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Digital Computer Electronics

Digital Computer Electronics
What logic function is produced by adding an inverter to each input and the output of an AND gate?

NAND
XOR
OR
NOR
None of these

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Digital Computer Electronics
ASCII and EBCDIC differ in

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

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Digital Computer Electronics
Addition of 1101012 and 1011112 is

11001002
11101112
None of these
1100112
11010002

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Digital Computer Electronics
Which of the following boolean algebra statements represent commutative law

(B+C)(A.B)+(A.C)
A+AA
A+BB+A
None of these
(A+B)+CA+(B+C)

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Digital Computer Electronics
A NOR gate has two or more input signals. All input must be _____ to get a high output

low
1's
None of these
some low some high
high

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Digital Computer Electronics
Conversion of hexadecimal number 1D7F16 to a decimal number is

755110
555710
877110
None of these
778110

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