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Digital Electronics

Digital Electronics
Which of the following logic circuits is the fastest ?

 DTL.
 TTL.
 RTL.
 All have same speed.

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Digital Electronics
Which of the logical operations is represented by the + sign in Boolean algebra ?

 NAND
 AND
 OR
 NOT

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Digital Electronics
Which one of the following is not a vectored interrupt?

 RST 7.5.
 INTR.
 TRAP.
 RST 6.5.

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Digital Electronics
In a T flip-flop no of input circuit is

 1
 3
 2
 4

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Digital Electronics
Consider the following multiplication: (10w1z) × (15)10 = (y01011001)2 Which one of the following gives appropriate values of w,y and z?

 w = 0,y = 1,z = 1
 w = 0,y = 0,z = 1
 w = 1,y = 1,z = 0
 w = 1,y = 1,z = 1

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Digital Electronics
The binary number 110011.11 is equivalent to decimal number

 50.65
 51.65
 51.75
 50.75

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