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Digital Electronics

Digital Electronics
The NAND gate is AND gate followed by ___________.

None of these
AND gate
NOT gate
OR gate

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Digital Electronics
A binary number system is of base ________

 4
 2
 10
 1

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Digital Electronics
In Boolean algebra AND is represented by

 ×
 /
 -
 +

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Digital Electronics
A computer has a word length of 8 bits (including sign). It is required to determine the range of integers that can be stored in the computer. If 2’s complement is used to represent the numbers, then the range will be

 -128 to 128
 -256 to 256
 -256 to 255
 -128 to 127

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Digital Electronics
The momentary change in the output/state of the flip-flops is known as

 inverter
 trigger
 tri-state
 unstable state

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Digital Electronics
Which of these circuits have higher gate complexity 1. Carry look ahead adder 2. Ripple carry adder

 2
 none
 both have same
 1

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