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Digital Electronics

Digital Electronics
A device which converts decimal number into BCD form is called

 code converter
 decoder
 multiplexer
 encoder

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

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

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Digital Electronics
The NOR gate can function as a NOT gate if

 inputs are left open
 one input is set to 1
 one input is set to 0
 all inputs are connected together

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Digital Electronics
LSI means

 Large Scale Invertor
 Large Symbol Integration
 Large Scale Integration
 Large Symbol Invertor

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Digital Electronics
Which of the following is 1’s complement representation of -34?

 11011110
 01011101
 11011101
 10100010

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Digital Electronics
Which of the following BCD codes with an odd parity bit included in the end of code group, have error in the code? (I)1001010110000 (II)0100011101100 (III)0111110000011 (IV)1000011000101

 Both (I) & (II)
 Both (I)&(IV)
 Both (II)&(III)
 Only (II)

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