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Digital Computer Electronics

Digital Computer Electronics
The Gray code for decimal 7 is

100
101
1011
None of these
111

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

None of these
All of these
byte
nibble
bit

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

vacuum tube
registers
chips
microprocessor
None of these

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Digital Computer Electronics
Conversion of binary number 10010102 to to its decimal number is

None of these
7210
9710
7410
6310

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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
even, odd
low, high
high, low
odd, even

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

XAND
OR
AND
None of these
XOR

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