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Digital Electronics

Digital Electronics
The inputs of a NAND gate are connected together. The resulting circuit is ___________.

OR gate
None of these
AND gate
NOT gate

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Digital Electronics
A system has following negative numbers stored in binary form as shown. The wrongly stored number is

 -48 as 11101000
 -37 as 11011011
 -32 as 11100000
 -89 as 10100111

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Digital Electronics
To add two m-bit numbers, the required number of half adder is

 2m-1
 2m+1
 2m-1
 2m

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Digital Electronics
A gate is enabled when its enable input is at logic 1. The gate is

 OR
 NOR
 none of these
 NAND

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Digital Electronics
A bubbled NOR gate is equivalent to a

 AND gate
 NOR gate
 NAND gate
 X-OR gate

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Digital Electronics
Which is typically the longest: bit,byte,nibble,word?

 nibble
 bit
 byte
 word

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