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Digital Electronics

Digital Electronics
A binary number system is of base ________

 4
 10
 1
 2

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Digital Electronics
Which one of the following is an invalid state in 8-4-2-1 binary coded decimal counter

 1001
 1000
 0011
 1100

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Digital Electronics
Which of the following BCD codes with an odd parity bit included in the end of code group, have error in the code? (I)1001010110000 (II)0100011101100 (III)0111110000011 (IV)1000011000101

 Both (II)&(III)
 Only (II)
 Both (I)&(IV)
 Both (I) & (II)

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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

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

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Digital Electronics
A full adder has

 3 inputs, 1 output
 3 inputs, 2 outputs
 2 inputs, 1 output
 2 inputs, 2 outputs

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Digital Electronics
Stack is also known as

 FIFO memory
 Flash memory
 LIFO memory
 LILO memory

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