Electronics and Communication Engineering - Digital Electronics

1. 

High speed counter

A. ring counter
B. ripple counter
C. synchronous counter
D. asynchronous counter

Answer: Option C

Explanation:

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2. 

Registers and counters are similar in the sense that they both

A. count pulses
B. store binary information
C. are made from an array of flip-flops and gates integrated on a single chip
D. are shift registers

Answer: Option C

Explanation:

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3. 

2's complement representation of a 16 bit number (one sign bit and 15 magnitude bit) is FFFF. Its magnitude in decimal representation is

A. 0
B. 1
C. 32676
D. 65, 535

Answer: Option B

Explanation:

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4. 

A 4 line to 16 line decoder has

A. 16 inputs and 4 outputs
B. 4 inputs and 16 outputs
C. either (a) or (b)
D. neither (a) nor (b)

Answer: Option B

Explanation:

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5. 

Which one of the following is the correct sequence of the numbers represented in the series given below?

A. 2, 3, 4, 5, 6......
B. 2, 4, 6, 8, 10 .....
C. 2, 4, 6, 10, 12......
D. 2, 4, 6, 10, 16 .....

Answer: Option D

Explanation:

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