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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
 16 × 16
 256 × 1
 32 × 8

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Digital Electronics
The number of rows in the truth table of a 4-input gate is

 8
 4
 12
 16

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Digital Electronics
A flip flop is a _______ circuit.

 None
 Combinational
 Both A and B
 Sequential

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Digital Electronics
Odd parity of a bit stream can be tested using ________ gate.

 AND
 XOR
 NOR
 OR

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Digital Electronics
Convert the binary number (1111000011110000) to hexadecimal number

 7070
 1010
 F0F0
 5050

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Digital Electronics
1s Complement of 11001010 is

 00110111
 00110101
 11001001
 11001011

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