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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.

OR
XOR
AND
None of these
XAND

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

stage
circuits
None of these
variations
wave

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Digital Computer Electronics
Express -7 as 16-bit signed binary numbers.

None of these
0111 0000 0000 0000
0000 0000 0000 0111
1000 0000 0000 0111
0111 0000 0000 0001

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Digital Computer Electronics
The hexadecimal digits are 0 to 9 and A to _____

E
G
F
D
None of these

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Digital Computer Electronics
What logic function is produced by adding an inverter to each input and the output of an AND gate?

OR
NOR
NAND
XOR
None of these

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Digital Computer Electronics
Which TTL sub-family has maximum speed?

low power TTL
None of these
high speed TTL
schottky-clamped TTL
standard TTL

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