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Digital Electronics

Digital Electronics
An 8-square is called

 a pair
 a quad
 an octet
 a cube

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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 .

 500 Hz.
 2 KHz.
 250 Hz.
  1 KHz.

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Digital Electronics
The output of a gate is LOW if and only if all its inputs are HIGH. It is true for

 NAND
 AND
 NOR
 X-NOR

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Digital Electronics
Among the logic families, the family which can be used at very high frequency greater than 100 MHz in a 4 bit synchronous counter is

TTLLS
TTLAS
ECL
CMOS

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Digital Electronics
How many entries will be in the truth table of a 3 input NAND gate ?

 3
 6
 9
 8

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Digital Electronics
Odd parity of a bit stream can be tested using ________ gate.

 XOR
 NOR
 AND
 OR

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