Digital Computer Electronics MCQ Questions & Answers

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Each section contains 100 MCQs on Digital Computer Electronics .

What logic function is produced by adding an inverter to the output of an AND gate?

A) NAND B) NOR C) XOR D) OR 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 decimal number 28₁₀ to it's octal number equivalent is

A) 32₈ B) 40₈ C) 34₈ D) 36₈ E) None of the above

Discuss

Answer & Solution

Answer: Option C

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

Division of 100011₂ by 101₂ is

A) 100₂ B) 111₂ C) 101₂ D) 1010₂ E) None of the above

Discuss

Answer & Solution

Answer: Option B

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

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

Discuss

Answer & Solution

Answer: Option D

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

The dynamic race hazard problem occurs in

A) combinational circuits only B) sequential circuits only C) both combinational and sequential circuits D) none of the combinational and sequential circuits E) None of the above

Discuss

Answer & Solution

Answer: Option D

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

Resistor Ratio design is used in linear ICs because

A) Ratios increase input resistance B) Ratios increase amplifier gain C) Precise resistor values are not possible with IC processes D) All of the above E) None of the above

Discuss

Answer & Solution

Answer: Option C

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

What advantages do ICs have over discrete-device circuits due to their greater complexity (i.e. more circuitary in less area)

A) Smaller size B) Higher reliability C) Lower cost D) All of the above E) None of the above

Discuss

Answer & Solution

Answer: Option D

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

Conversion of an octal number 136₈ to hexadecimal number is

A) 7E₁₆ B) 5E₁₆ C) 5A₁₆ D) 5D₁₆ E) None of the above

Discuss

Answer & Solution

Answer: Option B

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

The control and arithmetic-logic sections are called the _____

A) Block diagram B) Control Unit C) Input / Output Unit D) Central Processing Unit E) None of the above

Discuss

Answer & Solution

Answer: Option D

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

How many full adders are required to construct an m- bit parallel adder?

A) m/2 B) m-1 C) m D) m+1 E) None of the above

Discuss

Answer & Solution

Answer: Option B

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

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Digital Computer Electronics MCQ Questions & Answers | Computer Science