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Digital Electronics

Digital Electronics
Which of the following is known as a mod-2 adder?

 NAND gate
 X-OR gate
 X-NOR gate
 NOR gate

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Digital Electronics
Each term in the standard POS form is called a

 literal
 minterm
 maxterm
 don’t care

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Digital Electronics
The X-OR and X-NOR gates can have how many inputs?

 1
 2
 4
 any number

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

 64 × 4
 32 × 8
 16 × 16
 256 × 1

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Digital Electronics
If a Hexadecimal number needs to convert to binary. For each hexadecimal digit, there will be how many bits

 4
 2
 8
 1

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

 NOR
 OR
 NAND
 none of these

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