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Digital Electronics

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

 2
 1
 4
 3

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Digital Electronics
Which of the following operations is commutative but not associative?

 X-OR
 OR
 NAND
 AND

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Digital Electronics
Queue is also known as

 Flash memory
 LILO memory
 LIFO memory
 FIFO memory

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Digital Electronics
When will be the output of a NOT gate is HIGH ?

 the input is HIGH
None of these
 the input is LOW
 the input is HIGH and LOW

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Digital Electronics
A group of four bits is known as

 Nibble
 Word
 Bit
 Byte

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Digital Electronics
9’s complement of 52784630 is

 58326479
 57316379
 48225469
 47215369

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