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Digital Electronics

Digital Electronics
EBCDIC code is a

 7-bit code
 10-bit code
 8-bit code
 5-bit code

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Digital Electronics
The maximum positive and negative numbers which can be represented in two’s complement form using n bits are respectively,

 +(2n-1-1),-2n-1
 +2n-1,-(2n-1+1)
 +2n-1,-2n-1
 +(2n-1-1),-(2n-1-1)

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Digital Electronics
Excess-3 code is known as

Algebraic code
Cyclic redundancy code
Weighted code
Self-complementing code

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Digital Electronics
The devices commonly used for making digital circuits are

 relays
 contact switches
 semiconductor devices
 mechanical switches

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

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

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Digital Electronics
What is the minimum number of NAND gates required to realize an X-OR gate?

 3
 6
 5
 4

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