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Digital Computer Electronics

Digital Computer Electronics
Binary means _____

Four
Ten
Two
None of these
Three

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Digital Computer Electronics
The octal equivalent of decimal 324.987 is

504.771
815.234
640.781
None of these
90.987

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Digital Computer Electronics
What is the 2's-complement representation of -24 in a 16-bit microcomputer?

0001 0001 1111 0011
1111 1111 1110 0111
0000 0000 0001 1000
1111 1111 1110 1000
None of these

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Digital Computer Electronics
The 2-input XOR gate has a high output only when the input bits are _____

low
high
different
None of these
even

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Digital Computer Electronics
The output 0 and 1 levels for TTL logic family is approximately

None of these
0.9 and 1.75V
0.1 and 5 V
-1.75 and -0.9 V
0.6 and 3.5 V

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Digital Computer Electronics
An OR gate can be imagined as

All of these
switches connected in series
MOS transistors connected in series
None of these
switches connected in parallel

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