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Digital Electronics

Digital Electronics
How many numbers are used in the decimal number system?

 0 to 10
None of these
 0 to 9
 1 to 10

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Digital Electronics
2's Complement of 10101011 is

 10101100
 01010101
 10101011
 00111100

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Digital Electronics
If two numbers in excess-3 code are added and the result is less than 9, then to get equivalent binary

 0011 is added
 0110 is added
 0110 is subtracted
 0011 is subtracted

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Digital Electronics
A ROM has a 16-bit address bus. The number of locations in this memory is

 1024
 32
 16
 65536

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Digital Electronics
The universal gate is ___________

OR gate
AND gate
None of these
NAND gate

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Digital Electronics
A new Binary Coded Pantry (BCP) number system is proposed in which every digit of a base-5 number is represented by its corresponding 3-bit binary code. For example, the base-5 number 24 will be represented by its BCP code 010100. In this numbering system,the BCP code 100010011001 corresponds to the following number in base-5 system

 423
 4231
 2201
 1324

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