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Digital Electronics

Digital Electronics
The number 10000 would appear just immediately after

7777 (octal)
FFFF (hex)
All of these
1111 (binary)

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Digital Electronics
In the toggle mode a JK flip-flop has

 J = 1, K = 0.
 J = 1, K = 1.
 J = 0, K = 1.
 J = 0, K = 0.

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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

 256 × 1
 32 × 8
 64 × 4
 16 × 16

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

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

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Digital Electronics
What logic function is produced by adding inverters to the inputs of an AND gate?

 NOR
 NAND
 OR
 X-OR

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Digital Electronics
When will be the output of an AND gate is HIGH if there are three inputs, A, B, and C ?

 A = 1, B = 1, C = 0
 A = 0, B = 0, C = 0
 A = 1, B = 1, C = 1
 A = 1, B = 0, C = 1

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