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Digital Electronics

Digital Electronics
A 16-square eliminates

 4 variables
 3 variables
 8 variables
 2 variables

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Digital Electronics
If J = K (J and K are shorted) in a JK flip-flop, what circuit is made

 K flip-flop
 SR flip-flop
 Shorted JK flip-flop
 T flip-flop

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Digital Electronics
A gate is disabled when its disable input is at logic 0. The gate is

 OR
 AND
 NOR
 none of these

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Digital Electronics
An EPROM

 is programmable
 is of random-access type
All of these
 is non volatile

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Digital Electronics
The code used in digital systems to represent decimal digits, letters, and other special characters such as + , – , . , * , etc. is

 ASCII
 natural BCD
 hexadecimal
 octal

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Digital Electronics
Positive integers must be represented by

 unsigned number
 None of these
 signed numbers
 Both A and B

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