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Digital Electronics

Digital Electronics
The XS-3 code is a

 weighted code
 self-complementing code
 cyclic code
 error-correcting code

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Digital Electronics
The inputs of a NAND gate are connected together. The resulting circuit is ___________.

NOT gate
None of these
OR gate
AND gate

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

 RST 6.5.
 TRAP.
 INTR.
 RST 7.5.

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Digital Electronics
Which of the following gate is a two-level logic gate

NOT gate
NAND gate
EXCLUSIVE OR gate
OR gate

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Digital Electronics
Why decoder is used in the digital electronics ?

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

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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
 -128 to 127
 -256 to 255

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