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

De Morgan's first theorem says that a NOR gate is equivalent to a bubbled _____ gate.

A

AND

B

XAND

C

XOR

D

NOR

E

None of the above

A NAND gate is equivalent to an AND gate followed by an inverter. All inputs must be _____ to get a low output

A

low

B

high

C

some low and some high

D

0's

E

None of the above

One 'Therm' is equivalent to

A

10⁵ BTU

B

10⁵ kcal

C

10⁹ BTU

D

10⁹ kcal

The NAND gate is AND gate followed by ___________.

A

NOT gate

B

OR gate

C

AND gate

D

None of the above

The inverter OR gate and AND gate are called decision-making elements because they can recognize some input _____ while disregarding others. A gate recognizes a word when its output is _____

A

words, high

B

bytes, low

C

bytes, high

D

character, low

E

None of the above

The EXCLUSIVE - NOR gate is equivalent to an _____ gate followed by an invertor.

A

OR

B

AND

C

NAND

D

XOR

E

None of the above

The NOR gate is logically equivalent to an OR gate followed by an _____

A

AND

B

XAND

C

XOR

D

inverter

E

None of the above

A NAND gate is called a universal logic element because

A

It is used by everybody

B

Any logic function can be realized by NAND gates alone

C

All the minization techniques are applicable for optimum NAND gate realization

D

Many digital computers use NAND gates.

The inputs of a NAND gate are connected together. The resulting circuit is ___________.

A

OR gate

B

AND gate

C

NOT gate

D

None of the above

A Thevenin ac equivalent circuit always consists of an equivalent ac voltage source and an equivalent capacitance.

A

True

B

False

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

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