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Digital Computer Electronics

Digital Computer Electronics
The octal equivalent of decimal 324.987 is

90.987
640.781
504.771
None of these
815.234

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Digital Computer Electronics
Which of the following logic families use bipolar transistors?

GaAS
CMOS
TTL
NMOS
None of these

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Digital Computer Electronics
Convert the 1000 0000 0000 1111 signed binary number to decimal number.

30
-15
15
None of these
-30

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

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

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Digital Computer Electronics
Which of the following is a universal gate?

OR
AND
None of these
EX-OR
NAND

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Digital Computer Electronics
The XOR gates are ideal for testing parity because even-parity words produce a _____ output and odd-parity words produce a _____ output

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

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