# Fundamentals Of Digital Electronics2

7 Questions | Total Attempts: 225  Settings  DE quizzes 10 questions

• 1.
A logic gate is an electronic circuit which
• A.

Makes logic decisions

• B.

Allows electron flow only in one direction

• C.

Works on binary algebra

• D.

Alternates between 0&1 values

• 2.
In negative logic, the logic state 1 corresponds to
• A.

Negative logic

• B.

Zero voltage

• C.

More negative voltage

• D.

Lower voltage level

• 3.
The output of a 2-input OR the gate is 0 only when it’s
• A.

Both inputs are 0

• B.

Either input is 1

• C.

Both inputs are 1

• D.

Either input is 0

• 4.
An AND gate
• A.

• B.

Is equivalent to a series switching circuit

• C.

Is an any-or-all gate

• D.

Is equivalent to a parallel switching circuit

• 5.
The only function of a NOT gate is to
• A.

Stop a signal

• B.

Recomplement a signal

• C.

Invert an input signal

• D.

Act as a universal set

• 6.
What will be the decimal equivalent of (111011.10)2
• A.

48.625

• B.

59.487

• C.

48.487

• D.

59.625

• 7.
The decimal equivalent of sum of two binary numbers is         (1010101)2 and (1001010)2
• A.

300

• B.

200

• C.

326

• D.

226

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