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Digital Electronics

Digital Electronics
Which of the following is 1’s complement representation of -34?

 11011110
 01011101
 11011101
 10100010

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Digital Electronics
The set of which logic gates is designated as universal gate?

  NOR , NAND.
 NOT, OR , AND.
 XNOR, NOR, NAND.
 XNOR, NOR, NAND.

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Digital Electronics
The codes in which each successive code word differs from the preceding one in only one bit position are called

 cyclic codes
 sequential codes
 BCD codes
 self-complementing codes

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Digital Electronics
The decimal equivalent of hexadecimal number “BEED” is

 48,877
 47,877
 48,777
 none

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Digital Electronics
In which code do the successive code characters differ in only one position?

 XS-3 code
 8421 code
 Hamming code
 Gray code

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Digital Electronics
Queue is also known as

 FIFO memory
 LILO memory
 Flash memory
 LIFO memory

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