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Digital Electronics

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

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

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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

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

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Digital Electronics
The difference between the diagram of a NOR and OR gate is

 OR is more squared than NOR
 NOR has got a bubble at its output terminal
 OR is more oval than NOR
 OR has got a bubble at its output terminal

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Digital Electronics
When will be the output of an AND gate is HIGH if there are three inputs, A, B, and C ?

 A = 1, B = 1, C = 0
 A = 1, B = 1, C = 1
 A = 1, B = 0, C = 1
 A = 0, B = 0, C = 0

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Digital Electronics
How many bits are required to store one BCD digit ?

 1
 3
 2
 4

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Digital Electronics
For checking the parity of a digital word, it is preferable to use

 NOR gates
 X-OR gates
 NAND gates
 AND gates

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MORE MCQ ON Digital Electronics

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