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Digital Electronics

Digital Electronics
An any or all gate is the other name of

 AND gate
 X-NOR gate
 OR gate
 X-OR gate

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Digital Electronics
Which one of the following even parity codes are in errors. (I)100110010 (II)011101010 (III)10111111010001010

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

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Digital Electronics
1 Gigabyte is equal to

 1024 bytes
 1024 Mbytes
 1024 bits
 1024 kbytes

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Digital Electronics
A three-state buffer has the following output states

 1, 0, float
 High, Low, Float
 Both A and B
 Set, Reset, Halt

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Digital Electronics
(44)8 in BCD 8421 code is

 00110110
 00100100
 01100011
 01000100

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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 2’s complement is used to represent the numbers, then the range will be

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

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