# Electronics and Communication Engineering - Digital Electronics

31.

While __________ is the fastest unsaturated logic gate __________ has the excellent noise immunity?

 A. ECL, TTL B. TTL, ECL C. ECL, RTL D. RTL, DTL

Explanation:

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32.

In a 4 bit D/A converter, the offset error is the output voltage when input digital voltage is

 A. 1111 B. 0000 C. either 1111 or 0000 D. none of the above

Explanation:

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33.

To convert SR latch to D latch

 A. connect both S and R to D B. connect D to S directly and D to R through inverter C. connect D to R directly and D to S through inverter D. connect S to D and leave R open

Explanation:

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34.

If a RAM has 34 bits in its MAR and 16 bits its MAR, then its capacity will be

 A. 32 GB B. 16 GB C. 32 MB D. 16 MB

Explanation:

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35.

The output voltage of 5-bit D/A binary ladder that has a digital input of 11010 (Assuming 0 = 0 V and 1 = + 10 V) is

 A. 3.4375 V B. 6.0 V C. 8.125 V D. 8.6875 V