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Displacement and Stack Addressing mode - computer architecture:
Displacement Addressing:
In displacement addressing mode there are three types of addressing mode. They are following:
I. Base register addressing
II. Indexing addressing.
III. Relative addressing
This is a grouping of register indirect addressing and direct addressing. The value contained in 1 address field. Directly A is used and the other address refers to a register whose contents are added to A to generate the effective address.
Stack Addressing:
Stack is a linear array of locations which referred to as last-in first out queue. The stack is a booked block of location, deleted and appended only at the top of the stack. Stack pointer is a register which hold the address of top of stack location. This mode of addressing is also called as implicit addressing.
Add 648 and 487 in BCD code. Ans. In BCD Code, addition of 648 and 487: 6 4 8 = 0 1 1 0 0 1 0 0 1 0 0 0 4 8 7 = 0 1 0 0 1 0 0 0 0 1 1 1 ---------------------
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