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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?

 2:1
 1:2
 1:1
 2:3

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Digital Electronics
Slowest memory element is

 ROM
 RAM
 Cache
 Hard Drive

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Digital Electronics
What will be the Boolean expression for an inverter logic gate, where input is A and output is G ?

 G = A
 A= G
None of these
 G = Ā

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Digital Electronics
1 Kilo bits are equal to

 1012 bits
 1024 bits
 1000 bits
 1008 bits

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Digital Electronics
The minimum decimal equivalent of the number 11C is

 269
 183
 194
 268

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Digital Electronics
Which of the following is 1’s complement representation of +57

 01000110
 11000110
 00111001
 00000001

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