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Question

Identify the devices given below with their IC numbers :

(i) USART                                 (a) 8251
(ii) Micro controller                (b) 8051
(iii) Interrupt controller         (c) 8259
(iv) DMA controller                 (d) 8257

      (i)   (ii)    (iii) (iv)

a.

(a)  (b)   (c)  (d)

b.

(b)  (a)   (d)  (c)

c.

(c)  (d)   (a)  (b)

d.

(d)  (a)   (b)  (c)

Answer: (a).(a)  (b)   (c)  (d)

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Q. Identify the devices given below with their IC numbers : (i) USART                                 (a) 8251 (ii) Micro controller                (b) 8051 (iii) Interrupt...

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