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Digital Electronics

Digital Electronics
A bubbled NAND gate is equivalent to a

 OR gate
 NOR gate
 NAND gate
 X-OR gate

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Digital Electronics
What logic function is produced by adding inverters to the inputs of an AND gate?

 NAND
 OR
 NOR
 X-OR

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Digital Electronics
A system has following negative numbers stored in binary form as shown. The wrongly stored number is

 -48 as 11101000
 -32 as 11100000
 -37 as 11011011
 -89 as 10100111

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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

 2201
 4231
 423
 1324

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Digital Electronics
Why generic array logic (GAL) device was invented ?

 Mask programmable
None of these
 One-time programmable
 Reprogrammable

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Digital Electronics
In binary number system the first digit (bit) from right to left is called as

 MSB, Most Significant Bit
 LSB, Least Significant Bit
 Last Bit
 First Bit

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