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Digital Computer Electronics

Digital Computer Electronics
The octal equivalent of decimal 324.987 is

815.234
90.987
640.781
None of these
504.771

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Digital Computer Electronics
The ASCII code is a 7-bit code for

All of these
None of these
numbers
letters
other symbols

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

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

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Digital Computer Electronics
What logic function is obtained by adding an inverter to the output of an AND gate?

None of these
OR
NAND
XOR
NOR

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

GaAS
None of these
CMOS
NMOS
TTL

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Digital Computer Electronics
What is the ASCII code for T?

None of these
1011100
1011010
1010100
1011111

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