in CO and Architecture reopened by
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Match list $I$ with List $II$ and select the correct answer using the codes given below the lists :

$${\begin{array}{|c|c|c|}\hline
&\textbf{List I} & & \textbf{List II}\\\hline A.& 0\text{-address instruction} & i.& T=TOP(T-1) \\\hline B.& 1\text{-address instruction} & ii.& Y = Y+X  \\\hline C. & 2\text{-address instruction} & iii.& Y = A-B \\\hline D. & 3\text{-address instruction} & iv.& ACC = ACC-X \\\hline 
\end{array}}$$

$\textbf{Codes:}$

  1. A-i, B-ii, C-iii, D-iv
  2. A-iii, B-ii, C-iv, D-i
  3. A-ii, B-iii, C-i, D-iv
  4. A-i, B-iv, C-ii, D-iii
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2 Comments

option D is correct
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1 Answer

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1. zero address as no extra address is specified (top is implied address like in stack)

2. one address i.e. X is specified

3.. X and Y are address

4. Y,A and B are three address

D is correct.

1 comment

Option D is correct
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Answer:

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