Digital Computer Electronics MCQ Questions & Answers

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Each section contains 100 MCQs on Digital Computer Electronics .

The number of binary bits required to represent a hexadecimal digit is

A) 3 B) 4 C) 6 D) 8 E) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Instead of counting with binary numbers, a ring counter uses words that have a single high _____

A) bytes B) bit C) gate D) chip E) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Multiplication of 111₂ by 101₂ is

A) 110011₂ B) 100011₂ C) 111100₂ D) 000101₂ E) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

For what logic gate the outputs in complement of the input?

A) NOT B) AND C) OR D) XOR E) None of the above

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

What is the decimal equivalent of 2¹⁰?

A) 4096 B) 1024 C) 1000 D) 16 E) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The maximum number of TTL loads that a TTL device can drive reliably over the specified temperature range is

A) fanout B) bipolar C) chip D) universal logic circuit E) None of the above

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Conversion of hexadecimal number 6B2₁₆ to it's binary number equivalent is

A) 1111000110111₂ B) 011010110010₂ C) 0110011001111₂ D) 11111111₂ E) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The output of the following gate is 0 only if at least one of the inputs is 1:

A) AND gate B) OR gate C) EX-OR gate D) NOR gate E) None of the above

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

In which of the following adder circuits, the carry look ripple delay is eliminated?

A) Half adder B) Full adder C) Parallel adder D) Carry-look-ahead adder E) None of the above

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

With positive clocking the clock signal must be _____ for the flip-flop to respond.

A) high B) low C) set D) race E) None of the above

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

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Digital Computer Electronics MCQ Questions & Answers | Computer Science