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Digital Computer Electronics

Digital Computer Electronics
The OR gate has two or more input signals. If any input is _____ the output is high.

None of these
low
All of these
high

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Digital Computer Electronics
A NOR gate recognizes only the input word whose bits are _____

0's or 1's
None of these
0's
1's
0's and 1's

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Digital Computer Electronics
An odd-parity generator produces an odd-parity bit to go along with the data. The parity of the transmitted data is _____ An XOR gate can test each received word for parity rejecting words with _____ parity.

odd, even
low, high
high, low
even, odd
None of these

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Digital Computer Electronics
Binary-Coded-decimal (BCD) numbers express each digit as a _____

nibble
None of these
All of these
bit
byte

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Digital Computer Electronics
The 2's compliment of binary number 010111.1100 is

101000.01
None of these
101000.0011
10111.0011
101001.11

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Digital Computer Electronics
A full-adder adds _____ bits, and producing a SUM and a _____

3, CARRY
8, SUBTRACTION
None of these
All of these
16, DIVIDE

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