Microprocessor In an 8085 microprocessor based system, the contents of SP are 1000H, PUSH B instruction will transfer the contents of registers B & C respectively for memory locations 1000 H and 1001 H 0FFE H and 0FFF H 0FFF H and 0FFE H 1000 H and 0FFF H 1000 H and 1001 H 0FFE H and 0FFF H 0FFF H and 0FFE H 1000 H and 0FFF H ANSWER DOWNLOAD EXAMIANS APP
Microprocessor After RESET 8255 will be in mode 2 mode 0; all ports are output unchanged condition mode 0; all ports are input mode 2 mode 0; all ports are output unchanged condition mode 0; all ports are input ANSWER DOWNLOAD EXAMIANS APP
Microprocessor ‘Burst refresh’ in DRAM is also called Hidden refresh Concentrated refresh None of these Distributed refresh Hidden refresh Concentrated refresh None of these Distributed refresh 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 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. 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
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, 2, 5 1, 3, 4 2, 3, 5 1, 3, 5 1, 2, 5 1, 3, 4 2, 3, 5 1, 3, 5 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which memory has read operation, byte erase, byte write and chip erase? UVEPROM RAM EEPROM Both B and C UVEPROM RAM EEPROM Both B and C ANSWER DOWNLOAD EXAMIANS APP
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