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Digital Computer Electronics

Digital Computer Electronics
The EXCLUSIVE - NOR gate is equivalent to an _____ gate followed by an invertor.

AND
OR
NAND
XOR
None of these

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Digital Computer Electronics
The Gray code for decimal 7 is

1011
100
111
101
None of these

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Digital Computer Electronics
The digits used in a binary number system are _____ and _____

None of these
3 and 4
0 and 1
9 and 0
1 and 2

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Digital Computer Electronics
A shift register moves the _____ left or right. Serial loading means storing a word in a shift register by entering _____ bit per clock pulse. With parallel or broadside loading, it takes only one _____ pulse to load the input word.

bits, one, register
right, eight, clock
light, eight, clock
bits, one, clock
None of these

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

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

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Digital Computer Electronics
The functional capacity for LSI devices is

12 to 99 gates
None of these
more than 10,000 gates
1 to 11 gates
100 to 10,000 gates

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