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Identify the devices given below with their $\textsf{IC}$ numbers :

$\begin{array}{clcl}  \text{(a)} & \text{USART} & \text{(i)} & \text{8251}  \\ \text{(b)} & \text{Micro Controller} & \text{(ii)} & \text{8051} \\  \text{(c)} & \text{Interrupt C ontroller } & \text{(iii)} & \text{8259} \\ \text{(d)} & \text{DMA Controller} & \text{(iv)}& \text{8257} \\ \end{array}$

  1. $\text{(a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)}$
  2. $\text{(a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)}$
  3. $\text{(a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)}$
  4. $\text{(a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)}$
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(i) USART                               (a) 8251
(ii) Micro controller             (b) 8051
(iii) Interrupt controller     (c) 8259
(iv) DMA controller             (d) 8257

Option A is  correct Choice .

 

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