Digital Computer Electronics MCQ Questions & Answers

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Each section contains 100 MCQs on Digital Computer Electronics .

Digital design often starts by constructing a _____ table.

A) Standard B) Two-stage C) Truth D) Two-dinensional E) None of the above

Discuss

Answer & Solution

Answer: Option C

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

The hexadecimal digits are 0 to 9 and A to _____

A) E B) F C) G D) D E) None of the above

Discuss

Answer & Solution

Answer: Option B

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

The ASCII

A) is a subset of 8-bit EBCDIC B) is used only in Western Countries C) is version II of the ASC Standard D) has 128 characters, including 32 control characters E) None of the above

Discuss

Answer & Solution

Answer: Option D

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

An OR gate has 6 inputs. What is the only input word that produces a 0 output?

A) 0 B) 111 C) 111000 D) 111111 E) None of the above

Discuss

Answer & Solution

Answer: Option A

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

A diagram that illustrates the ore (Logic) of functions in a progran called a

A) Flowchart B) Sequence of steps C) Direction of flow D) All of the above E) None of the above

Discuss

Answer & Solution

Answer: Option A

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

The Gray code for decimal 7 is

A) 111 B) 1011 C) 100 D) 101 E) None of the above

Discuss

Answer & Solution

Answer: Option C

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

The time required for a pulse to decrease from 90 to 10 percent of its maximum value is known as

A) rise time B) decay time C) binary level transition period D) propagation delay E) None of the above

Discuss

Answer & Solution

Answer: Option B

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

Conversion of binary number 101000010111₂ to hexadecimal number is

A) D8F9₁₆ B) A8B9₁₆ C) A17₁₆ D) D9F8₁₆ E) None of the above

Discuss

Answer & Solution

Answer: Option C

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

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

A) NMOS, PMOS B) PMOS, CMOS C) NMOS, CMOS D) MOSFET, PMOS E) None of the above

Discuss

Answer & Solution

Answer: Option C

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

Conversion of an octal number 143₈ to its decimal number is

A) 90₁₀ B) 971₁₀ C) 99₁₀ D) 107₁₀ E) None of the above

Discuss

Answer & Solution

Answer: Option C

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

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Digital Computer Electronics MCQ Questions & Answers | Computer Science