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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

 64 × 4
 256 × 1
 32 × 8
 16 × 16

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Digital Electronics
How many stable state/states present in flip-flop ?

 4
 2
 3
 1

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Digital Electronics
The output of a gate is HIGH if and only if all its inputs are LOW. It is true for

 NAND
 NOR
 X-OR
 X-NOR

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Digital Electronics
Truth table is used to express

 Boolean map
 Boolean matrix
 Boolean expression
 Boolean addition

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Digital Electronics
The output of a logic gate is 0 when all its inputs are at logic 1. The gate is either

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

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Digital Electronics
The data bus width of a ROM of size 2048 × 8 bits is

 12
 8
 10
 16

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MORE MCQ ON Digital Electronics

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