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कनन

(CUCBCSS—UG)

Core

Course

THIRD SEMESTER B.Sc. DEGREE EXAMINATION, NOVEMBER 2018

BCS 3B 04—FUNDAMENTALS OF DIGITAL ELECTRONICS
(2014 Admissions)

: Three Hours

Part A

Answer all questions.
Each question carries 1 mark.

Give the decimal value of binary 10010:

(a) 649. (b) 910.
(¢) 1810. (6) 20.

The decimal number 10 is represented in its BCD form as:
(a) 00010000. (b) 01010.
(c) 1010. (d) 001010.

Which of the following expressions is in the SOP form ?
(a) AB+CD. (0) 38 (20).

(£) (&+ 8)(0 + 0).

. & 77 00 has

(a) Nostable state.
(c) Two stable state.

. A multiplexer has

(a) One input and several outputs.
(b) One input and one output.

(d) (A)B(CD).

(b) One stable stage.
(d) None of the above.

(c) Several inputs and several outputs.

(d) Several inputs and one output.

. The Boolean expression is equivalent to :

(a) AB (CD).
(6) (A—B)(C + D).

®) १७३४8 + 00.
(൪) None of these.

ರ್ಯಾ”

Maximum : 80 Marks

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