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Digital Electronics

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
 1:2
 1:1
 2:3

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Digital Electronics
When will be the output of an AND gate is LOW ?

 When all input is LOW
 When any input is LOW
 When all inputs are HIGH
 When any input is HIGH

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Digital Electronics
A group of four bits is known as

 Nibble
 Bit
 Byte
 Word

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Digital Electronics
A sequence of binary digits is known as

 input string
 bit string
 byte string
 word string

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Digital Electronics
What is the gray code for the binary 101011?

 110101
 011111
 111110
 101011

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Digital Electronics
What will be Excess - 3 code for decimal ( 584 )?

  (0111 0100 1000).
 (1011 0111 1000).
 (1000 0111 1110).
  (1000 1011 0111).

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