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Digital Electronics

Digital Electronics
Consider the operation 24+17 = 40 .What is the correct base of number so that operation is correct?

 12
 10
 11
 13

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Digital Electronics
Digital circuit can be made by the repeated use of ___________

NAND gates
None of these
OR gates
NOT gates

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Digital Electronics
What is the gray code for the binary 101011?

 011111
 101011
 111110
 110101

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Digital Electronics
A computer has a word length of 8 bits (including sign). It is required to determine the range of integers that can be stored in the computer. If 1’s complement is used to represent the numbers, then the range will be

 -256 to 256
 -256 to 255
 -127 to 127
 -128 to 127

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Digital Electronics
A digital circuit that can store on bit is a

 gate
 registor
 flip-flop
 XOR gate

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Digital Electronics
NAND. gates are preferred over others because these

have lower fabrication area
provide maximum density in a chip.
consume least electronic power
can be used to make any gate

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