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Digital Electronics

Digital Electronics
Four ROM chips of 16 × 4 size have their address buses connected together. This system will be of size

 256 × 1
 32 × 8
 16 × 16
 64 × 4

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Digital Electronics
A gate is inhibited when its inhibit input is at logic 1. The gate is

 NAND
 none of these
 AND
 OR

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Digital Electronics
An AND gate can be imagined as

 switches connected in parallel
 switches connected in series
 transistors connected in paralle
 transistors connected in series

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

 none of these
 OR
 NOR
 NAND

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Digital Electronics
The output of a logic gate is 1 when all its inputs are at logic 1. The gate is either

 an OR or an X-OR
 a NAND or a NOR
 an AND or an OR
 an AND or a NOR

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Digital Electronics
What is the difference between xor gate and exor gate.

 both are same
 xor and exor are complement of each other
 xor gives one output while exor gives two
 xor gives two outputs while exor gives one

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