INTRODUCTION TO MICROPEOCESSOR
MICRO PROCESSOR AND MICRO CONTROLLER
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
Load ALU
|
|
|
Load Flag
|
|
|
Load Accumulator
|
|
|
All of above
|
Detailed explanation-1: -In 8085 Instruction set, LDA is a mnemonic that stands for LoaD Accumulator with the contents from memory. In this instructionAccumulatorwill get initialized with 8-bit content from the 16-bit memory address as indicated in the instruction as a16. This instruction uses absolute addressing for specifying the data.
Detailed explanation-2: -ADVERTISEMENT. In 8085 Instruction set, LDAX is a mnemonic that stands for LoaD Accumulator from memory pointed by eXtended register pair denoted as “rp” in the instruction. This instruction uses register indirect addressing for specifying the data. It occupies only 1-Byte in the memory.
Detailed explanation-3: -LDA 2000H : Load the accumulator with the content present in memory location 2000H. The instruction which has only one part i.e. opcodes is known as one byte instruction.