MICROPROCESSOR AND MICROCONTROLLER

8051 INSTRUCTION SET ADDRESSING MODES

ARCHITECTURE OF 8085

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Direct addressing mode carries
A
Address in the syntax
B
data in the syntax
C
opcode in the syntax
D
operand in the syntax
Explanation: 

Detailed explanation-1: -In direct addressing mode, the address field contains the address of the operand. Only a single memory reference is required to access data.

Detailed explanation-2: -Absolute mode: In this addressing mode, the address of location of the operand is given explicitly as a part of the instruction. This addressing mode is also known as direct addressing mode.

Detailed explanation-3: -Immediate addressing mode. Register addressing mode. Direct addressing mode. Register indirect addressing mode. Based addressing mode. Indexed addressing mode. Based-index addressing mode. Based indexed with displacement mode.

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