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Digital Computer Electronics

Digital Computer Electronics
Conversion of an octal number 478 to its binary number is

1100112
11110112
None of these
1001112
1100112

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Digital Computer Electronics
The number of two-input NAND gates required to produce the two-input OR function is

None of these
4
3
1
2

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Digital Computer Electronics
A microcomputer is a computer that uses a _____ for its CPU.

None of these
microprocessor
chips
registers
vacuum tube

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Digital Computer Electronics
In which code the successive code characters differ in only one bit position?

algebraic code
8421 code
None of these
gray code
excess 3 code

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Digital Computer Electronics
The output of the following gate is 0 only if at least one of the inputs is 1:

EX-OR gate
AND gate
NOR gate
OR gate
None of these

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

NOR
XOR
None of these
NAND
OR

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