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Digital Electronics

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
ASCII and EBCDIC codes are

 numeric codes
 error correcting codes
 BCD codes
 alphanumeric codes

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Digital Electronics
Maximum number in decimal that can be represented by 4 bits (binary) is

 4
 7
 16
 15

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Digital Electronics
X OR X' will result

 X
 0
 X'
 1

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Digital Electronics
The number of rows in the truth table of a 4-input gate is

 8
 4
 12
 16

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Digital Electronics
The AND-OR realization of a combinational circuit requires three 3-input AND gates and one 3-input OR gate. This circuit can be designed using

 three 3-input NAND gates and one 3-input NOR gate
 three 3-input OR gates and one 3-input AND gate
None of these
 four input NAND gates only

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