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Digital Electronics

Digital Electronics
9’s complement of 52784630 is

 57316379
 58326479
 48225469
 47215369

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Digital Electronics
A hexadecimal odometer displays F 52 F. The next reading will be

G52F
F53O
F53F
F52E

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Digital Electronics
The only function of NOT gate is to ___________.

Act as a universal gate
None of these
Stop signal
Invert input signal

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Digital Electronics
When will be the output of an AND gate is HIGH if there are three inputs, A, B, and C ?

 A = 1, B = 1, C = 0
 A = 0, B = 0, C = 0
 A = 1, B = 1, C = 1
 A = 1, B = 0, C = 1

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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 1’s complement is used to represent the numbers, then the range will be

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

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Digital Electronics
In Boolean algebra, OR is represented by

 /
 -
 ×
 +

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