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Digital Electronics

Digital Electronics
A bubbled OR gate is equivalent to a

 NOR gate
 AND gate
 NAND gate
 X-OR gate

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Digital Electronics
Extended Binary Coded Decimal Interchange Code is an ________ bit code.

 16
 8
 7
 32

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Digital Electronics
Which mechanism allocates the binary value to the states in order to reduce the cost of the combinational circuits?

State Assignment
State Minimization
State Reduction
State Evaluation

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Digital Electronics
A group of four bits is known as

 Nibble
 Bit
 Byte
 Word

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Digital Electronics
The number of 1 in 8-bit representation of 127 in 2’s complement form is m and that in 1,s complement form is n. What is the value of m:n?

 2:1
 1:1
 1:2
 2:3

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Digital Electronics
8421 code is

 alphanumeric code
 self-complementing code
 weighted code
 non-weighted code

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