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Digital Electronics

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

 NOR
 X-OR
 OR
 NAND

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Digital Electronics
When two n-bit binary numbers are added then the sum will contain at most

 (n + n)-bit
 n-bit
 (n + 2)-bit
 (n + 1)-bit

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Digital Electronics
The way of representing numbers in the form of 0s and 1s is called as

 Zeros Notation
 Computer Notation
 Ones Notation
 Binary Notation

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Digital Electronics
Which one of the following is 2’s complement of -68?

 00111100
 01111100
 10111100
 11000100

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Digital Electronics
For the design of a combinational circuit with four inputs using only NAND gates, the number of K-maps required for the simplification process is

 4
 0
 2
 1

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Digital Electronics
For checking the parity of a digital word, it is preferable to use

 X-OR gates
 AND gates
 NOR gates
 NAND gates

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