12 Questions
What is the primary disadvantage of immediate addressing?
The address field is restricted to the size of the address field
In direct addressing, what does the address field contain?
Effective address of the operand
What is a characteristic of register addressing that distinguishes it from direct addressing?
It has a large address field in the instruction
Why does register indirect addressing require only one memory reference?
Register stores data without need for memory access
What advantage does indirect addressing have over direct addressing?
Requires less memory references
How does register access compare to memory access?
Register access is faster than memory access
What is addressing mode?
How the bits of an instruction are organized to define the operand addresses and operation
Which addressing technique involves the operand being actually present in the instruction?
Immediate
What is the advantage of immediate addressing mode?
Does not require any memory reference other than the instruction fetch
In the notation mentioned, what does 'EA' stand for?
Effective address
Which addressing mode can be used to set initial values of variables?
Immediate addressing
What does 'X' represent in the notation provided?
Contents of location X
Learn about how the bits of an instruction are organized to define the operand addresses and operation in computer architecture. This quiz covers common addressing techniques like Immediate, Direct, Indirect, Register, Register Indirect, Displacement, and Stack.
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