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Digital Electronics

Digital Electronics
Which of the following is known as a mod-2 adder?

 X-NOR gate
 NOR gate
 X-OR gate
 NAND gate

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Digital Electronics
(11011) 2 in BCD 8421 code is

 11011001
 00100111
 00011011
 01101100

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Digital Electronics
The largest positive number that can be stored in a computer that has 16-bit word length and uses two’s complement arithmetic is

 32,767
 32
 32,768
 65,536

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Digital Electronics
A self-complementing code for the decimal digits is created using the weight 4 4 3 -2. The value of 8592 in the code is

 1100 0111 1111 0011
 1000 0101 1001 0010
 1100 1011 1111 1001
 1100 1001 1111 1000

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Digital Electronics
A small circle or dot on top of an IC represents

 Pin2
 Pin13
 Pin14
 Pin1

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Digital Electronics
Which circuit is used in between two systems having two different codes

 Both A and B
 Sequential
 Conversion
 Combinational

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