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Digital Computer Electronics

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

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

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Digital Computer Electronics
A combinational logic circuit which generates particular binary word or number is

multiplexer
decoder
demultiplexer
encoder
None of these

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Digital Computer Electronics
Conversion of decimal number 9910 to hexadecimal number is

None of these
6116
6316
5016
816

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Digital Computer Electronics
The _____ gate has two or more input signals. All inputs must be high to get a high output

NAND
NOR
None of these
OR
AND

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Digital Computer Electronics
The maximum number of TTL loads that a TTL device can drive reliably over the specified temperature range is

fanout
bipolar
chip
universal logic circuit
None of these

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

AND
XAND
OR
XOR
None of these

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