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Digital Computer Electronics

Digital Computer Electronics
The 2's compliment of binary number 0.01011 is:

0.10101
1.101
None of these
1.10101
0.101

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Digital Computer Electronics
The simplified form of the Boolean expression (X + Y + XY)(X + Z) is

None of these
XZ + Y
XY + YZ
X + YZ
X + Y + Z

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Digital Computer Electronics
Computers use thousands of flip-flops. To coordinate the overall action, a common signal called the _____ is sent to each flip-flop.

None of these
clock
latch
master
slave

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

AND
XAND
None of these
OR
XOR

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Digital Computer Electronics
The number of binary bits required to represent a hexadecimal digit is

3
8
6
None of these
4

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Digital Computer Electronics
How many outputs signals can a gate have?

None of these
more than one
one
two only
both (a) and (b)

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