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Warning: count(): Parameter must be an array or an object that implements Countable in /home/customer/www/thegatebook.in/public_html/qa/qa-include/qa-theme-base.php on line 177

Warning: count(): Parameter must be an array or an object that implements Countable in /home/customer/www/thegatebook.in/public_html/qa/qa-include/qa-theme-base.php on line 177

Warning: count(): Parameter must be an array or an object that implements Countable in /home/customer/www/thegatebook.in/public_html/qa/qa-include/qa-theme-base.php on line 177

Warning: count(): Parameter must be an array or an object that implements Countable in /home/customer/www/thegatebook.in/public_html/qa/qa-include/qa-theme-base.php on line 177

Warning: count(): Parameter must be an array or an object that implements Countable in /home/customer/www/thegatebook.in/public_html/qa/qa-include/qa-theme-base.php on line 177

Warning: count(): Parameter must be an array or an object that implements Countable in /home/customer/www/thegatebook.in/public_html/qa/qa-include/qa-theme-base.php on line 177

CO-Grand Test -Q5


Warning: count(): Parameter must be an array or an object that implements Countable in /home/customer/www/thegatebook.in/public_html/qa/qa-include/qa-theme-base.php on line 177
+1 vote

Suppose that V is a vector with indices from a to b and that each element of V occupies two words. If the elements of V are stored in consecutive words of memory and \alpha V[a] is the address of word 1 of V[a] , then the address of word 1 of \dpi{100} V[i], where  a\leq i \leq b, is

(A). ( \alpha V[A] - a ) + i

(B). 2 ( \alpha V[A] - a ) + 2i

(C). ( \alpha V[A] - 2a ) + 2i

(D). ( \alpha V[A] - 2 a ) + i

asked Jun 14, 2020 by gbeditor-2 (72,840 points)
edited Jun 25, 2020 by deepak-gatebook

1 Answer

0 votes
 
Best answer

Every element of V occupies 2 words. Base/Starting address is  \alpha V[a] . 

Before V[i], there are (i-a) elements, so, 2(i-a) words before V[i] starts. So, 

Address of V[i] = \alpha V[a] + (i-a)*2

Option C.

answered Jun 25, 2020 by deepak-gatebook (226,240 points)
Answer:

Warning: count(): Parameter must be an array or an object that implements Countable in /home/customer/www/thegatebook.in/public_html/qa/qa-include/qa-theme-base.php on line 177

Warning: count(): Parameter must be an array or an object that implements Countable in /home/customer/www/thegatebook.in/public_html/qa/qa-include/qa-theme-base.php on line 177

Warning: count(): Parameter must be an array or an object that implements Countable in /home/customer/www/thegatebook.in/public_html/qa/qa-include/qa-theme-base.php on line 177
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