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Digital Computer Electronics

Digital Computer Electronics
Conversion of an octal number 1108 to its decimal number is

11010
7210
7310
7010
None of these

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Digital Computer Electronics
A flip-flop is a _____ element that stores a binary digit as a low or high voltage.

bus
None of these
I/O
memory
chip

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Digital Computer Electronics
Which of the following is a universal gate?

AND
None of these
EX-OR
OR
NAND

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Digital Computer Electronics
ASCII and EBCDIC differ in

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

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Digital Computer Electronics
A combinational logic circuit which is used to send data coming from a single source to two or more separate destinations is called as

decoder
None of these
encoder
multiplexer
demultiplexer

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

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

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