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Digital Electronics

Digital Electronics
OR operation is equivalant to

 Both B and C
 Division
 Intersection
 Union

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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
 -127 to 127
 -256 to 255

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Digital Electronics
The number of rows in the truth table of a 4-input gate is

 8
 12
 4
 16

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Digital Electronics
The binary code of (21.125)10 is

10100.111
10101.001
10101.01
10100.001

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Digital Electronics
Why decoder is used in the digital electronics ?

None of these
 It is used to separate address bus and data bus
 To convert non coded information into coded form
 To convert coded information into non coded form

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

AND gate
NOT gate
OR gate
None of these

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