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Digital Electronics

Digital Electronics
The binary code of (21.125)10 is

10101.001
10100.111
10100.001
10101.01

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Digital Electronics
What is the gray code for the binary 101011?

 101011
 110101
 111110
 011111

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Digital Electronics
The number 10000 would appear just immediately after

1111 (binary)
All of these
FFFF (hex)
7777 (octal)

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Digital Electronics
A Nibble is equal to ________ bit(s)

 1
 8
 4
 2

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

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Digital Electronics
Which of the following gates is known as anticoincidence detector?

 OR gate
 AND gate
 X-NOR gate
 X-OR gate

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