Electronics and Communication Engineering - Digital Electronics

41. 

The Truth Table shown is for a

A. CMO
B. counter
C. flip-flop
D. half adder

Answer: Option D

Explanation:

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42. 

The advantages of flash memory over EEPROM are

A. higher density
B. lower cost
C. both higher density and lower cost
D. none of the above

Answer: Option C

Explanation:

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43. 

In a JK flip flop output Qn = 1 and it does not change when clock pulse is applied. The possible combination of Jn and Kn is (X denotes don't care)

A. X and 0
B. X and 1
C. 0 and X
D. 1 and X

Answer: Option A

Explanation:

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44. 

The minimum decimal equivalent of the number 11C0 is

A. 183
B. 194
C. 268
D. 269

Answer: Option C

Explanation:

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45. 

VF glows with __________ colour when activated.

A. Red
B. Orange
C. Bluish green
D. none of these

Answer: Option C

Explanation:

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