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Digital Electronics

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
 2:3
 1:1
 2:1

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Digital Electronics
Which is the example of digital device from the given option ?

 Sensors
 Record players
 Microprocessors
 Thermistors

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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

 0
 1
 2
 4

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Digital Electronics
The number 10000 would appear just immediately after

7777 (octal)
All of these
FFFF (hex)
1111 (binary)

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Digital Electronics
In a T flip-flop no of input circuit is

 3
 4
 1
 2

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

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