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Digital Electronics

Digital Electronics
Simplified form of the function f = (x+y+xy)(x+z)

 y+xz
 x+yz
 x+y
 x+xyz

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Digital Electronics
The decimal equivalent of the highest possible address for an 8-bit address bus is

 255
 128
 8
 256

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Digital Electronics
For checking the parity of a digital word, it is preferable to use

 AND gates
 NOR gates
 NAND gates
 X-OR gates

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Digital Electronics
F’s complement of (2BFD)Hex is

 D402
 C403
 D403
 E304

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Digital Electronics
The number of digit 1 present in the binary representation of (3 × 512 + 7 × 64 + 5 × 8 + 3) is

 9
 8
 6
 7

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Digital Electronics
Complement of XNOR and NOR is ________ and ________ respectively.

 NOR, XNOR
 XOR, OR
 OR, NOR
 XOR, NOR

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