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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?

 2:3
 1:1
 2:1
 1:2

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Digital Electronics
A ROM has a 16-bit address bus. The number of locations in this memory is

 16
 65536
 32
 1024

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Digital Electronics
A single flip-flop can be cleared (reset) to

 1
 Both A and B
 0
 None

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Digital Electronics
A sequence of binary digits is known as

 bit string
 byte string
 word string
 input string

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Digital Electronics
In SSI, the number of gate circuits per chip is

 < 6
 < 12
 < 25
 < 20

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Digital Electronics
The NAND-NAND realization is equivalent to

 AND-OR realization
 OR-AND realization
 NOT-OR realization
 AND-NOT realization

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