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Digital Electronics

Digital Electronics
The only function of NOT gate is to ___________.

None of these
Stop signal
Act as a universal gate
Invert input signal

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Digital Electronics
The decimal equivalent of hexadecimal number “BEED” is

 48,777
 47,877
 none
 48,877

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Digital Electronics
11001, 1001 and 111001 correspond to the 2’scomplement representation of the following set of numbers

 -6, -6 and -6 respectively
 -25, -9 and -57 respectively
 -7, -7 and -7 respectively
 25, 9 and 57 respectively

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Digital Electronics
NOT gates are to be added to the inputs of which gate to convert it to a NOR gate?

 X-NOR
 OR
 NAND
 AND

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Digital Electronics
Consider the following multiplication: (10w1z) × (15)10 = (y01011001)2 Which one of the following gives appropriate values of w,y and z?

 w = 0,y = 1,z = 1
 w = 1,y = 1,z = 0
 w = 1,y = 1,z = 1
 w = 0,y = 0,z = 1

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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, 10, 16……..
 2, 4, 6, 8, 10, …..

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