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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?

64
None of these
128
32
16

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Digital Computer Electronics
The octal equivalent of decimal 324.987 is

815.234
None of these
90.987
640.781
504.771

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Digital Computer Electronics
ASCII and EBCDIC differ in

their collecting sequences
their efficiency in storing data
None of these
the random and sequential access method
the number of bytes used to store characters

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Digital Computer Electronics
An odd-parity generator produces an odd-parity bit to go along with the data. The parity of the transmitted data is _____ An XOR gate can test each received word for parity rejecting words with _____ parity.

high, low
even, odd
None of these
odd, even
low, high

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Digital Computer Electronics
An AND gate has 7 inputs. How many input word are in its truth table?

128
16
64
None of these
32

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Digital Computer Electronics
De Morgan's second therm says that NAND gate is equivalent to a bubbled _____ gate.

OR
AND
XAND
XOR
None of these

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