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Digital Electronics

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

 7070
 1010
 F0F0
 5050

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

 y+xz
 x+xyz
 x+yz
 x+y

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Digital Electronics
A half adder has

 2 inputs and 2 output
 1 input and 1 output
 2 inputs and 1 outputs
 1 input and 2 outputs

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Digital Electronics
(44)8 in BCD 8421 code is

 00100100
 01000100
 01100011
 00110110

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Digital Electronics
A gate is inhibited when its inhibit input is at logic 1. The gate is

 NAND
 OR
 none of these
 AND

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Digital Electronics
The main criterion in the design of a digital circuit is reduction of

 size
 volume
 cost
 weight

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