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Digital Electronics

Digital Electronics
Which of the following codes is known as the 8421 code?

 BCD code
 Gray code
 ASCII code
 XS-3 code

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Digital Electronics
Complement of NOR and OR gate is ________ and ________ respectively.

 NOR, OR
 AND, NAND
 OR, NOR
 NAND, AND

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Digital Electronics
A switch-tail ring counter is made by using a single D-FF, the following circuit is

  D FF.
  J-K FF.
  T FF.
  S-R FF.

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Digital Electronics
1 Gigabyte is equal to

 1024 kbytes
 1024 bits
 1024 bytes
 1024 Mbytes

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Digital Electronics
2-out-of-5 code is

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

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Digital Electronics
(44)8 in BCD 8421 code is

 01000100
 00100100
 01100011
 00110110

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