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Digital Electronics

Digital Electronics
The binary number 110011.11 is equivalent to decimal number

 51.75
 50.65
 51.65
 50.75

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Digital Electronics
A Nibble is equal to ________ bit(s)

 4
 2
 1
 8

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

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

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Digital Electronics
The data bus width of a ROM of size 2048 × 8 bits is

 8
 16
 12
 10

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Digital Electronics
The number of 1 in 8-bit representation of 127 in 2’s complement form is m and that in 1,s complement form is n. What is the value of m:n?

 1:2
 2:1
 2:3
 1:1

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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

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

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