 respectively before execution of instruction SUB B. The content of accumulator after the execution of this instruction will be 010001000 00000100 01000000 11000100 010001000 00000100 01000000 11000100 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Identify the communication interfacing device from the following 8251 8155 8255 8257 8251 8155 8255 8257 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? 1, 3, 5 1, 3, 4 2, 3, 5 1, 2, 5 1, 3, 5 1, 3, 4 2, 3, 5 1, 2, 5 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor During OPCODE fetch the state of S0 and S1 is 11 00 10 01 11 00 10 01 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. 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. ANSWER DOWNLOAD EXAMIANS APP
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