Which of the following addressing modes require more number of memory accesses? (A) DIRECT (B) I

step 1 Which of the following addressing modes require more number of memory accesses, direct, immediat

Which of the following addressing modes require more number...

Key Concepts

Indirect Addressing

Indirect addressing mode uses a memory location that holds the actual address of the operand. This generally necessitates an extra memory access: the first to retrieve the pointer from the specified address, and the second to access the operand, which makes it more memory access-intensive.

Addressing Mode

Addressing modes define the methods by which instruction operands are accessed or referenced in computer architecture. They dictate whether the operand is specified explicitly within the instruction, held in a register, or located in memory, and influence both the speed and complexity of fetching the operand.

Direct Addressing

Direct addressing mode employs an explicit memory address provided within the instruction to access the operand. This mode typically requires a single memory access to retrieve the operand from memory.

Immediate Addressing

Immediate addressing mode embeds the operand directly within the instruction itself. Since the operand is immediately available from the instruction code, there is no need for additional memory access beyond reading the instruction.

Implicit Addressing

Implicit addressing mode means that the operand is predetermined by the operation being executed or is often contained within a specific register, so the instruction does not need to specify an explicit memory address. This mode minimizes the number of memory accesses as the operand is inherent or explicitly understood by the instruction.

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