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Digital Electronics

Digital Electronics
NOT gates are to be added to the inputs of which gate to convert it to a NAND gate?

 OR
 AND
 NOT
 X-OR

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Digital Electronics
Slowest memory element is

 Hard Drive
 Cache
 RAM
 ROM

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

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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 only function of NOT gate is to ___________.

Act as a universal gate
Invert input signal
None of these
Stop signal

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Digital Electronics
A boolean function can be transformed into logical ________.

 map
 matrix
 graph
 diagram

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