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Memory Access-self doubt
what is the number of memory accessed required in register indirect mode index register mode base register mode pls explain in details with examples

asked Nov 30, 2018 in CO and Architecture by aditi19 Active (3.7k points) | 66 views

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Self Doubt on GATE2005-65
https://gateoverflow.in/1388/gate2005-65 $\text{In this question, what will be the number of }$ $\textbf{cycles}$ $\text{needed during execution cycle of instruction}$ $\text{According to me I am getting 6 cycles. Please tell what could be the correct answer for it}$

asked Sep 10, 2018 in CO and Architecture by !KARAN Active (1.8k points) | 108 views

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doubt regarding Addressing mode
Can someone explain this line in simple words. The addressing mode specifies a rule for interpreting or modifying the address field of the instruction before the operand is actually executed.

asked Jul 21, 2016 in CO and Architecture by Don't you worry Active (1.4k points) | 190 views

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machine instructions and addressing modes
A digital computer has memory unit with $24$ bits word.The instruction set consists of $150$ different operations. All instructions have an operation code part and an address part. Each instruction is stored in one word of memory. $Q1$ How many bits are needed for the OP-CODE and ... $2^{16}, 2^{24}$ $2^{16},2^{24}-1$ $\textrm{None of these}$

asked May 24 in CO and Architecture by Gitika Babbar (141 points) | 55 views

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What is mean by "Index Value" in Indexed Addressing Mode?
If someone mentioned "index value" in indexed addressing mode then which value is it referring; the value of index register or the constant value? It should be value of index register, isn't it? But from the given snippet it seems that they are referring constant value Please clarify Thank You

asked Jan 8 in CO and Architecture by newbie (57 points) | 103 views

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Indirect index addressing mode
I know about indirect addressing mode , Index addressing mode but do not know about Indirect index addressing mode ? in one solution of a question they told that Indirect index addressing mode does not add some constant value (base address etc ) while calculating the effective address i did not found it on google etc explain Indirect index addressing mode

asked Jan 4 in CO and Architecture by Gurdeep Saini Loyal (9.5k points) | 66 views

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MadeEasy Test Series: CO & Architecture - Addressing Modes
The Data transfer instruction size is $64-bit$ ALU, ALU operation instruction size is $32-bit$ and branch instruction size is $16-bit$. Assume program has been loaded in the memory starting from address 3000 decimal. If an ... executing, PC value will be 3030, but given answer is 3028 Previous Q: https://gateoverflow.in/1058/gate2004-63

asked Dec 27, 2018 in CO and Architecture by Learner_jai Active (2.6k points) | 124 views

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