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Digital Electronics

Digital Electronics
A 32 × 10 ROM contains a decoder of size

 32 × 32
 32 × 10
 5 × 32
 10 × 32

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Digital Electronics
Which of the following is a self-complementing code?

 Gray code
 Hamming code
 cyclic code
 XS-3 code

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Digital Electronics
A 15-bit Hamming code requires

 5 parity bits
 15 parity bits
 none of these.
 4 parity bits

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Digital Electronics
In the boolean algebra, a variable has ________ different state(s)/value(s).

 1
 4
 3
 2

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Digital Electronics
The simplified block diagram of a 10-bit A/D converter of dual slope integrator type is shown in figure. The 10-bit counter at the output is clocked by a 1 Mhz clock. Assuming negligible timing overhead for the control logic, the maximum frequency of the analog signal that can be converted using this A/D converted is approximately .

  1 KHz.
 2 KHz.
 500 Hz.
 250 Hz.

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Digital Electronics
The state of a flip-flop can be switched by changing its ________ signals.

 clearing
 output
 input
 triggering

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