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Digital Computer Electronics

Digital Computer Electronics
An OR gate has 6 inputs. How many input words are in its truth table?

128
64
None of these
16
32

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Digital Computer Electronics
Which of the following is not true?

0X0 = 0
0 x 1 = 1
None of these
1 x 0 = 0
1 x 1 = 1

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Digital Computer Electronics
Conversion of an octal number 1258 to its decimal number is

None of these
9910
9010
8710
8510

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Digital Computer Electronics
The EXCLUSIVE - NOR gate is equivalent to an _____ gate followed by an invertor.

AND
XOR
OR
NAND
None of these

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Digital Computer Electronics
A shift register moves the _____ left or right. Serial loading means storing a word in a shift register by entering _____ bit per clock pulse. With parallel or broadside loading, it takes only one _____ pulse to load the input word.

bits, one, register
None of these
light, eight, clock
bits, one, clock
right, eight, clock

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Digital Computer Electronics
Cyclic codes are used in

arithmetic and logical computation
data transfer
continuously varying signal representation
None of these
All of these

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