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Recent questions tagged addressing-modes

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Instructions
A computer has 40-bit instruction format. It uses 1 register operand and 1 memory operand. There are 128 general purpose registers and 256 M bytes of RAM.Q. 15 How many d...
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Addressing mode
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Addressing Instructions
Are memory to memory instructions allowed?Eg. ADD [123], [345] or MOV [123], [343]If not, then why?
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Addressing Mode
Addressing Mode. InstructionMeaningDescription$1.$Register Addressing Mode(or)Register Direct AM$\text{Add} R_{1},R_{2}$$R_{1}\leftarrow R_{1}+R_{2}$Two General...
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Addressing modes
Instructions are stored in memory. When they are to be executed they are brought into instruction register. Now it is divided as Mode, opcode, operand (log (memory size) ...
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Instruction Addressing
A computer has 170 different operations. Word size is 4 bytes one word instructions requires two address fields. One address for register and one address for memory. If t...
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Addressing mode
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addressing modes
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Addressing mode
Plz describeWhich addressing mode does this following line represents and how?Index addressing mode, $X\left ( R_{1} \right )$, where $X$ is an offset represented in $2$'...
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Addressing Mode
Adding a constant to the content of registerIs ita)Immediate mode or b) Indexed mode?
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CO Addressing
A computer has 32 bit instruction and 12 bit address . If there are 250 two address instructions , the no. of one -address instructions can be .....Plz formulate a generi...
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Addresing mode
Please Explain in detail
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CO: Addressing Mode Question
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Effective Address Calculation
Plz discuss every part with detailed solution with diagram .
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Addressing Modes
How many memory accesses required by the following instructions?SUB r1, r2, r3MUL r1, r2, (r3)DIV r1, r2, @(r4)Suppose every instruction is one word long, as well as ever...
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Relative Addressing Mode
A two- word instruction is stored in a location A. The operand part of instruction holds B. If the addressing mode is relative , the operand is available in location :A. ...
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ISRO-DEC2017-43
Consider an instruction of the type $\text{LW R1, 20(R2)}$ which during execution reads a $32$-$bit$ word from memory and stores it in a $32$-$bit$ register $R1.$ The eff...
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Addressing Mode
"The Address Part of the Index Addressing mode Instruction must set to zero,to behave like Register Indirect Mode Instruction"IS IT A VALID STATEMENT ?
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MadeEasy Subject Test: CO & Architecture - Addressing Modes
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Addressing modes
Computer uses addressing modes to reduce number of bits in the addressing field of instruction.Justify this statement and give relevant reasons.
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Addressing Mode
I have a doubt PC Relative addressing modes permits relocation without any change whatsoever in the code,but why not Base register addressing as both addressing mode are ...
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Addressing modes
Can somebody explain what is indirect indexed addressing mode ? Is it similar to indexed addressing mode ? Will the effective address be calculated by adding some constan...
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UGC NET CSE | November 2017 | Part 3 | Question: 4
Which of the following addressing mode is best suited to access elements of an array of contiguous memory locations?Indexed addressing mode Base Register add...
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addressing mode reduces no of bits?
computer uses addressing modes to reduce the number of bits in the addressing field of the instructionCan someone please explain how this statement is true? PLEASEExample...
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addressing modes
How many memory cycles are required with following Addressing modes?1. Indirect mode : 22. Absolute mode :13.Indexed Mode : Confusion here as offset is a constant so acco...
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Addressing
branch address sign displacement -32.Can anybody explain this line with example? Do it mean target address can be 32 bit before branch address?
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helpless mind
What is the difference between Base addressing and Index addressing?And finally how does based indexed addressing works?
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UGC NET CSE | December 2008 | Part 2 | Question: 38
In which addressing mode, the effective address of the operand is generated by adding a constant value to the contents of register ?absolute mode immediate mode ...
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Register Direct and Indirect Addressing Mode
I am watching IIT Madras lecture of Addressing mode, in that Prof take an example, in which we have a register r0 = 1000Link:- https://www.youtube.com/watch?v=p9wxyIx-j-c...
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UGC NET CSE | June 2009 | Part 2 | Question: 33
In which addressing mode the operand is given explicitly in the instruction itself ?Absolute mode Immediate mode Indirect mode Index mode
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