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Digital Electronics

Digital Electronics
The output of a gate is LOW when at least one of its inputs is HIGH. This is true for

 NOR
 OR
 AND
 NAND

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Digital Electronics
The voltage levels for positive logic system

 may be positive or negative
 must necessarily be negative
 must necessarily be 0 V and 5 V
 must necessarily be positive

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Digital Electronics
X + X.Y = ?

 0
 X
 Y
 1

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Digital Electronics
A number system with radix 2 is known as

 Decimal
 Binary
 Octal
 Hexadecimal

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Digital Electronics
An 8 × 4 ROM contains a decoder of size

 3 × 4
 8 × 4
 3 × 8
 8 × 8

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Digital Electronics
AND-OR realization of a combinational circuit is equivalent to

 NAND-NOR realization
 NOR-NOR realization
 NAND-NAND realization
 NOR-NAND realization

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MORE MCQ ON Digital Electronics

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