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Digital Electronics

Digital Electronics
The switch which clears a flip-flop is know as

 Both A and B
 Reset
 Clear
 None

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Digital Electronics
A self-complementing code for the decimal digits is created using the weight 4 4 3 -2. The value of 8592 in the code is

 1000 0101 1001 0010
 1100 1011 1111 1001
 1100 1001 1111 1000
 1100 0111 1111 0011

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Digital Electronics
A bubbled NOR gate is equivalent to a

 X-OR gate
 AND gate
 NOR gate
 NAND gate

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Digital Electronics
A 15-bit Hamming code requires

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

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

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Digital Electronics
A + Ā is equal to

 0
 1
 Ā
 A

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