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Digital Electronics

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

 6
 7
 8
 9

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Digital Electronics
A device which converts 2421 code into 8421code is called a

 code converter
 code decoder
 coder
 code encoder

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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
A hexadecimal odometer displays F 52 F. The next reading will be

F52E
G52F
F53F
F53O

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Digital Electronics
The number FF in base-16 systems will be equal to ________ in binary system.

 11101110
 10011001
 11111111
 10101010

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Digital Electronics
The hex address of the 256th memory location is

 001FF
 00100
 000FF
 00FFF

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