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Digital Computer Electronics

Digital Computer Electronics
A preliminary guide for comparing the simplicity of logic circuits is to count the number of input _____ leads.

bus
None of these
wire
All of these
gate

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Digital Computer Electronics
Which of the following logic expression is wrong?

1 + 1=0
1 + 0=1
1+0+1 = 1
None of these
1 + 1 + 1 = 1

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Digital Computer Electronics
A logic circuit which is used to change a BCD number into an equivalent decimal number is

multiplexer
encoder
None of these
code converter
decoder

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Digital Computer Electronics
_____dominates the LSI field, and _____ is used extensively where lowest power consumption is necessary.

NMOS, PMOS
None of these
PMOS, CMOS
MOSFET, PMOS
NMOS, CMOS

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Digital Computer Electronics
The _____ gate has two or more input signals. All inputs must be high to get a high output

None of these
NAND
NOR
AND
OR

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Digital Computer Electronics
Which of the following logic families use bipolar transistors?

TTL
GaAS
CMOS
None of these
NMOS

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