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Digital Computer Electronics

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

None of these
XOR
OR
AND
XAND

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

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

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Digital Computer Electronics
The number of two-input NAND gates required to produce the two-input OR function is

4
2
3
1
None of these

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Digital Computer Electronics
The 2764 is 65,536-bit EPROM organized as 8,192 words of 8 bits each. How many address lines does it have?

12
8
13
14
None of these

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Digital Computer Electronics
When a transistor is cut off or saturated, transistor _____ have almost no effect

variations
stage
None of these
circuits
wave

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Digital Computer Electronics
A half-adder adds _____ bits

10
16
8
2
None of these

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