Electronics and Communication Engineering - Digital Electronics

6. 

The hexadecimal number 5 F is equal to binary number

A. 1010011
B. 1011001
C. 1010101
D. 1011111

Answer: Option D

Explanation:

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7. 

Which of the following methods is used for solving differential equations numerically?

A. Runge-Kutta method
B. Gauss-elimination method
C. Newton-Raphson method
D. Any one of these

Answer: Option A

Explanation:

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8. 

Some ADCs are

  1. Parallel
  2. Updown
  3. Single slope
  4. Dual slope
  5. Successive approximation
  6. Stair step
Out of above which ones do not use DAC?

A. 1 only
B. 1, 3, 4
C. 1, 2, 3
D. 1, 5, 6

Answer: Option B

Explanation:

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9. 

As compared to TTL, ECL has

A. lower power dissipation
B. lower propagation delay
C. higher propagation delay
D. higher noise margin

Answer: Option B

Explanation:

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10. 

A 16-megabit dynamic random access memory (DRAM) is an integrated circuit capable of storing __________ characters (bytes).

A. 1048567
B. 16 x 1024 x 106
C. 16 x 106
D. 2.1 x lo6

Answer: Option D

Explanation:

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