Microprocessor When referring to instruction words, a mnemonic is a short abbreviation for the operation to be performed. shorthand for machine language. a short abbreviation for the data word stored at the operand address. a short abbreviation for the operand address. a short abbreviation for the operation to be performed. shorthand for machine language. a short abbreviation for the data word stored at the operand address. a short abbreviation for the operand address. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor HLDA signal in 8085 performs the following operation: 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. Indicates that another master is requesting the use of the address and data buses. Hold the data in the accumulator until the microprocessor is turned OFF. 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. Indicates that another master is requesting the use of the address and data buses. Hold the data in the accumulator until the microprocessor is turned OFF. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor S0 and S1 pins are used for None of these indicating the processor’s status serial communication acknowledging the interrupt None of these indicating the processor’s status serial communication acknowledging the interrupt ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The relation among IC (Instruction Cycle), FC (Fetch cycle) and EC (Execute Cycle) is EC = IC + FC IC = FC - EC IC = FC + EC IC = FC + 2EC EC = IC + FC IC = FC - EC IC = FC + EC IC = FC + 2EC ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In an 8085 microprocessor based system, the contents of SP are 2000H. POP H instruction will transfer the contents of memory location 2001H and 2002H to H and L registers respectively 2000H and 1999H to H and L registers respectively 2000H and 1FFFH to H and L registers respectively 2001H and 2000H to H and L registers respectively 2001H and 2002H to H and L registers respectively 2000H and 1999H to H and L registers respectively 2000H and 1FFFH to H and L registers respectively 2001H and 2000H to H and L registers respectively ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A sequence of two registers that multiplies the content of DE register pair by two and stores the result in HL register pair (in 8085 assembly language) is XTHL & DAD H PCHL & DAD D XCHG & DAD H XCHG & DAD B XTHL & DAD H PCHL & DAD D XCHG & DAD H XCHG & DAD B ANSWER DOWNLOAD EXAMIANS APP
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