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Digital Electronics

Digital Electronics
A 15-bit Hamming code requires

 none of these.
 15 parity bits
 5 parity bits
 4 parity bits

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Digital Electronics
(1D)16 in BCD 8421 code is

 00011101
 00011111
 00101001
 00100100

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Digital Electronics
Which of the following is known as a mod-2 adder?

 NAND gate
 NOR gate
 X-NOR gate
 X-OR gate

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Digital Electronics
The decimal equivalent of the highest possible address for an 8-bit address bus is

 8
 128
 255
 256

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

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

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Digital Electronics
In ULSI, the number of gate circuits per chip is

 1,00,000 to 10,00,000
 50,000 to 99,999
 > 1,00,000
 > 50,000

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