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Digital Computer Electronics

Digital Computer Electronics
Which of the following is a universal gate?

AND
OR
EX-OR
NAND
None of these

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

All of these
byte
nibble
bit
None of these

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Digital Computer Electronics
The simplified form of the Boolean expression (X + Y + XY)(X + Z) is

X + Y + Z
X + YZ
XY + YZ
XZ + Y
None of these

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Digital Computer Electronics
A byte is consist of _____ bits

None of these
eight
four
two
ten

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Digital Computer Electronics
The reduced form of the Boolean expression (A+B)(A+C) is:

None of these
A+B+C
AC+B
AB+AC
A+BC

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

registers
microprocessor
chips
vacuum tube
None of these

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