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Digital Electronics

Digital Electronics
The 2s complement of 17 is

 101110.
 111110.
 110001.
  101111.

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Digital Electronics
A + Ā is equal to

 Ā
 0
 A
 1

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Digital Electronics
The AND-OR realization of a combinational circuit requires three 3-input AND gates and one 3-input OR gate. This circuit can be designed using

 three 3-input NAND gates and one 3-input NOR gate
 four input NAND gates only
 three 3-input OR gates and one 3-input AND gate
None of these

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

 NAND
 OR
 none of these
 NOR

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

 50 to 100
 12 to 99
 < 500
 < 50

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Digital Electronics
A number system with radix 2 is known as

 Binary
 Decimal
 Hexadecimal
 Octal

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