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Digital Computer Electronics

Digital Computer Electronics
The number of binary bits required to represent a hexadecimal digit is

3
4
None of these
8
6

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Digital Computer Electronics
Conversion of decimal number 6710 to it's octal number equivalent is

1008
1098
998
None of these
1038

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Digital Computer Electronics
The number of input words in a truth table always equals _____ where n is the number of inputs bits.

2n
4n
8n
10n
None of these

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

AND gate
NOR gate
OR gate
None of these
NAND gate

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

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

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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

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

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