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Digital Electronics

Digital Electronics
What is the minimum number of two-input NAND gates used to perform the function of 2-input OR gate?

 four
 one
 three
 two

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Digital Electronics
F’s complement of (2BFD)Hex is

 E304
 D403
 C403
 D402

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

 Gray code
 BCD code
 ASCII code
 XS-3 code

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

 10100010
 11011110
 01011101
 11011101

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Digital Electronics
AND operation is equivalant to

 Union
 Both B and C
 Division
 Intersection

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Digital Electronics
Extremely low power dissipation per gate can be gained from

 TTL ICs
 ECL ICs
 CMOS ICs
 MOS ICs

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