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Digital Electronics

Digital Electronics
An all or nothing gate is the other name of

 AND gate
 X-NOR gate
 X-OR gate
 OR gate

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Digital Electronics
A gate is enabled when its enable input is at logic 1. The gate is

 OR
 NOR
 NAND
 none of these

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Digital Electronics
The effect of stray magnetic field on the actuating torque of a portable instrument is maximum when the operating field of the instrument and the stray fields are

 Inclined at 30°.
 Inclined at 60°.
 Perpendicular.
  Parallel.

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Digital Electronics
Which one of the following is correct sequence of the numbers represented in the series(2)3, (10)4, (11)5, (14)6, (22)7,…………….

 2, 4, 6, 10, 12, …
 2, 3, 4, 5, 6, ….
 2, 4, 6, 8, 10, …..
 2, 4, 6, 10, 16……..

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Digital Electronics
The 7-bit Hamming code is used to transmit

 3 data bits
 7 data bits
 4 data bits
 no data bits

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Digital Electronics
The binary number 10101 is equivalent to decimal number ___________.

21
19
12
27

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