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Digital Computer Electronics

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

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

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

bit
byte
All of these
nibble
None of these

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Digital Computer Electronics
Conversion of an octal number 1258 to its decimal number is

8710
9910
None of these
8510
9010

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

998
None of these
1098
1008
1038

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Digital Computer Electronics
De Morgan's second therm says that NAND gate is equivalent to a bubbled _____ gate.

OR
None of these
AND
XAND
XOR

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Digital Computer Electronics
An OR gate has 6 inputs. What is the only input word that produces a 0 output?

111000
None of these
111111
111

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